You've already forked lazarus-ccr
633 lines
18 KiB
ObjectPascal
633 lines
18 KiB
ObjectPascal
|
// Test file: sucsintv.laz, use all variables.
|
||
|
|
|
||
|
|
unit SuccIntUnit;
|
||
|
|
|
||
|
|
{$mode objfpc}{$H+}
|
||
|
|
|
||
|
|
interface
|
||
|
|
|
||
|
|
uses
|
||
|
|
Classes, SysUtils, FileUtil, LResources, Forms, Controls, Graphics, Dialogs,
|
||
|
|
StdCtrls, Buttons, ExtCtrls,
|
||
|
|
MainUnit, OutputUnit, FunctionsLib, Globals, DataProcs;
|
||
|
|
|
||
|
|
type
|
||
|
|
|
||
|
|
{ TSuccIntFrm }
|
||
|
|
|
||
|
|
TSuccIntFrm = class(TForm)
|
||
|
|
Bevel1: TBevel;
|
||
|
|
ResetBtn: TButton;
|
||
|
|
ComputeBtn: TButton;
|
||
|
|
CloseBtn: TButton;
|
||
|
|
InBtn: TBitBtn;
|
||
|
|
OutBtn: TBitBtn;
|
||
|
|
AllBtn: TBitBtn;
|
||
|
|
Label1: TLabel;
|
||
|
|
Label2: TLabel;
|
||
|
|
ItemList: TListBox;
|
||
|
|
VarList: TListBox;
|
||
|
|
procedure AllBtnClick(Sender: TObject);
|
||
|
|
procedure ComputeBtnClick(Sender: TObject);
|
||
|
|
procedure FormActivate(Sender: TObject);
|
||
|
|
procedure FormCreate(Sender: TObject);
|
||
|
|
procedure FormShow(Sender: TObject);
|
||
|
|
procedure InBtnClick(Sender: TObject);
|
||
|
|
procedure OutBtnClick(Sender: TObject);
|
||
|
|
procedure ResetBtnClick(Sender: TObject);
|
||
|
|
procedure VarListSelectionChange(Sender: TObject; User: boolean);
|
||
|
|
private
|
||
|
|
{ private declarations }
|
||
|
|
FAutoSized: Boolean;
|
||
|
|
procedure UpdateBtnStates;
|
||
|
|
public
|
||
|
|
{ public declarations }
|
||
|
|
end;
|
||
|
|
|
||
|
|
var
|
||
|
|
SuccIntFrm: TSuccIntFrm;
|
||
|
|
|
||
|
|
implementation
|
||
|
|
|
||
|
|
uses
|
||
|
|
Math;
|
||
|
|
|
||
|
|
{ TSuccIntFrm }
|
||
|
|
|
||
|
|
procedure TSuccIntFrm.ResetBtnClick(Sender: TObject);
|
||
|
|
var
|
||
|
|
i: integer;
|
||
|
|
begin
|
||
|
|
VarList.Clear;
|
||
|
|
ItemList.Clear;
|
||
|
|
for i := 1 to NoVariables do
|
||
|
|
VarList.Items.Add(OS3MainFrm.DataGrid.Cells[i,0]);
|
||
|
|
UpdateBtnStates;
|
||
|
|
end;
|
||
|
|
|
||
|
|
procedure TSuccIntFrm.FormActivate(Sender: TObject);
|
||
|
|
var
|
||
|
|
w: Integer;
|
||
|
|
begin
|
||
|
|
if FAutoSized then
|
||
|
|
exit;
|
||
|
|
|
||
|
|
w := MaxValue([ResetBtn.Width, ComputeBtn.Width, CloseBtn.Width]);
|
||
|
|
ResetBtn.Constraints.MinWidth := w;
|
||
|
|
ComputeBtn.Constraints.MinWidth := w;
|
||
|
|
CloseBtn.Constraints.MinWidth := w;
|
||
|
|
|
||
|
|
Constraints.MinWidth := Max(
|
||
|
|
2*MaxValue([Label1.Width, Label2.Width]) + 2*AllBtn.Width + 4*VarList.BorderSpacing.Left, // 2 * AllBtn.Width to avoid window to get too narrow
|
||
|
|
3*w + 4*CloseBtn.BorderSpacing.Right
|
||
|
|
);
|
||
|
|
Constraints.MinHeight := Height;
|
||
|
|
|
||
|
|
FAutoSized := true;
|
||
|
|
end;
|
||
|
|
|
||
|
|
procedure TSuccIntFrm.FormCreate(Sender: TObject);
|
||
|
|
begin
|
||
|
|
Assert(OS3MainFrm <> nil);
|
||
|
|
end;
|
||
|
|
|
||
|
|
procedure TSuccIntFrm.FormShow(Sender: TObject);
|
||
|
|
begin
|
||
|
|
ResetBtnClick(self);
|
||
|
|
end;
|
||
|
|
|
||
|
|
procedure TSuccIntFrm.AllBtnClick(Sender: TObject);
|
||
|
|
var
|
||
|
|
i: integer;
|
||
|
|
begin
|
||
|
|
for i := 0 to VarList.Items.Count - 1do
|
||
|
|
ItemList.Items.Add(VarList.Items[i]);
|
||
|
|
UpdateBtnStates;
|
||
|
|
end;
|
||
|
|
|
||
|
|
procedure TSuccIntFrm.ComputeBtnClick(Sender: TObject);
|
||
|
|
var
|
||
|
|
i, j, k, col, X, NoSelected, MaxCat, count, subscript : integer;
|
||
|
|
discrow : integer;
|
||
|
|
CatCount : IntDyneVec;
|
||
|
|
ColNoSelected : IntDyneVec;
|
||
|
|
FreqMat : IntDyneMat;
|
||
|
|
RowTots : IntDyneVec;
|
||
|
|
PropMat, Zmatrix, WidthMat, TheorZMat, ThCumPMat, CumMat : DblDyneMat;
|
||
|
|
DiscDisp, Mean, StdDev, CumWidth, ScaleValue : DblDyneVec;
|
||
|
|
d1, d2, C1, L1, L2, t3, sum, discrep, z, prop, maxdiscrep : double;
|
||
|
|
RowLabels, ColLabels : StrDyneVec;
|
||
|
|
outline: string;
|
||
|
|
Save_Cursor : TCursor;
|
||
|
|
found : boolean;
|
||
|
|
lReport: TStrings;
|
||
|
|
begin
|
||
|
|
if ItemList.Items.Count = 0 then
|
||
|
|
begin
|
||
|
|
MessageDlg('No variables selected.', mtError, [mbOK], 0);
|
||
|
|
exit;
|
||
|
|
end;
|
||
|
|
|
||
|
|
MaxCat := 0;
|
||
|
|
L1 := 0.01;
|
||
|
|
L2 := 0.99;
|
||
|
|
maxdiscrep := 0.0;
|
||
|
|
|
||
|
|
// Allocate space
|
||
|
|
SetLength(DiscDisp,NoVariables);
|
||
|
|
SetLength(ScaleValue,NoVariables);
|
||
|
|
SetLength(RowLabels,NoVariables);
|
||
|
|
SetLength(ColNoSelected,NoVariables);
|
||
|
|
|
||
|
|
// Get items selected
|
||
|
|
NoSelected := ItemList.Items.Count;
|
||
|
|
for i := 1 to NoSelected do
|
||
|
|
begin
|
||
|
|
for j := 1 to NoVariables do
|
||
|
|
begin
|
||
|
|
outline := ItemList.Items.Strings[i-1];
|
||
|
|
if outline = OS3MainFrm.DataGrid.Cells[j,0] then ColNoSelected[i-1] := j;
|
||
|
|
end;
|
||
|
|
end;
|
||
|
|
(*
|
||
|
|
OutputFrm.RichEdit.Lines.Add('check of parameters');
|
||
|
|
outline := format('No Selected = %3d',[NoSelected]);
|
||
|
|
OutputFrm.RichEdit.Lines.Add(outline);
|
||
|
|
for i := 1 to NoSelected do
|
||
|
|
begin
|
||
|
|
outline := format('ItemList %d = %s',[i-1,ItemList.Items.Strings[i-1]]);
|
||
|
|
OutputFrm.RichEdit.Lines.Add(outline);
|
||
|
|
outline := format('Col. No. Selected %3d = %3d',[i-1,ColNoSelected[i-1]]);
|
||
|
|
OutputFrm.RichEdit.Lines.Add(outline);
|
||
|
|
end;
|
||
|
|
OutputFrm.ShowModal;
|
||
|
|
OutputFrm.RichEdit.Clear;
|
||
|
|
*)
|
||
|
|
//Find largest category value in data
|
||
|
|
for i := 1 to NoCases do
|
||
|
|
begin
|
||
|
|
if (not GoodRecord(i,NoSelected,ColNoSelected)) then continue;
|
||
|
|
for j := 1 to NoSelected do
|
||
|
|
begin
|
||
|
|
col := ColNoSelected[j-1];
|
||
|
|
X := round(StrToFloat(Trim(OS3MainFrm.DataGrid.Cells[col,i])));
|
||
|
|
if (X > MaxCat) then MaxCat := X;
|
||
|
|
end;
|
||
|
|
end;
|
||
|
|
|
||
|
|
// Initialize arrays
|
||
|
|
SetLength(CatCount,MaxCat);
|
||
|
|
SetLength(FreqMat,NoVariables,MaxCat);
|
||
|
|
SetLength(RowTots,NoVariables);
|
||
|
|
SetLength(PropMat,NoVariables,MaxCat);
|
||
|
|
SetLength(Zmatrix,NoVariables,MaxCat);
|
||
|
|
SetLength(WidthMat,NoVariables,MaxCat);
|
||
|
|
SetLength(TheorZMat,NoVariables,MaxCat);
|
||
|
|
SetLength(ThCumPMat,NoVariables,MaxCat);
|
||
|
|
SetLength(CumMat,NoVariables,MaxCat);
|
||
|
|
SetLength(Mean,MaxCat);
|
||
|
|
SetLength(StdDev,MaxCat);
|
||
|
|
SetLength(CumWidth,MaxCat);
|
||
|
|
SetLength(ColLabels,MaxCat);
|
||
|
|
|
||
|
|
for i := 0 to NoSelected-1 do
|
||
|
|
begin
|
||
|
|
RowTots[i] := 0;
|
||
|
|
DiscDisp[i] := 0.0;
|
||
|
|
ScaleValue[i] := 0.0;
|
||
|
|
for j := 0 to MaxCat-1 do
|
||
|
|
begin
|
||
|
|
FreqMat[i,j] := 0;
|
||
|
|
PropMat[i,j] := 0.0;
|
||
|
|
CumMat[i,j] := 0.0;
|
||
|
|
Zmatrix[i,j] := 0.0;
|
||
|
|
WidthMat[i,j] := 0.0;
|
||
|
|
TheorZMat[i,j] := 0.0;
|
||
|
|
ThCumPMat[i,j] := 0.0;
|
||
|
|
end;
|
||
|
|
end;
|
||
|
|
for j := 0 to MaxCat-1 do
|
||
|
|
begin
|
||
|
|
CumWidth[j] := 0.0;
|
||
|
|
StdDev[j] := 0.0;
|
||
|
|
Mean[j] := 0.0;
|
||
|
|
CatCount[j] := 0;
|
||
|
|
end;
|
||
|
|
|
||
|
|
Save_Cursor := Screen.Cursor; // save current cursor
|
||
|
|
Screen.Cursor := crHourGlass; // Show hourglass cursor
|
||
|
|
|
||
|
|
//Build frequency matrix
|
||
|
|
for i := 1 to NoCases do
|
||
|
|
begin
|
||
|
|
if (not GoodRecord(i,NoSelected,ColNoSelected)) then continue;
|
||
|
|
for j := 1 to NoSelected do
|
||
|
|
begin
|
||
|
|
col := ColNoSelected[j-1];
|
||
|
|
X := round(StrToFloat(Trim(OS3MainFrm.DataGrid.Cells[col,i])));
|
||
|
|
if ((X > 0) and (X <= MaxCat)) then
|
||
|
|
FreqMat[j-1,X-1] := FreqMat[j-1,X-1] + 1;
|
||
|
|
end;
|
||
|
|
end;
|
||
|
|
|
||
|
|
// Get row totals of the frequency matrix
|
||
|
|
for i := 0 to NoSelected-1 do
|
||
|
|
begin
|
||
|
|
RowTots[i] := 0;
|
||
|
|
for j := 0 to MaxCat-1 do
|
||
|
|
begin
|
||
|
|
RowTots[i] := RowTots[i] + FreqMat[i,j];
|
||
|
|
end;
|
||
|
|
end;
|
||
|
|
|
||
|
|
// Convert frequencies to proportions of the row totals
|
||
|
|
for i := 0 to NoSelected-1 do
|
||
|
|
for j := 0 to MaxCat-1 do
|
||
|
|
PropMat[i,j] := FreqMat[i,j] / RowTots[i];
|
||
|
|
|
||
|
|
// Accumulate the proportions accross the categories
|
||
|
|
for i := 1 to NoSelected do
|
||
|
|
begin
|
||
|
|
CumMat[i-1,0] := PropMat[i-1,0];
|
||
|
|
for j := 2 to MaxCat do
|
||
|
|
begin
|
||
|
|
CumMat[i-1,j-1] := CumMat[i-1,j-2] + PropMat[i-1,j-1];
|
||
|
|
if (j = MaxCat) then CumMat[i-1,j-1] := 1.0;
|
||
|
|
end;
|
||
|
|
end;
|
||
|
|
|
||
|
|
// Convert cumulative proportions to z scores
|
||
|
|
for i := 0 to NoSelected-1 do
|
||
|
|
begin
|
||
|
|
for j := 0 to MaxCat-1 do
|
||
|
|
begin
|
||
|
|
if (CumMat[i,j] < L1) then Zmatrix[i,j] := 99.0; //flag -infinity
|
||
|
|
if (CumMat[i,j] > L2) then Zmatrix[i,j] := 99.0; //flag +infinity
|
||
|
|
if ((CumMat[i,j] >= L1) and (CumMat[i,j] <= L2)) then
|
||
|
|
Zmatrix[i,j] := inversez(CumMat[i,j]);
|
||
|
|
end;
|
||
|
|
end;
|
||
|
|
|
||
|
|
// Obtain discriminal dispersions of the items
|
||
|
|
t3 := 0.0;
|
||
|
|
for i := 1 to NoSelected do
|
||
|
|
begin
|
||
|
|
d1 := 0.0;
|
||
|
|
d2 := 0.0;
|
||
|
|
C1 := 0.0;
|
||
|
|
for j := 1 to MaxCat - 1 do
|
||
|
|
begin
|
||
|
|
if (Zmatrix[i-1,j-1] <> 99.0) then
|
||
|
|
begin
|
||
|
|
d1 := d1 + Zmatrix[i-1,j-1];
|
||
|
|
d2 := d2 + (Zmatrix[i-1,j-1] * Zmatrix[i-1,j-1]);
|
||
|
|
C1 := C1 + 1.0;
|
||
|
|
end;
|
||
|
|
end;
|
||
|
|
if (C1 > 1) then
|
||
|
|
begin
|
||
|
|
DiscDisp[i-1] := d2 - ((d1 * d1) / C1);
|
||
|
|
DiscDisp[i-1] := DiscDisp[i-1] / (C1-1.0);
|
||
|
|
DiscDisp[i-1] := sqrt(DiscDisp[i-1]);
|
||
|
|
end
|
||
|
|
else DiscDisp[i-1] := 99.0;
|
||
|
|
if ((DiscDisp[i-1] > 0) and (DiscDisp[i-1] <> 99.0))then t3 := t3 + (1.0 / DiscDisp[i-1]);
|
||
|
|
end;
|
||
|
|
|
||
|
|
//Constant t3 =No. items / recipricols of std.dev.s of item z scores
|
||
|
|
t3 := NoSelected / t3;
|
||
|
|
for i := 0 to NoSelected-1 do
|
||
|
|
begin
|
||
|
|
if ((DiscDisp[i] > 0.0) and (t3 > 0)) then
|
||
|
|
DiscDisp[i] := (1.0 / DiscDisp[i]) * t3
|
||
|
|
else
|
||
|
|
DiscDisp[i] := 99.0;
|
||
|
|
end;
|
||
|
|
|
||
|
|
// Now, calculate interval widths
|
||
|
|
for j := 2 to MaxCat - 1 do
|
||
|
|
begin
|
||
|
|
for i := 1 to NoSelected do
|
||
|
|
begin
|
||
|
|
if ((Zmatrix[i-1,j-1] <> 99.0) and (Zmatrix[i-1,j-2] <> 99.0)) then
|
||
|
|
WidthMat[i-1,j-2] := Zmatrix[i-1,j-1] - Zmatrix[i-1,j-2]
|
||
|
|
else
|
||
|
|
WidthMat[i-1,j-2] := 99.0;
|
||
|
|
end;
|
||
|
|
end;
|
||
|
|
|
||
|
|
//Calculate Means and Standard Deviations of category Widths
|
||
|
|
for j := 1 to MaxCat-2 do
|
||
|
|
begin
|
||
|
|
for i := 1 to NoSelected do
|
||
|
|
begin
|
||
|
|
if (WidthMat[i-1,j-1] <> 99.0) then
|
||
|
|
begin
|
||
|
|
CatCount[j-1] := CatCount[j-1] + 1;
|
||
|
|
Mean[j-1] := Mean[j-1] + WidthMat[i-1,j-1];
|
||
|
|
StdDev[j-1] := StdDev[j-1] + (WidthMat[i-1,j-1] * WidthMat[i-1,j-1]);
|
||
|
|
end;
|
||
|
|
end;
|
||
|
|
if (CatCount[j-1] > 1) then
|
||
|
|
begin
|
||
|
|
Mean[j-1] := Mean[j-1] / CatCount[j-1];
|
||
|
|
StdDev[j-1] := (StdDev[j-1] / CatCount[j-1]) - (Mean[j-1] * Mean[j-1]);
|
||
|
|
StdDev[j-1] := StdDev[j-1] * (CatCount[j-1] / (CatCount[j-1] - 1));
|
||
|
|
end;
|
||
|
|
end;
|
||
|
|
|
||
|
|
// Calculate cumulative widths
|
||
|
|
CumWidth[0] := Mean[0];
|
||
|
|
for j := 2 to MaxCat - 1 do
|
||
|
|
CumWidth[j-1] := CumWidth[j-2] + Mean[j-1];
|
||
|
|
|
||
|
|
// Calculate scale item scale values
|
||
|
|
for i := 1 to NoSelected do
|
||
|
|
begin
|
||
|
|
found := false;
|
||
|
|
count := 1;
|
||
|
|
while (not found) do
|
||
|
|
begin
|
||
|
|
if (CumMat[i-1,count-1] >= 0.5) then
|
||
|
|
begin
|
||
|
|
found := true;
|
||
|
|
subscript := count;
|
||
|
|
end;
|
||
|
|
if (count = (MaxCat)) then
|
||
|
|
begin
|
||
|
|
found := true;
|
||
|
|
subscript := count;
|
||
|
|
end;
|
||
|
|
count := count + 1;
|
||
|
|
end;
|
||
|
|
|
||
|
|
if ((subscript > 2) and (subscript < MaxCat)) then
|
||
|
|
begin
|
||
|
|
ScaleValue[i-1] := Mean[subscript-2] * ((0.5 - CumMat[i-1,subscript-2]) / PropMat[i-1,subscript-1]);
|
||
|
|
if (subscript > 1) then
|
||
|
|
ScaleValue[i-1] := ScaleValue[i-1] + CumWidth[subscript-3];
|
||
|
|
end
|
||
|
|
else
|
||
|
|
begin //extreme value - get average of z scores in first cat. and / 2
|
||
|
|
sum := 0.0;
|
||
|
|
for k := 1 to NoSelected do sum := sum + Zmatrix[i-1,0];
|
||
|
|
sum := sum / abs(NoSelected * 2);
|
||
|
|
ScaleValue[i-1] := sum * ((0.5 - (CumMat[i-1,0] / 2.0)) / (CumMat[i-1,0] / 2.0));
|
||
|
|
end;
|
||
|
|
|
||
|
|
end;
|
||
|
|
|
||
|
|
//Calculate Theoretical z scores from the scale values
|
||
|
|
discrep := 0.0;
|
||
|
|
count := 0;
|
||
|
|
for i := 1 to NoSelected do
|
||
|
|
begin
|
||
|
|
z := -ScaleValue[i-1];
|
||
|
|
TheorZMat[i-1,0] := z;
|
||
|
|
prop := probz(z);
|
||
|
|
ThCumPMat[i-1,0] := prop;
|
||
|
|
for j := 2 to MaxCat - 1 do
|
||
|
|
begin
|
||
|
|
z := CumWidth[j-2] - ScaleValue[i-1];
|
||
|
|
if (z < -3) then z := -3.0;
|
||
|
|
if (z > 3) then z := 3.0;
|
||
|
|
prop := probz(z);
|
||
|
|
TheorZMat[i-1,j-1] := z;
|
||
|
|
ThCumPMat[i-1,j-1] := prop;
|
||
|
|
discrep := discrep + abs(CumMat[i-1,j-1] - prop);
|
||
|
|
if abs(CumMat[i-1,j-1] - prop) > maxdiscrep then
|
||
|
|
begin
|
||
|
|
maxdiscrep := abs(CumMat[i-1,j-1] - prop);
|
||
|
|
discrow := i;
|
||
|
|
end;
|
||
|
|
count := count + 1;
|
||
|
|
end;
|
||
|
|
ThCumPMat[i-1,MaxCat-1] := 1.0;
|
||
|
|
end;
|
||
|
|
discrep := discrep / count; // average discrepency between theoretical and observed
|
||
|
|
|
||
|
|
// Report results
|
||
|
|
lReport := TStringList.Create;
|
||
|
|
try
|
||
|
|
lReport.Add(' SUCCESSIVE INTERVAL SCALING RESULTS');
|
||
|
|
lReport.Add('');
|
||
|
|
for i := 1 to NoSelected do
|
||
|
|
RowLabels[i-1] := OS3MainFrm.DataGrid.Cells[ColNoSelected[i-1],0];
|
||
|
|
for i := 1 to MaxCat do
|
||
|
|
ColLabels[i-1] := Format(' %2d-%2d ', [i-1, i]);
|
||
|
|
|
||
|
|
outline := ' ';
|
||
|
|
for i := 1 to MaxCat do outline := outline + ColLabels[i-1];
|
||
|
|
lReport.Add(outline);
|
||
|
|
|
||
|
|
for i := 1 to NoSelected do
|
||
|
|
begin
|
||
|
|
lReport.Add('%10s', [RowLabels[i-1]]);
|
||
|
|
|
||
|
|
outline := 'Frequency ';
|
||
|
|
for j := 1 to MaxCat do
|
||
|
|
outline := outline + Format('%7d', [FreqMat[i-1,j-1]]);
|
||
|
|
lReport.Add(outline);
|
||
|
|
|
||
|
|
outline := 'Proportion ';
|
||
|
|
for j := 1 to MaxCat do
|
||
|
|
outline := outline + Format('%7.3f', [PropMat[i-1,j-1]]);
|
||
|
|
lReport.Add(outline);
|
||
|
|
|
||
|
|
outline := 'Cum. Prop. ';
|
||
|
|
for j := 1 to MaxCat do
|
||
|
|
outline := outline + Format('%7.3f', [CumMat[i-1,j-1]]);
|
||
|
|
lReport.Add(outline);
|
||
|
|
|
||
|
|
outline := 'Normal z ';
|
||
|
|
for j := 1 to MaxCat do
|
||
|
|
begin
|
||
|
|
if (Zmatrix[i-1,j-1] <> 99.0) then
|
||
|
|
outline := outline + Format('%7.3f', [Zmatrix[i-1,j-1]])
|
||
|
|
else
|
||
|
|
outline := outline + ' - ';
|
||
|
|
end;
|
||
|
|
lReport.Add(outline);
|
||
|
|
end;
|
||
|
|
|
||
|
|
lReport.Add('');
|
||
|
|
lReport.Add(' INTERVAL WIDTHS');
|
||
|
|
outline := ' ';
|
||
|
|
for i := 1 to MaxCat - 2 do
|
||
|
|
outline := outline + Format(' %2d-%2d ', [i+1,i]);
|
||
|
|
lReport.Add(outline);
|
||
|
|
|
||
|
|
outline := '';
|
||
|
|
for i := 1 to NoSelected do
|
||
|
|
begin
|
||
|
|
outline := outline + Format('%10s', [RowLabels[i-1]]);
|
||
|
|
for j := 1 to MaxCat-2 do
|
||
|
|
begin
|
||
|
|
if (WidthMat[i-1,j-1] <> 99.0) then
|
||
|
|
outline := outline + Format('%7.3f', [WidthMat[i-1,j-1]])
|
||
|
|
else
|
||
|
|
outline := outline + ' - ';
|
||
|
|
end;
|
||
|
|
lReport.Add(outline);
|
||
|
|
outline := '';
|
||
|
|
end;
|
||
|
|
lReport.Add('');
|
||
|
|
|
||
|
|
outline := 'Mean Width';
|
||
|
|
for i := 1 to MaxCat - 2 do
|
||
|
|
outline := outline + Format('%7.2f', [Mean[i-1]]);
|
||
|
|
lReport.Add(outline);
|
||
|
|
|
||
|
|
outline := 'No. Items ';
|
||
|
|
for i := 1 to MaxCat - 2 do
|
||
|
|
outline := outline + Format('%7d', [CatCount[i-1]]);
|
||
|
|
lReport.Add(outline);
|
||
|
|
|
||
|
|
outline := 'Std. Dev.s';
|
||
|
|
for i := 1 to MaxCat - 2 do
|
||
|
|
outline := outline + Format('%7.2f', [StdDev[i-1]]);;
|
||
|
|
lReport.Add(outline);
|
||
|
|
|
||
|
|
outline := 'Cum. Means';
|
||
|
|
for i := 1 to MaxCat - 2 do
|
||
|
|
outline := outline + Format('%7.2f', [CumWidth[i-1]]);
|
||
|
|
lReport.Add(outline);
|
||
|
|
lReport.Add('');
|
||
|
|
|
||
|
|
lReport.Add('ESTIMATES OF SCALE VALUES AND THEIR DISPERSIONS');
|
||
|
|
lReport.Add('Item No. Ratings Scale Value Discriminal Dispersion');
|
||
|
|
for i := 0 to NoSelected-1 do
|
||
|
|
lReport.Add('%10s %3d %6.3f %6.3f', [RowLabels[i], RowTots[i], ScaleValue[i], DiscDisp[i]]);
|
||
|
|
lReport.Add('');
|
||
|
|
|
||
|
|
lReport.Add('Z scores Estimated from Scale values');
|
||
|
|
outline := ' ';
|
||
|
|
for i := 0 to MaxCat-1 do outline := outline + ColLabels[i];
|
||
|
|
lReport.Add(outline);
|
||
|
|
for i := 1 to NoSelected do
|
||
|
|
begin
|
||
|
|
outline := Format('%10s', [RowLabels[i-1]]);
|
||
|
|
for j := 1 to MaxCat - 1 do
|
||
|
|
outline := outline + Format('%7.3f', [TheorZMat[i-1,j-1]]);
|
||
|
|
lReport.Add(outline);
|
||
|
|
end;
|
||
|
|
lReport.Add('');
|
||
|
|
|
||
|
|
lReport.Add('Cumulative Theoretical Proportions');
|
||
|
|
outline := ' ';
|
||
|
|
for i := 1 to MaxCat do outline := outline + ColLabels[i-1];
|
||
|
|
lReport.Add(outline);
|
||
|
|
for i := 1 to NoSelected do
|
||
|
|
begin
|
||
|
|
outline := Format('%10s', [RowLabels[i-1]]);
|
||
|
|
for j := 1 to MaxCat do
|
||
|
|
outline := outline + Format('%7.3f', [ThCumPMat[i-1,j-1]]);
|
||
|
|
OutputFrm.RichEdit.Lines.Add(outline);
|
||
|
|
end;
|
||
|
|
lReport.Add('');
|
||
|
|
|
||
|
|
outline := 'Average Discrepancy Between Theoretical and Observed Cumulative Proportions: ';
|
||
|
|
outline := outline + Format('%.3f', [discrep]);
|
||
|
|
lReport.Add(outline);
|
||
|
|
|
||
|
|
lReport.Add('Maximum discrepancy %.3f found in item %s', [maxdiscrep, RowLabels[discrow-1]]);
|
||
|
|
|
||
|
|
Screen.Cursor := Save_Cursor;
|
||
|
|
DisplayReport(lReport);
|
||
|
|
|
||
|
|
finally
|
||
|
|
lReport.Free;
|
||
|
|
|
||
|
|
ColLabels := nil;
|
||
|
|
RowLabels := nil;
|
||
|
|
ScaleValue := nil;
|
||
|
|
CumWidth := nil;
|
||
|
|
StdDev := nil;
|
||
|
|
Mean := nil;
|
||
|
|
DiscDisp := nil;
|
||
|
|
CumMat := nil;
|
||
|
|
ThCumPMat := nil;
|
||
|
|
TheorZMat := nil;
|
||
|
|
WidthMat := nil;
|
||
|
|
Zmatrix := nil;
|
||
|
|
PropMat := nil;
|
||
|
|
RowTots := nil;
|
||
|
|
FreqMat := nil;
|
||
|
|
CatCount := nil;
|
||
|
|
ColNoSelected := nil;
|
||
|
|
end;
|
||
|
|
end;
|
||
|
|
|
||
|
|
procedure TSuccIntFrm.InBtnClick(Sender: TObject);
|
||
|
|
var
|
||
|
|
i: integer;
|
||
|
|
begin
|
||
|
|
i := 0;
|
||
|
|
while i < VarList.Items.Count do
|
||
|
|
begin
|
||
|
|
if VarList.Selected[i] then
|
||
|
|
begin
|
||
|
|
ItemList.Items.Add(VarList.Items[i]);
|
||
|
|
VarList.Items.Delete(i);
|
||
|
|
i := 0;
|
||
|
|
end else
|
||
|
|
inc(i);
|
||
|
|
end;
|
||
|
|
UpdateBtnStates;
|
||
|
|
end;
|
||
|
|
|
||
|
|
procedure TSuccIntFrm.OutBtnClick(Sender: TObject);
|
||
|
|
var
|
||
|
|
i: integer;
|
||
|
|
begin
|
||
|
|
i := 0;
|
||
|
|
while i < ItemList.Items.Count do
|
||
|
|
begin
|
||
|
|
if ItemList.Selected[i] then
|
||
|
|
begin
|
||
|
|
VarList.Items.Add(ItemList.Items[i]);
|
||
|
|
ItemList.Items.Delete(i);
|
||
|
|
i := 0;
|
||
|
|
end else
|
||
|
|
inc(i);
|
||
|
|
end;
|
||
|
|
UpdateBtnStates;
|
||
|
|
end;
|
||
|
|
|
||
|
|
procedure TSuccIntFrm.UpdateBtnStates;
|
||
|
|
var
|
||
|
|
lSelected: Boolean;
|
||
|
|
i: Integer;
|
||
|
|
begin
|
||
|
|
lSelected := false;
|
||
|
|
for i := 0 to VarList.Items.Count - 1 do
|
||
|
|
if VarList.Selected[i] then
|
||
|
|
begin
|
||
|
|
lSelected := true;
|
||
|
|
break;
|
||
|
|
end;
|
||
|
|
InBtn.Enabled := lSelected;
|
||
|
|
|
||
|
|
lSelected := false;
|
||
|
|
for i := 0 to ItemList.Items.Count -1 do
|
||
|
|
if ItemList.Selected[i] then
|
||
|
|
begin
|
||
|
|
lSelected := true;
|
||
|
|
break;
|
||
|
|
end;
|
||
|
|
OutBtn.Enabled := lSelected;
|
||
|
|
|
||
|
|
AllBtn.Enabled := VarList.Items.Count > 0;
|
||
|
|
end;
|
||
|
|
|
||
|
|
procedure TSuccIntFrm.VarListSelectionChange(Sender: TObject; User: boolean);
|
||
|
|
begin
|
||
|
|
UpdateBtnStates;
|
||
|
|
end;
|
||
|
|
|
||
|
|
initialization
|
||
|
|
{$I succintunit.lrs}
|
||
|
|
|
||
|
|
end.
|
||
|
|
|