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LazStats: Refactor BartlettTestUnit
git-svn-id: https://svn.code.sf.net/p/lazarus-ccr/svn@7373 8e941d3f-bd1b-0410-a28a-d453659cc2b4
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@ -1,11 +1,11 @@
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object BartlettTestForm: TBartlettTestForm
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Left = 474
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Height = 374
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Height = 394
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Top = 304
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Width = 411
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AutoSize = True
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Caption = 'Bartlett Test of Sphericity'
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ClientHeight = 374
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ClientHeight = 394
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ClientWidth = 411
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OnActivate = FormActivate
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OnCreate = FormCreate
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@ -13,123 +13,78 @@ object BartlettTestForm: TBartlettTestForm
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Position = poMainFormCenter
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LCLVersion = '2.1.0.0'
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object ResetBtn: TButton
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AnchorSideRight.Control = CancelBtn
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AnchorSideBottom.Control = Owner
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AnchorSideBottom.Side = asrBottom
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Left = 106
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Height = 25
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Top = 341
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Width = 54
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Anchors = [akRight, akBottom]
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AutoSize = True
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BorderSpacing.Left = 12
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BorderSpacing.Top = 8
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BorderSpacing.Right = 12
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BorderSpacing.Bottom = 8
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Caption = 'Reset'
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OnClick = ResetBtnClick
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TabOrder = 3
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end
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object CancelBtn: TButton
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AnchorSideRight.Control = ComputeBtn
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AnchorSideBottom.Control = Owner
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AnchorSideBottom.Side = asrBottom
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Left = 172
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Left = 202
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Height = 25
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Top = 341
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Width = 62
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Top = 361
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Width = 54
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Anchors = [akRight, akBottom]
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AutoSize = True
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BorderSpacing.Left = 12
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BorderSpacing.Left = 8
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BorderSpacing.Top = 8
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BorderSpacing.Right = 12
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BorderSpacing.Right = 8
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BorderSpacing.Bottom = 8
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Cancel = True
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Caption = 'Cancel'
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ModalResult = 2
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TabOrder = 4
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Caption = 'Reset'
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OnClick = ResetBtnClick
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TabOrder = 2
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end
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object ComputeBtn: TButton
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AnchorSideRight.Control = ReturnBtn
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AnchorSideRight.Control = CloseBtn
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AnchorSideBottom.Control = Owner
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AnchorSideBottom.Side = asrBottom
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Left = 246
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Left = 264
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Height = 25
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Top = 341
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Top = 361
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Width = 76
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Anchors = [akRight, akBottom]
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AutoSize = True
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BorderSpacing.Left = 12
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BorderSpacing.Left = 8
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BorderSpacing.Top = 8
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BorderSpacing.Right = 12
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BorderSpacing.Right = 8
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BorderSpacing.Bottom = 8
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Caption = 'Compute'
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OnClick = ComputeBtnClick
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TabOrder = 5
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TabOrder = 3
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end
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object HelpBtn: TButton
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Tag = 119
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AnchorSideRight.Control = ResetBtn
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AnchorSideBottom.Control = Owner
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AnchorSideBottom.Side = asrBottom
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Left = 43
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Left = 143
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Height = 25
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Top = 341
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Top = 361
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Width = 51
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Anchors = [akRight, akBottom]
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AutoSize = True
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BorderSpacing.Left = 16
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BorderSpacing.Left = 8
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BorderSpacing.Top = 8
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BorderSpacing.Right = 12
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BorderSpacing.Right = 8
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BorderSpacing.Bottom = 8
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Caption = 'Help'
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OnClick = HelpBtnClick
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TabOrder = 2
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TabOrder = 1
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end
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object Label5: TLabel
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AnchorSideLeft.Control = Owner
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AnchorSideTop.Control = DFEdit
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AnchorSideTop.Side = asrCenter
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Left = 8
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Height = 15
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Top = 65
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Width = 88
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BorderSpacing.Left = 8
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Caption = 'Deg. Freedom = '
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ParentColor = False
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end
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object DFEdit: TEdit
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AnchorSideLeft.Control = Label5
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AnchorSideLeft.Side = asrBottom
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AnchorSideTop.Control = Memo1
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AnchorSideTop.Side = asrBottom
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Left = 104
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Height = 23
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Top = 61
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Width = 40
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BorderSpacing.Left = 8
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BorderSpacing.Top = 8
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TabOrder = 0
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Text = 'DFEdit'
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end
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object ReturnBtn: TButton
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object CloseBtn: TButton
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AnchorSideRight.Control = Owner
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AnchorSideRight.Side = asrBottom
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AnchorSideBottom.Control = Owner
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AnchorSideBottom.Side = asrBottom
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Left = 334
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Left = 348
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Height = 25
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Top = 341
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Width = 61
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Top = 361
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Width = 55
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Anchors = [akRight, akBottom]
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AutoSize = True
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BorderSpacing.Left = 12
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BorderSpacing.Left = 8
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BorderSpacing.Top = 8
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BorderSpacing.Right = 16
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BorderSpacing.Right = 8
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BorderSpacing.Bottom = 8
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Caption = 'Return'
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ModalResult = 1
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TabOrder = 6
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Caption = 'Close'
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ModalResult = 11
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TabOrder = 4
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end
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object Memo1: TLabel
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AnchorSideLeft.Control = Owner
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@ -152,32 +107,32 @@ object BartlettTestForm: TBartlettTestForm
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AnchorSideLeft.Control = Owner
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AnchorSideRight.Control = Owner
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AnchorSideRight.Side = asrBottom
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AnchorSideBottom.Control = ReturnBtn
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AnchorSideBottom.Control = CloseBtn
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Left = 0
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Height = 8
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Top = 325
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Top = 345
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Width = 411
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Anchors = [akLeft, akRight, akBottom]
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Shape = bsBottomLine
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end
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object Panel1: TPanel
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AnchorSideLeft.Control = Owner
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AnchorSideTop.Control = DFEdit
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AnchorSideTop.Control = Memo1
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AnchorSideTop.Side = asrBottom
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AnchorSideRight.Control = Owner
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AnchorSideRight.Side = asrBottom
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AnchorSideBottom.Control = Bevel1
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Left = 0
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Height = 241
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Top = 84
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Height = 292
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Top = 53
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Width = 411
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Anchors = [akTop, akLeft, akRight, akBottom]
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AutoSize = True
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BevelOuter = bvNone
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ClientHeight = 241
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ClientHeight = 292
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ClientWidth = 411
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Constraints.MinHeight = 240
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TabOrder = 1
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TabOrder = 0
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object Label2: TLabel
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AnchorSideTop.Control = Panel1
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Left = 8
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@ -195,7 +150,7 @@ object BartlettTestForm: TBartlettTestForm
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AnchorSideRight.Control = AllBtn
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AnchorSideBottom.Control = ChiSqrEdit
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Left = 8
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Height = 185
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Height = 198
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Top = 25
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Width = 166
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Anchors = [akTop, akLeft, akRight, akBottom]
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@ -205,6 +160,7 @@ object BartlettTestForm: TBartlettTestForm
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BorderSpacing.Bottom = 8
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ItemHeight = 0
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MultiSelect = True
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OnSelectionChange = VarListSelectionChange
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TabOrder = 0
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end
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object Label3: TLabel
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@ -224,17 +180,19 @@ object BartlettTestForm: TBartlettTestForm
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AnchorSideTop.Side = asrBottom
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AnchorSideRight.Control = Panel1
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AnchorSideRight.Side = asrBottom
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AnchorSideBottom.Control = ProbEdit
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AnchorSideBottom.Control = VarList
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AnchorSideBottom.Side = asrBottom
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Left = 236
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Height = 185
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Height = 198
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Top = 25
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Width = 167
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Anchors = [akTop, akLeft, akRight, akBottom]
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BorderSpacing.Left = 8
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BorderSpacing.Top = 2
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BorderSpacing.Right = 8
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BorderSpacing.Bottom = 8
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ItemHeight = 0
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MultiSelect = True
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OnSelectionChange = VarListSelectionChange
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TabOrder = 4
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end
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object InBtn: TBitBtn
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@ -287,26 +245,28 @@ object BartlettTestForm: TBartlettTestForm
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AnchorSideTop.Control = ChiSqrEdit
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AnchorSideTop.Side = asrCenter
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AnchorSideRight.Control = ChiSqrEdit
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Left = 19
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Left = 33
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Height = 15
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Top = 222
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Width = 67
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Top = 235
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Width = 60
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Anchors = [akTop, akRight]
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BorderSpacing.Right = 8
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Caption = 'Chisquare = '
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Caption = 'Chi Square:'
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ParentColor = False
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end
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object ChiSqrEdit: TEdit
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AnchorSideLeft.Control = DFEdit
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AnchorSideRight.Control = VarList
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AnchorSideRight.Side = asrBottom
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AnchorSideBottom.Control = Panel1
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AnchorSideBottom.Side = asrBottom
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Left = 94
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Left = 101
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Height = 23
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Top = 218
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Width = 80
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Top = 231
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Width = 73
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Alignment = taRightJustify
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Anchors = [akRight, akBottom]
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Anchors = [akLeft, akRight]
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ReadOnly = True
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TabOrder = 5
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Text = 'ChiSqrEdit'
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end
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@ -314,27 +274,62 @@ object BartlettTestForm: TBartlettTestForm
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AnchorSideTop.Control = ProbEdit
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AnchorSideTop.Side = asrCenter
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AnchorSideRight.Control = ProbEdit
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Left = 252
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Left = 255
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Height = 15
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Top = 222
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Width = 71
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Top = 235
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Width = 60
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Anchors = [akTop, akRight]
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Caption = 'Probability = '
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BorderSpacing.Right = 8
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Caption = 'Probability:'
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ParentColor = False
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end
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object ProbEdit: TEdit
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AnchorSideTop.Control = ChiSqrEdit
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AnchorSideRight.Control = SelList
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AnchorSideRight.Side = asrBottom
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AnchorSideBottom.Control = Panel1
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AnchorSideBottom.Side = asrBottom
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Left = 323
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Height = 23
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Top = 218
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Top = 231
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Width = 80
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Alignment = taRightJustify
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Anchors = [akRight, akBottom]
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Anchors = [akTop, akRight]
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ReadOnly = True
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TabOrder = 6
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Text = 'ProbEdit'
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end
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object Label5: TLabel
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AnchorSideLeft.Control = VarList
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AnchorSideTop.Control = DFEdit
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AnchorSideTop.Side = asrCenter
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AnchorSideRight.Control = DFEdit
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Left = 16
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Height = 15
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Top = 266
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Width = 77
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Alignment = taRightJustify
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BorderSpacing.Left = 8
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Caption = 'Deg. Freedom:'
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ParentColor = False
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end
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object DFEdit: TEdit
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AnchorSideLeft.Control = Label5
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AnchorSideLeft.Side = asrBottom
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AnchorSideTop.Control = ChiSqrEdit
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AnchorSideTop.Side = asrBottom
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AnchorSideRight.Control = ChiSqrEdit
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AnchorSideRight.Side = asrBottom
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Left = 101
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Height = 23
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Top = 262
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Width = 73
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Alignment = taRightJustify
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Anchors = [akTop, akLeft, akRight]
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BorderSpacing.Left = 8
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BorderSpacing.Top = 8
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ReadOnly = True
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TabOrder = 7
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Text = 'DFEdit'
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end
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end
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end
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@ -19,8 +19,7 @@ type
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Bevel1: TBevel;
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Memo1: TLabel;
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Panel1: TPanel;
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ReturnBtn: TButton;
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CancelBtn: TButton;
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CloseBtn: TButton;
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ChiSqrEdit: TEdit;
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DFEdit: TEdit;
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Label5: TLabel;
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@ -44,9 +43,11 @@ type
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procedure InBtnClick(Sender: TObject);
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procedure OutBtnClick(Sender: TObject);
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procedure ResetBtnClick(Sender: TObject);
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procedure VarListSelectionChange(Sender: TObject; User: boolean);
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private
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{ private declarations }
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FAutoSized: Boolean;
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procedure UpdateBtnStates;
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public
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{ public declarations }
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end;
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@ -57,78 +58,75 @@ var
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implementation
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uses
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Math;
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Math, Utils;
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{ TBartlettTestForm }
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procedure TBartlettTestForm.ResetBtnClick(Sender: TObject);
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VAR i :integer;
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var
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i: integer;
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begin
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ChiSqrEdit.Text := '';
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ProbEdit.Text := '';
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DFEdit.Text := '';
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InBtn.Enabled := true;
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OutBtn.Enabled := false;
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VarList.Clear;
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SelList.Clear;
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for i := 1 to NoVariables do
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VarList.Items.Add(OS3MainFrm.DataGrid.Cells[i,0]);
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UpdateBtnStates;
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end;
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procedure TBartlettTestForm.InBtnClick(Sender: TObject);
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VAR i, index : integer;
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var
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i: integer;
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begin
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index := VarList.Items.Count;
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i := 0;
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while i < index do
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while i < VarList.Items.Count do
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begin
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if (VarList.Selected[i]) then
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if VarList.Selected[i] then
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begin
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SelList.Items.Add(VarList.Items.Strings[i]);
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SelList.Items.Add(VarList.Items[i]);
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VarList.Items.Delete(i);
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index := index - 1;
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i := 0;
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end
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else i := i + 1;
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end else
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inc(i);
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end;
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OutBtn.Enabled := true;
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UpdateBtnStates;
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end;
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procedure TBartlettTestForm.AllBtnClick(Sender: TObject);
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VAR i : integer;
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var
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i: integer;
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begin
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for i := 0 to VarList.Items.Count-1 do
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SelList.Items.Add(VarList.Items.Strings[i]);
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SelList.Items.Add(VarList.Items[i]);
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VarList.Clear;
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OutBtn.Enabled := true;
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InBtn.Enabled := false;
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UpdateBtnStates;
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end;
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procedure TBartlettTestForm.ComputeBtnClick(Sender: TObject);
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VAR
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matrix, temp, eigenvectors : DblDyneMat;
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eigenvalues, means, variances, stddevs : DblDyneVec;
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determinant, chisquare, probability, natlogp : double;
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i, j, df, p, ncases, colno : integer;
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aline, strvalue, ytitle, title, probvalue, chivalue : string;
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ColNoSelected : IntDyneVec;
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dblvalue : double;
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DataGrid : DblDyneMat;
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RowLabels, ColLabels : StrDyneVec;
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errorcode : boolean;
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matrix: DblDyneMat;
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means, variances, stddevs: DblDyneVec;
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determinant, chisquare, probability: double;
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i, j, df, p, ncases, colno: integer;
|
||||
aline, strvalue, title, probvalue, chivalue: string;
|
||||
ColNoSelected: IntDyneVec;
|
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dblvalue: double;
|
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DataGrid: DblDyneMat;
|
||||
RowLabels, ColLabels: StrDyneVec;
|
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errorcode: boolean;
|
||||
lReport: TStrings;
|
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begin
|
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p := SelList.Count;
|
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SetLength(matrix,p+1,p+1);
|
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SetLength(temp,p+1,p+1);
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||||
SetLength(eigenvectors,p,p);
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SetLength(eigenvalues,p);
|
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SetLength(means,p+1);
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SetLength(stddevs,p+1);
|
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SetLength(variances,p+1);
|
||||
SetLength(ColNoSelected,p+1);
|
||||
SetLength(DataGrid,NoCases,p+1);
|
||||
SetLength(RowLabels,p+1);
|
||||
SetLength(ColLabels,p+1);
|
||||
SetLength(matrix, p+1, p+1);
|
||||
SetLength(means, p+1);
|
||||
SetLength(stddevs, p+1);
|
||||
SetLength(variances, p+1);
|
||||
SetLength(ColNoSelected, p+1);
|
||||
SetLength(DataGrid, NoCases, p+1);
|
||||
SetLength(RowLabels, p+1);
|
||||
SetLength(ColLabels, p+1);
|
||||
|
||||
for j := 0 to p-1 do
|
||||
begin
|
||||
@ -142,8 +140,8 @@ begin
|
||||
end;
|
||||
end;
|
||||
end;
|
||||
|
||||
ncases := 0;
|
||||
ytitle := 'Variable';
|
||||
errorcode := false;
|
||||
|
||||
// get data into the datagrid
|
||||
@ -151,35 +149,44 @@ begin
|
||||
begin
|
||||
for i := 1 to NoCases do
|
||||
begin
|
||||
if not GoodRecord(i,p,ColNoSelected) then continue;
|
||||
if not GoodRecord(i, p, ColNoSelected) then continue;
|
||||
colno := ColNoSelected[j];
|
||||
dblvalue := StrToFloat(OS3MainFrm.DataGrid.Cells[colno,i]);
|
||||
dblvalue := StrToFloat(OS3MainFrm.DataGrid.Cells[colno, i]);
|
||||
DataGrid[i-1,j] := dblvalue;
|
||||
ncases := ncases + 1;
|
||||
end;
|
||||
end;
|
||||
OutputFrm.RichEdit.Clear;
|
||||
|
||||
lReport := TStringList.Create;
|
||||
try
|
||||
ncases := 0;
|
||||
Correlations(p,ColNoSelected,matrix,means,variances,stddevs,errorcode,ncases);
|
||||
Correlations(p, ColNoSelected, matrix, means, variances, stddevs, errorcode, ncases);
|
||||
|
||||
title := 'CORRELATION MATRIX';
|
||||
MAT_PRINT(matrix,p,p,title,RowLabels,ColLabels,ncases);
|
||||
OutputFrm.RichEdit.Lines.Add('');
|
||||
DETERM(matrix,p,p,determinant,errorcode);
|
||||
strvalue := format('Determinant of matrix = %8.3f',[determinant]);
|
||||
OutputFrm.RichEdit.Lines.Add(strvalue);
|
||||
OutputFrm.RichEdit.Lines.Add('');
|
||||
natlogp := ln(1.0 / p);
|
||||
MatPrint(matrix, p, p, title, RowLabels, ColLabels, ncases, lReport);
|
||||
lReport.Add('');
|
||||
|
||||
Determ(matrix, p, p, determinant, errorcode);
|
||||
lReport.Add('Determinant of matrix: %8.3f', [determinant]);
|
||||
lReport.Add('');
|
||||
|
||||
chisquare := -((ncases-1) - (2.0*p-5)/6) * ln(determinant);
|
||||
df := ((p * p) - p) div 2;
|
||||
probability := chisquaredprob(chisquare,df);
|
||||
chivalue := format('%8.3f',[chisquare]);
|
||||
probvalue := format('%8.3f',[1.0-probability]);
|
||||
chisqrEdit.Text := chivalue;
|
||||
ProbEdit.Text := probvalue;
|
||||
|
||||
//chivalue := format('%8.3f',[chisquare]);
|
||||
ChiSqrEdit.Text := Format('%.3f', [chisquare]);;
|
||||
ProbEdit.Text := Format('%.3f', [1.0-probability]);
|
||||
DFEdit.Text := IntToStr(df);
|
||||
aline := format('chisquare = %s, D.F. = %D, Proabability greater value = %s',
|
||||
[chivalue,df,probvalue]);
|
||||
OutputFrm.RichEdit.Lines.Add(aline);
|
||||
|
||||
lReport.Add('ChiSquare: %8.3f', [chisquare]);
|
||||
lReport.Add('Degrees of Freedom: %8d', [df]);
|
||||
lReport.Add('Probability > value: %8.3f', [1.0 - probability]);
|
||||
|
||||
DisplayReport(lReport);
|
||||
|
||||
finally
|
||||
lReport.Free;
|
||||
ColLabels := nil;
|
||||
RowLabels := nil;
|
||||
DataGrid := nil;
|
||||
@ -187,11 +194,8 @@ begin
|
||||
variances := nil;
|
||||
stddevs := nil;
|
||||
means := nil;
|
||||
eigenvalues := nil;
|
||||
eigenvectors := nil;
|
||||
temp := nil;
|
||||
matrix := nil;
|
||||
OutputFrm.ShowModal;
|
||||
end;
|
||||
end;
|
||||
|
||||
procedure TBartlettTestForm.FormActivate(Sender: TObject);
|
||||
@ -201,12 +205,12 @@ begin
|
||||
if FAutoSized then
|
||||
exit;
|
||||
|
||||
w := MaxValue([HelpBtn.Width, ResetBtn.Width, CancelBtn.Width, ComputeBtn.Width, ReturnBtn.Width]);
|
||||
w := MaxValue([HelpBtn.Width, ResetBtn.Width, ComputeBtn.Width, CloseBtn.Width]);
|
||||
HelpBtn.Constraints.MinWidth := w;
|
||||
ResetBtn.Constraints.MinWidth := w;
|
||||
CancelBtn.Constraints.MinWidth := w;
|
||||
ComputeBtn.Constraints.MinWidth := w;
|
||||
ReturnBtn.Constraints.MinWidth := w;
|
||||
CloseBtn.Constraints.MinWidth := w;
|
||||
|
||||
Constraints.MinHeight := Height;
|
||||
Constraints.MinWidth := Width;
|
||||
|
||||
@ -216,8 +220,6 @@ end;
|
||||
procedure TBartlettTestForm.FormCreate(Sender: TObject);
|
||||
begin
|
||||
Assert(OS3MainFrm <> nil);
|
||||
if OutputFrm = nil then
|
||||
Application.CreateForm(TOutputFrm, OutputFrm);
|
||||
end;
|
||||
|
||||
procedure TBartlettTestForm.HelpBtnClick(Sender: TObject);
|
||||
@ -228,16 +230,37 @@ begin
|
||||
end;
|
||||
|
||||
procedure TBartlettTestForm.OutBtnClick(Sender: TObject);
|
||||
VAR index : integer;
|
||||
var
|
||||
i: integer;
|
||||
begin
|
||||
index := SelList.ItemIndex;
|
||||
VarList.Items.Add(SelList.Items.Strings[index]);
|
||||
SelList.Items.Delete(index);
|
||||
InBtn.Enabled := true;
|
||||
if SelList.Items.Count = 0 then OutBtn.Enabled := false;
|
||||
|
||||
i := 0;
|
||||
while i < SelList.Items.Count do
|
||||
begin
|
||||
if SelList.Selected[i] then
|
||||
begin
|
||||
VarList.Items.Add(SelList.Items[i]);
|
||||
SelList.Items.Delete(i);
|
||||
i := 0;
|
||||
end else
|
||||
i := i + 1;
|
||||
end;
|
||||
UpdateBtnStates;
|
||||
end;
|
||||
|
||||
procedure TBartlettTestForm.UpdateBtnStates;
|
||||
begin
|
||||
InBtn.Enabled := AnySelected(VarList);
|
||||
OutBtn.Enabled := AnySelected(SelList);
|
||||
AllBtn.Enabled := VarList.Items.Count > 0;
|
||||
end;
|
||||
|
||||
procedure TBartlettTestForm.VarListSelectionChange(Sender: TObject;
|
||||
User: boolean);
|
||||
begin
|
||||
UpdateBtnStates;
|
||||
end;
|
||||
|
||||
|
||||
initialization
|
||||
{$I bartletttestunit.lrs}
|
||||
|
||||
|
||||
Reference in New Issue
Block a user