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LazStats: Finetuning of the multiple regression forms. Update their chm pages.

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git-svn-id: https://svn.code.sf.net/p/lazarus-ccr/svn@8031 8e941d3f-bd1b-0410-a28a-d453659cc2b4
This commit is contained in:
wp_xxyyzz
2021-05-13 21:12:42 +00:00
parent d7d399bf5d
commit 1a7f560057
22 changed files with 205 additions and 164 deletions
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BIN
applications/lazstats/LazStats.chm
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applications/lazstats/docs/HelpNDoc/LazStats.hnd
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2
applications/lazstats/source/forms/analysis/multiple_regression/backregunit.lfm
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@ -31,6 +31,8 @@ inherited BackRegForm: TBackRegForm
inherited HelpBtn: TButton
Left = 172
Top = 357
HelpType = htKeyword
HelpKeyword = 'html/BackwardStepwise.htm'
TabOrder = 9
end
inherited ButtonBevel: TBevel

13
applications/lazstats/source/forms/analysis/multiple_regression/backregunit.pas
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@ -69,7 +69,7 @@ implementation
uses
Math,
Utils;
Utils, GridProcs;
{ TBackRegForm }
@ -214,7 +214,8 @@ begin
if StepNo > 1 then
lReport.Add('');
lReport.Add('');
lReport.Add('----------------- STEP %3d ------------------', [StepNo]);
lReport.Add('----------------- STEP %d ------------------', [StepNo]);
lReport.Add('');
if CPChkBox.Checked then
begin
title := 'Cross-Products Matrix';
@ -277,7 +278,7 @@ begin
MessageDlg('Matrix is singular!', mtError,[mbOK], 0);
// goto cleanup;
end;
lReport.Add('Determinant of correlation matrix = %8.4f', [determinant]);
lReport.Add('Determinant of correlation matrix: %.4f', [determinant]);
lReport.Add('');
NoIndepVars := NoVars-1;
@ -406,16 +407,12 @@ begin
end;
procedure TBackRegForm.Reset;
var
i: integer;
begin
inherited;
DepVarEdit.Clear;
VarList.Clear;
SelList.Clear;
for i := 1 to NoVariables do
VarList.Items.Add(OS3MainFrm.DataGrid.Cells[i,0]);
CollectVariableNames(OS3MainFrm.DataGrid, VarList.Items);
CPChkBox.Checked := false;
CovChkBox.Checked := false;

2
applications/lazstats/source/forms/analysis/multiple_regression/bestregunit.lfm
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@ -28,6 +28,8 @@ inherited BestRegForm: TBestRegForm
inherited HelpBtn: TButton
Left = 207
Top = 392
HelpType = htKeyword
HelpKeyword = 'html/BestCombinationMultipleRegressio.htm'
end
inherited ButtonBevel: TBevel
Top = 376

8
applications/lazstats/source/forms/analysis/multiple_regression/bestregunit.pas
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@ -131,7 +131,7 @@ implementation
uses
Math,
Utils, MathUnit;
Utils, MathUnit, GridProcs;
{ TBestRegForm }
@ -736,16 +736,12 @@ end;
procedure TBestRegForm.Reset;
var
i: integer;
begin
inherited;
DepVarEdit.Clear;
BlockList.Clear;
VarList.Clear;
for i := 1 to NoVariables do
VarList.Items.Add(OS3MainFrm.DataGrid.Cells[i,0]);
CollectVariableNames(OS3MainFrm.DataGrid, VarList.Items);
CPChkBox.Checked := false;
CovChkBox.Checked := false;

3
applications/lazstats/source/forms/analysis/multiple_regression/blkmregunit.lfm
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@ -8,6 +8,7 @@ inherited BlkMregForm: TBlkMregForm
Caption = 'Block Entry Multiple Regression'
ClientHeight = 415
ClientWidth = 962
OnCreate = FormCreate
inherited ParamsPanel: TPanel
Height = 399
Width = 442
@ -31,6 +32,8 @@ inherited BlkMregForm: TBlkMregForm
inherited HelpBtn: TButton
Left = 182
Top = 374
HelpType = htKeyword
HelpKeyword = 'html/BlockEntryMultipleRegression.htm'
TabOrder = 12
end
inherited ButtonBevel: TBevel

50
applications/lazstats/source/forms/analysis/multiple_regression/blkmregunit.pas
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@ -49,6 +49,7 @@ type
procedure BlockListDblClick(Sender: TObject);
procedure DepInBtnClick(Sender: TObject);
procedure DepOutBtnClick(Sender: TObject);
procedure FormCreate(Sender: TObject);
procedure InBtnClick(Sender: TObject);
procedure NextBlkBtnClick(Sender: TObject);
procedure OutBtnClick(Sender: TObject);
@ -81,7 +82,7 @@ implementation
uses
Math,
Utils, MathUnit;
Utils, MathUnit, GridProcs;
{ TBlkMregForm }
@ -136,24 +137,24 @@ end;
procedure TBlkMregForm.Compute;
var
i, j, k, errorcode: integer;
NoIndepVars, DepVarCol, NEntered, StepNo : integer;
NoIndepVars, DepVarCol, NEntered, StepNo: integer;
R2, df1, df2: double;
StdErrEst, F, FProbF, OldR2 : double;
pdf1, probin, prout : double;
BetaWeights : DblDyneVec = nil;
corrs : DblDyneMat = nil;
Means : DblDyneVec = nil;
Variances : DblDyneVec = nil;
StdDevs : DblDyneVec = nil;
title : string;
IndRowLabels : StrDyneVec = nil;
IndColLabels : StrDyneVec = nil;
IndepInverse : DblDyneMat = nil;
IndepIndex : IntDyneVec = nil;
Candidate : IntDyneVec = nil;
filename : string;
ColEntered : IntDyneVec = nil;
constant : double;
StdErrEst, F, FProbF, OldR2: double;
pdf1, probin, prout: double;
BetaWeights: DblDyneVec = nil;
corrs: DblDyneMat = nil;
Means: DblDyneVec = nil;
Variances: DblDyneVec = nil;
StdDevs: DblDyneVec = nil;
IndRowLabels: StrDyneVec = nil;
IndColLabels: StrDyneVec = nil;
IndepInverse: DblDyneMat = nil;
IndepIndex: IntDyneVec = nil;
Candidate: IntDyneVec = nil;
ColEntered: IntDyneVec = nil;
title: string;
filename: string;
constant: double;
errcode: boolean = false;
NCases: Integer = 0;
lReport: TStrings;
@ -437,6 +438,12 @@ begin
end;
procedure TBlkMregForm.FormCreate(Sender: TObject);
begin
InProb.Text := FormatFloat('0.00', DEFAULT_ALPHA_LEVEL);
end;
procedure TBlkMregForm.InBtnClick(Sender: TObject);
var
i: integer;
@ -511,17 +518,13 @@ end;
procedure TBlkMregForm.Reset;
var
i: integer;
begin
inherited;
BlockList.Items.Clear;
VarList.Items.Clear;
BlockNoEdit.Text := '1';
NoBlocks := 1;
for i := 1 to NoVariables do
VarList.Items.Add(OS3MainFrm.DataGrid.Cells[i,0]);
CollectVariableNames(OS3MainFrm.DataGrid, VarList.Items);
CPChkBox.Checked := false;
CovChkBox.Checked := false;
@ -534,7 +537,6 @@ begin
NoVars := 0;
DepVarEdit.Text := '';
InProb.Text := FormatFloat('0.00', DEFAULT_ALPHA_LEVEL);
SetLength(BlkVarCols, NoVariables, NoVariables);
SetLength(VarsInBlk, NoVariables);

3
applications/lazstats/source/forms/analysis/multiple_regression/coxregunit.lfm
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@ -8,6 +8,7 @@ inherited CoxRegForm: TCoxRegForm
Caption = 'Cox Proportional Hazards Survival Regression'
ClientHeight = 393
ClientWidth = 480
OnCreate = FormCreate
inherited ParamsPanel: TPanel
Height = 377
ClientHeight = 377
@ -22,6 +23,8 @@ inherited CoxRegForm: TCoxRegForm
end
inherited HelpBtn: TButton
Top = 352
HelpType = htKeyword
HelpKeyword = 'html/CoxProportionalHazardsSurvivalRe.htm'
end
inherited ButtonBevel: TBevel
Top = 336

107
applications/lazstats/source/forms/analysis/multiple_regression/coxregunit.pas
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@ -38,13 +38,14 @@ type
procedure BlockListDblClick(Sender: TObject);
procedure DepInBtnClick(Sender: TObject);
procedure DepOutBtnClick(Sender: TObject);
procedure FormCreate(Sender: TObject);
procedure InBtnClick(Sender: TObject);
procedure OutBtnClick(Sender: TObject);
procedure StatusInBtnClick(Sender: TObject);
procedure StatusOutBtnClick(Sender: TObject);
function ChiSq(x : double; n : integer) : double;
function Norm(z : double): double;
function ix(j, k, nCols : integer): integer;
function ChiSq(x: double; n: integer) : double;
function Norm(z: double): double;
function ix(j, k, nCols: integer): integer;
procedure VarListDblClick(Sender: TObject);
procedure VarListSelectionChange(Sender: TObject; {%H-}User: boolean);
@ -55,6 +56,7 @@ type
procedure AdjustConstraints; override;
procedure Compute; override;
procedure UpdateBtnStates; override;
function Validate(out AMsg: String; out AControl: TWinControl): Boolean; override;
public
procedure Reset; override;
@ -69,7 +71,7 @@ implementation
uses
Math,
Utils;
Utils, GridProcs;
{ TCoxRegForm }
@ -161,7 +163,7 @@ var
SE : DblDyneVec = nil;
x : DblDyneVec = nil; // data matrix for independent variables
RowLabels : StrDyneVec = nil;
ColLabels : StrDyneVec;
ColLabels : StrDyneVec = nil;
Lo95 : double;
Hi95 : double;
d : double;
@ -169,19 +171,7 @@ var
lReport: TStrings;
begin
if MaxItsEdit.Text = '' then
begin
MaxItsEdit.Setfocus;
MessageDlg('Maximum iterations not specified.', mtError, [mbOK], 0);
exit;
end;
if not TryStrToInt(MaxItsEdit.Text, iters) then
begin
MaxItsEdit.SetFocus;
MessageDlg('Valid number required.', mtError, [mbOK], 0);
exit;
end;
iters := StrToInt(MaxItsEdit.Text);
{ get independent item columns }
nR := BlockList.Items.Count;
@ -189,11 +179,6 @@ begin
SetLength(ColNoSelected,nR + 2);
SetLength(RowLabels,nR + 2);
SetLength(ColLabels,nR + 2);
if nR < 1 then
begin
MessageDlg('No independent variables selected.', mtError, [mbOK], 0);
exit;
end;
for i := 1 to nR do
begin
@ -210,16 +195,6 @@ begin
end;
{ get survival time variable column and survival status var. column }
if DepVar.Text = '' then
begin
MessageDlg('No Survival time variable selected.', mtError, [mbOK], 0);
exit;
end;
if StatusEdit.Text = '' then
begin
MessageDlg('No Survival Status variable selected.', mtError, [mbOK], 0);
exit;
end;
nP := nR + 1;
nS := nP + 1;
for j := 1 to NoVariables do
@ -521,6 +496,14 @@ begin
end;
procedure TCoxRegForm.FormCreate(Sender: TObject);
begin
MaxItsEdit.Text := '20';
ProbsChk.Checked := true;
DescChk.Checked := true;
end;
procedure TCoxRegForm.InBtnClick(Sender: TObject);
var
i: integer;
@ -540,7 +523,7 @@ begin
end;
function TCoxRegForm.ix(j, k, nCols : integer): integer;
function TCoxRegForm.ix(j, k, nCols: integer): integer;
begin
Result := j*nCols + k;
end;
@ -572,20 +555,14 @@ end;
procedure TCoxRegForm.Reset;
var
i: integer;
begin
inherited;
BlockList.Clear;
VarList.Clear;
for i := 1 to NoVariables do
VarList.Items.Add(OS3MainFrm.DataGrid.Cells[i,0]);
ProbsChk.Checked := true;
DescChk.Checked := true;
CollectVariableNames(OS3MainFrm.DataGrid, VarList.Items);
DepVar.Text := '';
StatusEdit.Text := '';
MaxItsEdit.Text := '20';
end;
@ -631,6 +608,52 @@ begin
end;
function TCoxRegForm.Validate(out AMsg: String;
out AControl: TWinControl): Boolean;
var
n: Integer;
begin
Result := false;
if BlockList.Items.Count < 1 then
begin
AControl := VarList;
AMsg := 'No independent variables selected.';
exit;
end;
if DepVar.Text = '' then
begin
AControl := VarList;
AMsg := 'No Survival time variable selected.';
exit;
end;
if StatusEdit.Text = '' then
begin
AControl := VarList;
AMsg := 'No Survival Status variable selected.';
exit;
end;
if MaxItsEdit.Text = '' then
begin
AControl := MaxItsEdit;
AMsg := 'Maximum iterations not specified.';
exit;
end;
if not TryStrToInt(MaxItsEdit.Text, n) then
begin
AControl := MaxItsEdit;
AMsg := 'Valid number required.';
exit;
end;
Result := true;
end;
procedure TCoxRegForm.VarListDblClick(Sender: TObject);
var
index: Integer;

3
applications/lazstats/source/forms/analysis/multiple_regression/logregunit.lfm
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@ -8,6 +8,7 @@ inherited LogRegForm: TLogRegForm
Caption = 'Binary Logistic Regression'
ClientHeight = 342
ClientWidth = 582
OnCreate = FormCreate
inherited ParamsPanel: TPanel
Height = 326
ClientHeight = 326
@ -25,6 +26,8 @@ inherited LogRegForm: TLogRegForm
end
inherited HelpBtn: TButton
Top = 301
HelpType = htKeyword
HelpKeyword = 'html/BinaryLogisticRegression.htm'
TabOrder = 9
end
inherited ButtonBevel: TBevel

23
applications/lazstats/source/forms/analysis/multiple_regression/logregunit.pas
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@ -32,6 +32,7 @@ type
procedure BlockListDblClick(Sender: TObject);
procedure DepInBtnClick(Sender: TObject);
procedure DepOutBtnClick(Sender: TObject);
procedure FormCreate(Sender: TObject);
procedure InBtnClick(Sender: TObject);
procedure OutBtnClick(Sender: TObject);
procedure VarListDblClick(Sender: TObject);
@ -58,7 +59,7 @@ implementation
{$R *.lfm}
uses
Math;
Math, GridProcs;
function ix(j, k, nCols: integer): integer;
@ -262,7 +263,7 @@ begin
if DescChk.Checked then
lReport.Add(' %3d %15s %10.4f %10.4f',[j,RowLabels[j],xM[j],xSD[j]]);
end;
lReport.Add('------------------------------------------------------------------');
lReport.Add(DIVIDER_SMALL_AUTO);
lReport.Add('');
xM[0] := 0.0;
xSD[0] := 1.0;
@ -373,7 +374,7 @@ begin
end; // iteration
lReport.Add('Converged');
lReport.Add('');
lReport.Add('------------------------------------------------------------------');
lReport.Add(DIVIDER_SMALL_AUTO);
lReport.Add('');
CSq := LLn - LL;
@ -503,6 +504,14 @@ begin
end;
procedure TLogRegForm.FormCreate(Sender: TObject);
begin
MaxItsEdit.Text := '20';
ProbsChk.Checked := true;
DescChk.Checked := true;
end;
procedure TLogRegForm.InBtnClick(Sender: TObject);
var
i: integer;
@ -550,15 +559,9 @@ begin
inherited;
BlockList.Clear;
VarList.Clear;
for i := 1 to NoVariables do
VarList.Items.Add(OS3MainFrm.DataGrid.Cells[i,0]);
CollectVariableNames(OS3MainFrm.DataGrid, VarList.Items);
DepVarEdit.Text := '';
ProbsChk.Checked := true;
DescChk.Checked := true;
MaxItsEdit.Text := '20';
UpdateBtnStates;
end;

2
applications/lazstats/source/forms/analysis/multiple_regression/simultregunit.lfm
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@ -31,6 +31,8 @@ inherited SimultForm: TSimultForm
inherited HelpBtn: TButton
Left = 147
Top = 406
HelpType = htKeyword
HelpKeyword = 'html/SimultaneousMultipleRegression.htm'
TabOrder = 6
end
inherited ButtonBevel: TBevel

35
applications/lazstats/source/forms/analysis/multiple_regression/simultregunit.pas
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@ -62,7 +62,7 @@ implementation
uses
Math,
Utils, MathUnit;
Utils, MathUnit, GridProcs;
{ TSimultForm }
@ -132,12 +132,12 @@ begin
lReport := TStringList.Create;
try
lReport.Add('SIMULTANEOUS MULTIPLE REGRESSION by Bill Miller');
lReport.Add('------------------------------------------------------------------');
lReport.Add(DIVIDER_SMALL_AUTO);
lReport.Add('');
errcode := 0;
if MatInChkBox.Checked then
begin
OpenDialog1.Filter := 'FreeStat matrix files (*.mat)|*.mat;*.MAT|All files (*.*)|*.*';
OpenDialog1.Filter := 'LazStat matrix files (*.mat)|*.mat;*.MAT|All files (*.*)|*.*';
OpenDialog1.FilterIndex := 1;
if OpenDialog1.Execute then
begin
@ -175,7 +175,7 @@ begin
title := 'Cross-Products Matrix';
GridXProd(NoVars,ColNoSelected,Corrs,errorcode,NCases);
MatPrint(Corrs,NoVars,NoVars,title,RowLabels,ColLabels,NCases, lReport);
lReport.Add('------------------------------------------------------------------');
lReport.Add(DIVIDER_SMALL_AUTO);
lReport.Add('');
end;
@ -185,7 +185,7 @@ begin
GridCovar(NoVars,ColNoSelected,Corrs,Means,Variances,
StdDevs,errorcode,NCases);
MatPrint(Corrs,NoVars,NoVars,title,RowLabels,ColLabels,NCases, lReport);
lReport.Add('------------------------------------------------------------------');
lReport.Add(DIVIDER_SMALL_AUTO);
lReport.Add('');
end;
@ -197,7 +197,7 @@ begin
for j := 1 to NoVars do InverseMat[i-1,j-1] := Corrs[i-1,j-1];
title := 'Product-Moment Correlations Matrix';
MatPrint(Corrs,NoVars,NoVars,title,RowLabels,ColLabels,NCases, lReport);
lReport.Add('------------------------------------------------------------------');
lReport.Add(DIVIDER_SMALL_AUTO);
lReport.Add('');
end;
@ -217,7 +217,7 @@ begin
begin
title := 'Means';
DynVectorPrint(Means,NoVars,title,ColLabels,NCases, lReport);
lReport.Add('------------------------------------------------------------------');
lReport.Add(DIVIDER_SMALL_AUTO);
lReport.Add('');
end;
@ -225,7 +225,7 @@ begin
begin
title := 'Variances';
DynVectorPrint(Variances,NoVars,title,ColLabels,NCases, lReport);
lReport.Add('------------------------------------------------------------------');
lReport.Add(DIVIDER_SMALL_AUTO);
lReport.Add('');
end;
@ -233,7 +233,7 @@ begin
begin
title := 'Standard Deviations';
DynVectorPrint(StdDevs,NoVars,title,ColLabels,NCases, lReport);
lReport.Add('------------------------------------------------------------------');
lReport.Add(DIVIDER_SMALL_AUTO);
lReport.Add('');
end;
@ -254,7 +254,7 @@ begin
MessageDlg('Matrix is singular.', mtError, [mbOK], 0);
exit;
end;
lReport.Add('Determinant of correlation matrix = %8.4f', [Determinant]);
lReport.Add('Determinant of correlation matrix: %.4f', [Determinant]);
lReport.Add('');
SVDinverse(InverseMat, NoVars);
@ -262,7 +262,7 @@ begin
begin
title := 'Inverse of correlation matrix';
MatPrint(InverseMat,NoVars,NoVars,title,RowLabels,ColLabels,NCases, lReport);
lReport.Add('------------------------------------------------------------------');
lReport.Add(DIVIDER_SMALL_AUTO);
lReport.Add('');
end;
@ -287,7 +287,7 @@ begin
ProdMat[i-1,j-1] := -InverseMat[i-1,j-1] / InverseMat[j-1,j-1];
end;
end;
lReport.Add('------------------------------------------------------------------');
lReport.Add(DIVIDER_SMALL_AUTO);
lReport.Add('');
title := 'Betas in Columns';
@ -301,7 +301,7 @@ begin
valstring := format('%10s', [ColLabels[i-1]]);
lReport.Add('%10s%10.3f', [valstring,StdErr]);
end;
lReport.Add('------------------------------------------------------------------');
lReport.Add(DIVIDER_SMALL_AUTO);
lReport.Add('');
for i := 1 to NoVars do
@ -321,7 +321,7 @@ begin
valstring := format('%10s',[ColLabels[i-1]]);
lReport.Add('%10s%10.3f', [valstring, x]);
end;
lReport.Add('------------------------------------------------------------------');
lReport.Add(DIVIDER_SMALL_AUTO);
lReport.Add('');
// Get partial correlation matrix
@ -397,15 +397,11 @@ end;
procedure TSimultForm.Reset;
var
i: integer;
begin
inherited;
VarList.Clear;
SelList.Clear;
for i := 1 to NoVariables do
VarList.Items.Add(OS3MainFrm.DataGrid.Cells[i,0]);
CollectVariableNames(OS3MainFrm.DataGrid, VarList.Items);
CPChkBox.Checked := false;
CovChkBox.Checked := false;
@ -433,6 +429,7 @@ begin
end;
end;
procedure TSimultForm.VarListDblClick(Sender: TObject);
var
index: Integer;

7
applications/lazstats/source/forms/analysis/multiple_regression/stepfwdmrunit.lfm
View File

@ -2,12 +2,13 @@ inherited StepFwdForm: TStepFwdForm
Left = 564
Height = 487
Top = 333
Width = 786
Width = 801
HelpType = htKeyword
HelpKeyword = 'html/ForwardStepwise.htm'
Caption = 'Forward Stepwise Multiple Regression'
ClientHeight = 487
ClientWidth = 786
ClientWidth = 801
OnCreate = FormCreate
inherited ParamsPanel: TPanel
Height = 471
Width = 448
@ -31,6 +32,8 @@ inherited StepFwdForm: TStepFwdForm
inherited HelpBtn: TButton
Left = 188
Top = 446
HelpType = htKeyword
HelpKeyword = 'html/ForwardStepwise.htm'
TabOrder = 10
end
inherited ButtonBevel: TBevel

16
applications/lazstats/source/forms/analysis/multiple_regression/stepfwdmrunit.pas
View File

@ -46,6 +46,7 @@ type
procedure AllBtnClick(Sender: TObject);
procedure DepInBtnClick(Sender: TObject);
procedure DepOutBtnClick(Sender: TObject);
procedure FormCreate(Sender: TObject);
procedure InBtnClick(Sender: TObject);
procedure SelListDblClick(Sender: TObject);
procedure SelListSelectionChange(Sender: TObject; {%H-}User: boolean);
@ -73,7 +74,7 @@ implementation
uses
Math,
Utils, MathUnit;
Utils, GridProcs, MathUnit;
{ TStepFwdForm }
@ -486,6 +487,13 @@ begin
end;
procedure TStepFwdForm.FormCreate(Sender: TObject);
begin
InProbEdit.Text := FormatFloat('0.00', DEFAULT_ALPHA_LEVEL);
OutProbEdit.Text := FormatFloat('0.00', 0.10);
end;
procedure TStepFwdForm.InBtnClick(Sender: TObject);
var
i: integer;
@ -532,14 +540,10 @@ var
begin
inherited;
VarList.Clear;
CollectVariableNames(OS3MainFrm.DataGrid, VarList.Items);
SelList.Clear;
for i := 1 to NoVariables do
VarList.Items.Add(OS3MainFrm.DataGrid.Cells[i,0]);
DepVarEdit.Text := '';
InProbEdit.Text := FormatFloat('0.00', DEFAULT_ALPHA_LEVEL);
OutProbEdit.Text := FormatFloat('0.00', 0.10);
CPChkBox.Checked := false;
CovChkBox.Checked := false;

2
applications/lazstats/source/forms/analysis/multiple_regression/twoslsunit.lfm
View File

@ -31,6 +31,8 @@ inherited TwoSLSForm: TTwoSLSForm
inherited HelpBtn: TButton
Left = 55
Top = 335
HelpType = htKeyword
HelpKeyword = 'html/TwoStageLeastSquaresRegression.htm'
TabOrder = 11
end
inherited ButtonBevel: TBevel

75
applications/lazstats/source/forms/analysis/multiple_regression/twoslsunit.pas
View File

@ -57,6 +57,7 @@ type
procedure AdjustConstraints; override;
procedure Compute; override;
procedure UpdateBtnStates; override;
function Validate(out AMsg: String; out AControl: TWinControl): boolean; override;
public
constructor Create(AOwner: TComponent); override;
@ -72,7 +73,7 @@ implementation
{$R *.lfm}
uses
StrUtils, Utils;
StrUtils, Utils, GridProcs;
{ TTwoSLSForm }
@ -130,38 +131,8 @@ var
lReport: TStrings;
errorcode: Boolean = false;
begin
if DepVarEdit.Text = '' then
begin
MessageDlg('Dependent variable not selected.', mtError, [mbOK], 0);
exit;
end;
if ExplanatoryList.Items.Count = 0 then
begin
MessageDlg('No explanatory variables selected.', mtError, [mbOK], 0);
exit;
end;
if InstrumentalList.Items.Count = 0 then
begin
MessageDlg('No instrumental variables selected.', mtError, [mbOK], 0);
exit;
end;
PrintDesc := ProxyRegShowChk.Checked;
if (ProxyRegShowChk.Checked) then
begin
PrintDesc := true;
// PrintCorrs := true;
// PrintInverse := false;
// PrintCoefs := true;
// SaveCorrs := false;
end
else
begin
PrintDesc := false;
// PrintCorrs := false;
// PrintInverse := false;
// PrintCoefs := false;
// SaveCorrs := false;
end;
SetLength(Means,NoVariables+2);
SetLength(Variances,NoVariables+2);
SetLength(StdDevs,NoVariables+2);
@ -293,7 +264,7 @@ begin
end;
IndepCols[Noindep] := DepProx;
lReport.Add('');
lReport.Add('==================================================================');
lReport.Add(DIVIDER_AUTO);
lReport.Add('');
lReport.Add('Analysis for ' + ProxLabels[i]);
lReport.Add('-------------' + DupeString('-', Length(ProxLabels[i])));
@ -327,7 +298,7 @@ begin
// OutputFrm.ShowModal();
lReport.Add('');
lReport.Add('==================================================================');
lReport.Add(DIVIDER_AUTO);
lReport.Add('');
// Compute the OLS using the Prox values and ExplanatoryList
@ -598,17 +569,13 @@ end;
procedure TTwoSLSForm.Reset;
var
i: integer;
begin
inherited;
DepVarEdit.Clear;
InstrumentalList.Clear;
ExplanatoryList.Clear;
VarList.Clear;
for i := 1 to NoVariables do
VarList.Items.Add(OS3MainFrm.DataGrid.Cells[i,0]);
CollectVariableNames(OS3MainFrm.DataGrid, VarList.Items);
ProxyRegShowChk.Checked := false;
UpdateBtnStates;
end;
@ -631,6 +598,36 @@ begin
end;
function TTwoSLSForm.Validate(out AMsg: String;
out AControl: TWinControl): boolean;
begin
Result := false;
if DepVarEdit.Text = '' then
begin
AMsg := 'Dependent variable not selected.';
AControl := VarList;
exit;
end;
if ExplanatoryList.Items.Count = 0 then
begin
AMsg := 'No explanatory variables selected.';
AControl := VarList;
exit;
end;
if InstrumentalList.Items.Count = 0 then
begin
AMsg := 'No instrumental variables selected.';
AControl := VarList;
exit;
end;
Result := true;
end;
procedure TTwoSLSForm.VarListDblClick(Sender: TObject);
var
index: Integer;

6
applications/lazstats/source/forms/analysis/multiple_regression/wlsunit.lfm
View File

@ -32,6 +32,8 @@ inherited WLSForm: TWLSForm
Tag = 158
Left = 20
Top = 428
HelpType = htKeyword
HelpKeyword = 'html/WeightedLeast-SquaresRegression.htm'
TabOrder = 11
end
inherited ButtonBevel: TBevel
@ -346,13 +348,13 @@ inherited WLSForm: TWLSForm
Height = 453
Top = 8
Width = 552
ActivePage = ResidualsRegPage
ActivePage = OLSPage
Align = alClient
BorderSpacing.Left = 4
BorderSpacing.Top = 8
BorderSpacing.Right = 8
BorderSpacing.Bottom = 8
TabIndex = 1
TabIndex = 0
TabOrder = 2
object OLSPage: TTabSheet
Caption = 'OLS Regression'

6
applications/lazstats/source/forms/analysis/multiple_regression/wlsunit.pas
View File

@ -923,14 +923,10 @@ end;
procedure TWLSForm.Reset;
var
i: integer;
begin
inherited;
VarList.Clear;
for i := 0 to NoVariables - 1 do
VarList.Items.Add(OS3MainFrm.DataGrid.Cells[i+1,0]);
CollectVariableNames(OS3MainFrm.DataGrid, VarList.Items);
IndVarList.Clear;
DepVarEdit.Clear;

3
applications/lazstats/source/forms/mainunit.lfm
View File

@ -648,6 +648,9 @@ object OS3MainFrm: TOS3MainFrm
Caption = 'Binary Logistic'
OnClick = mnuAnalysisMultReg_BinLogisticClick
end
object MenuItem4: TMenuItem
Caption = '-'
end
object mnuAnalysisMultReg_CoxSurvival: TMenuItem
Caption = 'Cox Proportional Hazzards Survival Regression'
OnClick = mnuAnalysisMultReg_CoxSurvivalClick

1
applications/lazstats/source/forms/mainunit.pas
View File

@ -47,6 +47,7 @@ type
FilterLabel: TLabel;
MenuItem2: TMenuItem;
MenuItem3: TMenuItem;
MenuItem4: TMenuItem;
NoCasesEdit: TEdit;
NoCasesLabel: TLabel;
NoVarsEdit: TEdit;