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LazStats: Refactor TestGenUnit. Add item to chm file.
git-svn-id: https://svn.code.sf.net/p/lazarus-ccr/svn@7382 8e941d3f-bd1b-0410-a28a-d453659cc2b4
This commit is contained in:
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@ -18,99 +18,85 @@ object TestGenFrm: TTestGenFrm
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AnchorSideLeft.Side = asrCenter
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AnchorSideTop.Control = Panel1
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AnchorSideTop.Side = asrBottom
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Left = 63
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Height = 70
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Left = 57
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Height = 72
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Top = 151
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Width = 210
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Width = 222
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AutoFill = True
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AutoSize = True
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BorderSpacing.Top = 12
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Caption = 'Generate responses that are:'
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ChildSizing.LeftRightSpacing = 6
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ChildSizing.LeftRightSpacing = 12
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ChildSizing.TopBottomSpacing = 6
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ChildSizing.VerticalSpacing = 2
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ChildSizing.EnlargeHorizontal = crsHomogenousChildResize
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ChildSizing.EnlargeVertical = crsHomogenousChildResize
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ChildSizing.ShrinkHorizontal = crsScaleChilds
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ChildSizing.ShrinkVertical = crsScaleChilds
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ChildSizing.Layout = cclLeftToRightThenTopToBottom
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ChildSizing.ControlsPerLine = 1
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ClientHeight = 50
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ClientWidth = 206
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ClientHeight = 52
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ClientWidth = 218
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Items.Strings = (
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'True / False (dichotomous 0 or 1)'
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'Contnuous'
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'Continuous'
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)
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TabOrder = 1
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end
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object ResetBtn: TButton
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AnchorSideTop.Control = Bevel1
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AnchorSideTop.Side = asrBottom
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AnchorSideRight.Control = CancelBtn
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Left = 31
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AnchorSideRight.Control = ComputeBtn
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Left = 127
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Height = 25
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Top = 237
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Top = 239
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Width = 54
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Anchors = [akTop, akRight]
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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 = 'Reset'
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OnClick = ResetBtnClick
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TabOrder = 2
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end
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object CancelBtn: TButton
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AnchorSideTop.Control = Bevel1
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AnchorSideTop.Side = asrBottom
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AnchorSideRight.Control = ComputeBtn
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Left = 97
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Height = 25
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Top = 237
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Width = 62
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Anchors = [akTop, akRight]
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AutoSize = True
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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 = 'Cancel'
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ModalResult = 2
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TabOrder = 3
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end
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object ComputeBtn: TButton
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AnchorSideTop.Control = Bevel1
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AnchorSideTop.Side = asrBottom
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AnchorSideRight.Control = ReturnBtn
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Left = 171
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AnchorSideRight.Control = CloseBtn
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Left = 189
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Height = 25
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Top = 237
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Top = 239
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Width = 76
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Anchors = [akTop, akRight]
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AutoSize = True
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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 = 4
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TabOrder = 3
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end
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object ReturnBtn: TButton
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object CloseBtn: TButton
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AnchorSideTop.Control = Bevel1
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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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Left = 259
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Left = 273
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Height = 25
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Top = 237
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Width = 61
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Top = 239
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Width = 55
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Anchors = [akTop, akRight]
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AutoSize = True
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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 = 5
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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 Bevel1: TBevel
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AnchorSideLeft.Control = Owner
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@ -120,22 +106,21 @@ object TestGenFrm: TTestGenFrm
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AnchorSideRight.Side = asrBottom
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Left = 0
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Height = 8
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Top = 221
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Top = 223
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Width = 336
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Anchors = [akTop, akLeft, akRight]
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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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AnchorSideLeft.Side = asrCenter
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AnchorSideTop.Control = Owner
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Left = 12
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Left = 16
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Height = 139
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Top = 0
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Width = 312
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AutoSize = True
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BorderSpacing.Left = 12
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BorderSpacing.Right = 12
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BorderSpacing.Left = 16
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BorderSpacing.Right = 16
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BevelOuter = bvNone
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ClientHeight = 139
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ClientWidth = 312
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@ -144,13 +129,13 @@ object TestGenFrm: TTestGenFrm
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AnchorSideTop.Control = NoItemsEdit
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AnchorSideTop.Side = asrCenter
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AnchorSideRight.Control = NoItemsEdit
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Left = 22
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Left = 17
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Height = 15
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Top = 12
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Width = 206
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Width = 211
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Anchors = [akTop, akRight]
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BorderSpacing.Right = 8
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Caption = 'Number of item (Variables) to Generate'
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Caption = 'Number of items (Variables) to Generate'
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ParentColor = False
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end
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object Label2: TLabel
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@ -180,6 +165,7 @@ object TestGenFrm: TTestGenFrm
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ParentColor = False
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end
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object Label4: TLabel
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AnchorSideLeft.Control = Panel1
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AnchorSideTop.Control = SDEdit
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AnchorSideTop.Side = asrCenter
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AnchorSideRight.Control = SDEdit
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@ -187,7 +173,6 @@ object TestGenFrm: TTestGenFrm
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Height = 15
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Top = 93
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Width = 228
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Anchors = [akTop, akRight]
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BorderSpacing.Right = 8
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Caption = 'What is the desired test standard deviation?'
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ParentColor = False
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@ -233,7 +218,7 @@ object TestGenFrm: TTestGenFrm
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BorderSpacing.Top = 4
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OnKeyPress = NoCasesEditKeyPress
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TabOrder = 1
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Text = 'Edit1'
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Text = 'NoCasesEdit'
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end
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object MeanEdit: TEdit
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AnchorSideTop.Control = NoCasesEdit
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@ -249,9 +234,10 @@ object TestGenFrm: TTestGenFrm
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BorderSpacing.Top = 4
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OnKeyPress = MeanEditKeyPress
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TabOrder = 2
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Text = 'Edit1'
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Text = 'MeanEdit'
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end
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object SDEdit: TEdit
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AnchorSideLeft.Control = Label4
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AnchorSideLeft.Side = asrBottom
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AnchorSideTop.Control = MeanEdit
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AnchorSideTop.Side = asrBottom
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@ -262,12 +248,11 @@ object TestGenFrm: TTestGenFrm
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Top = 89
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Width = 76
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Alignment = taRightJustify
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Anchors = [akTop, akRight]
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BorderSpacing.Left = 8
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BorderSpacing.Top = 4
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OnKeyPress = SDEditKeyPress
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TabOrder = 3
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Text = 'Edit1'
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Text = 'SDEdit'
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end
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object RelEdit: TEdit
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AnchorSideTop.Control = SDEdit
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@ -283,7 +268,7 @@ object TestGenFrm: TTestGenFrm
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BorderSpacing.Top = 4
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OnKeyPress = RelEditKeyPress
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TabOrder = 4
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Text = 'Edit1'
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Text = 'RelEdit'
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end
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end
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end
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@ -17,9 +17,8 @@ type
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Bevel1: TBevel;
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Panel1: TPanel;
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ResetBtn: TButton;
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CancelBtn: TButton;
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ComputeBtn: TButton;
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ReturnBtn: TButton;
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CloseBtn: TButton;
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NoItemsEdit: TEdit;
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NoCasesEdit: TEdit;
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MeanEdit: TEdit;
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@ -43,6 +42,7 @@ type
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procedure SDEditKeyPress(Sender: TObject; var Key: char);
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private
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{ private declarations }
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function Validate(out AMsg: String; out AControl: TWinControl): Boolean;
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public
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{ public declarations }
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end;
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@ -76,19 +76,32 @@ begin
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end;
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procedure TTestGenFrm.ComputeBtnClick(Sender: TObject);
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Var
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var
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test_var, true_var, total_item_var, true_item_var : double;
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error_item_var, true_score, reliability, tempmean : double;
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test_stddev, test_mean, X, error_score : double;
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random_mean : DblDyneVec;
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i, k, no_cases, no_items, itemtype, col : integer;
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outline : string;
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msg: String;
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C: TWinControl;
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res: Integer;
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begin
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if ((NoCases > 0) or (NoVariables > 0)) then
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if (NoCases > 0) or (NoVariables > 0) then
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begin
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ShowMessage('You must first close the current file.');
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exit;
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res := MessageDlg('You must first close the current file. Close it now?', mtConfirmation, [mbYes, mbNo], 0);
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case res of
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mrYes: OS3MainFrm.CloseFileBtnClick(nil);
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mrNo: exit;
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end;
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end;
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if not Validate(msg, C) then
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begin
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C.SetFocus;
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MessageDlg(msg, mtError, [mbOk], 0);
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exit;
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end;
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itemtype := Options.ItemIndex; // 0 = T-F, 1 = continuous
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@ -99,8 +112,7 @@ begin
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no_items := StrToInt(NoItemsEdit.Text);
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no_cases := StrToInt(NoCasesEdit.Text);
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test_mean := StrToFloat(MeanEdit.Text);
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total_item_var := (test_var / no_items) * (1.0 -
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((no_items - 1) / no_items) * reliability);
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total_item_var := (test_var / no_items) * (1.0 - ((no_items - 1) / no_items) * reliability);
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true_item_var := total_item_var * reliability;
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error_item_var := total_item_var - true_item_var;
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tempmean := test_mean / no_items;
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@ -119,7 +131,17 @@ begin
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outline := format('Item%d',[i]);
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DictionaryFrm.DictGrid.RowCount := i;
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DictionaryFrm.NewVar(col);
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DictionaryFrm.DictGrid.Cells[1,col] := outline;
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DictionaryFrm.DictGrid.Cells[1, i] := outline;
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if itemtype = 0 then
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begin
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DictionaryFrm.DictGrid.Cells[4, i] := 'I';
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DictionaryFrm.DictGrid.Cells[5, i] := '0';
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end else
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begin
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DictionaryFrm.DictGrid.Cells[4, i] := 'F';
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DictionaryFrm.DictGrid.Cells[5, i] := '4';
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end;
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Dictionaryfrm.DictGrid.Cells[7, i] := 'R';
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OS3MainFrm.DataGrid.Cells[col,0] := outline;
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end;
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for i := 1 to no_cases do
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@ -133,7 +155,7 @@ begin
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end;
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for k := 1 to no_cases do
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begin
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true_score := RandG(0.0,sqrt(true_var));
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true_score := RandG(0.0, sqrt(true_var));
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true_score := true_score / no_items;
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for i := 1 to no_items do
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begin
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@ -144,8 +166,10 @@ begin
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if (X >= random_mean[i-1]) then X := 1.0
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else X := 0.0;
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end;
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if (itemtype = 0) then outline := format('%2.0f',[X])
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else outline := format('%6.4f',[X]);
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if (itemtype = 0) then
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outline := format('%.0f',[X])
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else
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outline := format('%.4f',[X]);
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OS3MainFrm.DataGrid.Cells[i,k] := outline;
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end; // end item loop
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end; // end case loop
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@ -158,7 +182,8 @@ begin
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OS3MainFrm.DataGrid.Col := 1;
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OS3MainFrm.RowEdit.Text := IntToStr(no_cases);
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OS3MainFrm.ColEdit.Text := IntToStr(no_items);
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OS3MainFrm.FileNameEdit.Text := 'GenTest.LAZ';
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OS3MainFrm.FileNameEdit.Text := 'GenTest.laz';
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// clean up the heap
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random_mean := nil;
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end;
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@ -167,11 +192,10 @@ procedure TTestGenFrm.FormActivate(Sender: TObject);
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var
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w: Integer;
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begin
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w := MaxValue([ResetBtn.Width, CancelBtn.Width, ComputeBtn.Width, ReturnBtn.Width]);
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w := MaxValue([ResetBtn.Width, ComputeBtn.Width, CloseBtn.Width]);
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ResetBtn.Constraints.MinWidth := w;
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CancelBtn.Constraints.MinWidth := w;
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ComputeBtn.Constraints.MinWidth := w;
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ReturnBtn.Constraints.MinWidth := w;
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CloseBtn.Constraints.MinWidth := w;
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Constraints.MaxHeight := Height;
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Constraints.MinHeight := Height;
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@ -204,6 +228,81 @@ begin
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if Ord(Key) = 13 then ComputeBtn.SetFocus;
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end;
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function TTestGenFrm.Validate(out AMsg: String; out AControl: TWinControl): Boolean;
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var
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n: Integer;
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x: Double;
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begin
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Result := false;
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if NoItemsEdit.Text = '' then
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begin
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AControl := NoItemsEdit;
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AMsg := 'Number of items not specified.';
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exit;
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end;
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if not (TryStrToInt(NoItemsEdit.Text, n) and (n > 0)) then
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begin
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AControl := NoItemsEdit;
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AMsg := 'Illegal value given for Number of items.';
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exit;
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end;
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if NoCasesEdit.Text = '' then
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begin
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AControl := NoCasesEdit;
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AMsg := 'Number of subjects not specified.';
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exit;
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end;
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if not (TryStrToInt(NoCasesEdit.Text, n) and (n > 0)) then
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begin
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AControl := NoCasesEdit;
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AMsg := 'Illegal value given for Number of subjects.';
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exit;
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end;
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if MeanEdit.Text = '' then
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begin
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AControl := MeanEdit;
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AMsg := 'Mean not specified.';
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exit;
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end;
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if not TryStrToFloat(MeanEdit.Text, x) then
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begin
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AControl := MeanEdit;
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AMsg := 'Numeric input expected for mean.';
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exit;
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end;
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if SDEdit.Text = '' then
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begin
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AControl := SDEdit;
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AMsg := 'Standard deviation not specified.';
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exit;
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end;
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if not (TryStrToFloat(SDEdit.Text, x) and (x > 0)) then
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begin
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AControl := SDEdit;
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AMsg := 'Numeric input expected for standrad deviation.';
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exit;
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end;
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if RelEdit.Text = '' then
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begin
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AControl := RelEdit;
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AMsg := 'Test reliability not specified.';
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exit;
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end;
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if not TryStrToFloat(RelEdit.Text, x) then
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begin
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AControl := RelEdit;
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AMsg := 'Numeric input expected for test reliability.';
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exit;
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end;
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Result := true;
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end;
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initialization
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{$I testgenunit.lrs}
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Reference in New Issue
Block a user