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LazStats: Less hints.

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git-svn-id: https://svn.code.sf.net/p/lazarus-ccr/svn@7409 8e941d3f-bd1b-0410-a28a-d453659cc2b4
This commit is contained in:
wp_xxyyzz
2020-04-26 23:07:47 +00:00
parent cf4ce2f94a
commit 793f9a5144
10 changed files with 46 additions and 86 deletions
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2
applications/lazstats/source/forms/analysis/correlation/autocorunit.pas
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@ -1017,7 +1017,7 @@ end;
procedure TAutoCorrFrm.realft(var data: DblDyneVec; n: longword; isign: integer); procedure TAutoCorrFrm.realft(var data: DblDyneVec; n: longword; isign: integer);
var var
i,i1,i2,i3,i4,np3 : longword; i,i1,i2,i3,i4,np3 : integer; // was: longword;
c1,c2,h1r,h1i,h2r,h2i : double; c1,c2,h1r,h1i,h2r,h2i : double;
wr,wi,wpr,wpi,wtemp,theta : double; wr,wi,wpr,wpi,wtemp,theta : double;

26
applications/lazstats/source/forms/analysis/correlation/canonunit.pas
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@ -153,15 +153,13 @@ begin
end; end;
procedure TCannonFrm.ComputeBtnClick(Sender: TObject); procedure TCannonFrm.ComputeBtnClick(Sender: TObject);
const
SEPARATOR = '===========================================================================';
var var
i, j, k, count, a_size, b_size, no_factors, novars, IER: integer; i, j, k, count, a_size, b_size, no_factors, novars: integer;
cellstring, gridstring: string; cellstring, gridstring: string;
s, m, n, df1, df2, q, w, pcnt_extracted, trace : double; s, m, n, df1, df2, q, w, pcnt_extracted, trace : double;
minroot, critical_prob, Lambda, Pillia : double; minroot, critical_prob, Lambda, Pillia : double;
chisqr, HLTrace, chiprob, ftestprob, Roys, f, Hroot : double; chisqr, HLTrace, chiprob, ftestprob, Roys, f, Hroot : double;
raa, rbb, rab, rba, bigmat, prod, first_prod, second_prod : DblDyneMat; raa, rbb, rab, rba, bigmat, first_prod, second_prod : DblDyneMat;
char_equation, raainv, rbbinv, eigenvectors, norm_a, norm_b : DblDyneMat; char_equation, raainv, rbbinv, eigenvectors, norm_a, norm_b : DblDyneMat;
raw_a, raw_b, a_cors, b_cors, eigentrans, theta, tempmat : DblDyneMat; raw_a, raw_b, a_cors, b_cors, eigentrans, theta, tempmat : DblDyneMat;
mean, variance, stddev, roots, root_chi, chi_prob, pv_a, pv_b : DblDyneVec; mean, variance, stddev, roots, root_chi, chi_prob, pv_a, pv_b : DblDyneVec;
@ -209,7 +207,6 @@ begin
SetLength(rab,a_size,b_size); SetLength(rab,a_size,b_size);
SetLength(rba,b_size,a_size); SetLength(rba,b_size,a_size);
SetLength(bigmat,novars+1,novars+1); SetLength(bigmat,novars+1,novars+1);
SetLength(prod,novars,novars);
SetLength(first_prod,novars,novars); SetLength(first_prod,novars,novars);
SetLength(second_prod,novars,novars); SetLength(second_prod,novars,novars);
SetLength(char_equation,novars,novars); SetLength(char_equation,novars,novars);
@ -296,7 +293,7 @@ begin
// Get means, standard deviations, etc. for total matrix // Get means, standard deviations, etc. for total matrix
Correlations(novars,selected,bigmat,mean,variance,stddev,errorcode,Ncases); Correlations(novars,selected,bigmat,mean,variance,stddev,errorcode,Ncases);
count := Ncases; count := Ncases;
if (IER = 1)then if errorcode then // wp: was "if (IER = 1) then", but IER is not initialized...
begin begin
MessageDlg('Zero variance found for a variable-terminating', mtError, [mbOK], 0); MessageDlg('Zero variance found for a variable-terminating', mtError, [mbOK], 0);
exit; exit;
@ -327,7 +324,7 @@ begin
title := 'Left-Right Correlation Matrix'; title := 'Left-Right Correlation Matrix';
MatPrint(rab, a_size, b_size, title, RowLabels, ColLabels, NCases, lReport); MatPrint(rab, a_size, b_size, title, RowLabels, ColLabels, NCases, lReport);
lReport.Add(''); lReport.Add('');
lReport.Add(SEPARATOR); lReport.Add(DIVIDER);
lReport.Add(''); lReport.Add('');
end; end;
@ -367,7 +364,7 @@ begin
MatPrint(char_equation, b_size, b_size, title, CanLabels, CanLabels, NCases, lReport); MatPrint(char_equation, b_size, b_size, title, CanLabels, CanLabels, NCases, lReport);
lReport.Add(''); lReport.Add('');
lReport.Add(SEPARATOR); lReport.Add(DIVIDER);
lReport.Add(''); lReport.Add('');
// now get roots and vectors of the characteristic equation using // now get roots and vectors of the characteristic equation using
@ -503,7 +500,7 @@ begin
lReport.Add('Roys Largest Root F-Test %10.4f %2.0f %2.0f %12.4f', [Roys, df1, df2, ftestprob]); lReport.Add('Roys Largest Root F-Test %10.4f %2.0f %2.0f %12.4f', [Roys, df1, df2, ftestprob]);
lReport.Add(''); lReport.Add('');
lReport.Add(SEPARATOR); lReport.Add(DIVIDER);
lReport.Add(''); lReport.Add('');
if EigenChk.Checked then if EigenChk.Checked then
@ -511,7 +508,7 @@ begin
title := 'Eigenvectors'; title := 'Eigenvectors';
MatPrint(eigenvectors, b_size, b_size, title, CanLabels, CanLabels, NCases, lReport); MatPrint(eigenvectors, b_size, b_size, title, CanLabels, CanLabels, NCases, lReport);
lReport.Add(''); lReport.Add('');
lReport.Add(SEPARATOR); lReport.Add(DIVIDER);
lReport.Add(''); lReport.Add('');
end; end;
@ -522,7 +519,7 @@ begin
MatPrint(norm_b, b_size, b_size, title, ColLabels, CanLabels, NCases, lReport); MatPrint(norm_b, b_size, b_size, title, ColLabels, CanLabels, NCases, lReport);
lReport.Add(''); lReport.Add('');
lReport.Add(SEPARATOR); lReport.Add(DIVIDER);
lReport.Add(''); lReport.Add('');
title := 'Raw Right Side Weights'; title := 'Raw Right Side Weights';
@ -532,7 +529,7 @@ begin
MatPrint(raw_b, b_size, b_size, title, ColLabels, CanLabels, NCases, lReport); MatPrint(raw_b, b_size, b_size, title, ColLabels, CanLabels, NCases, lReport);
lReport.Add(''); lReport.Add('');
lReport.Add(SEPARATOR); lReport.Add(DIVIDER);
lReport.Add(''); lReport.Add('');
title := 'Right Side Correlations with Function'; title := 'Right Side Correlations with Function';
@ -542,7 +539,7 @@ begin
MatPrint(b_cors, b_size, b_size, title, ColLabels, CanLabels, NCases, lReport); MatPrint(b_cors, b_size, b_size, title, ColLabels, CanLabels, NCases, lReport);
lReport.Add(''); lReport.Add('');
lReport.Add(SEPARATOR); lReport.Add(DIVIDER);
lReport.Add(''); lReport.Add('');
if RedundChk.Checked then if RedundChk.Checked then
@ -563,7 +560,7 @@ begin
lReport.Add('%8d %15.5f %12.5f', [i, pv_b[i-1], rd_b[i-1]]); lReport.Add('%8d %15.5f %12.5f', [i, pv_b[i-1], rd_b[i-1]]);
lReport.Add(''); lReport.Add('');
lReport.Add(SEPARATOR); lReport.Add(DIVIDER);
lReport.Add(''); lReport.Add('');
end; end;
@ -604,7 +601,6 @@ begin
char_equation := nil; char_equation := nil;
second_prod := nil; second_prod := nil;
first_prod := nil; first_prod := nil;
prod := nil;
rba := nil; rba := nil;
rab := nil; rab := nil;
rbb := nil; rbb := nil;

2
applications/lazstats/source/forms/analysis/descriptive/comparedistunit.pas
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@ -122,7 +122,7 @@ var
Cumfreq2 : DblDyneVec; Cumfreq2 : DblDyneVec;
i, j, k, col1, col2, Ncases, noints : integer; i, j, k, col1, col2, Ncases, noints : integer;
min1, max1, min2, max2, range1, range2, value : double; min1, max1, min2, max2, range1, range2, value : double;
incrsize1, incrsize2, prob1,prob2, KS, mean, DegFree : double; incrsize1, incrsize2, prob1,prob2, {%H-}KS, mean, DegFree : double;
cellval, name1, name2 : string; cellval, name1, name2 : string;
df1, df2 : integer; df1, df2 : integer;
xtitle : string; xtitle : string;

18
applications/lazstats/source/forms/analysis/descriptive/normalityunit.pas
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@ -140,16 +140,16 @@ end;
procedure TNormalityFrm.ApplyBtnClick(Sender: TObject); procedure TNormalityFrm.ApplyBtnClick(Sender: TObject);
var var
w: Double = 0.0; w: Double = 0.0;
temp, pw : double; pw: Double = 0.0;
temp: double;
skew, kurtosis : double; skew, kurtosis : double;
mean, variance, stddev, deviation, devsqr, M2, M3, M4 : double; mean, variance, stddev, deviation, devsqr, M2, M3, M4 : double;
i, j, n, n1, n2, ier : integer; i, j, n, n1, n2, ier : integer;
varlabel : string;
selcol : integer; selcol : integer;
data, a, z, x : DblDyneVec; data, a, z, x : DblDyneVec;
freq : IntDyneVec; freq : IntDyneVec;
fval, jval, DP : DblDyneVec; fval, jval, DP : DblDyneVec;
F1, DPP, D, D1, A0, C1, D15, D10, D05, D025, t2 : double; F1, DPP, D, A0, C1, D15, D10, D05, D025, t2 : double;
init : boolean; init : boolean;
msg : string; msg : string;
@ -181,7 +181,6 @@ begin
init := false; init := false;
n := 0; n := 0;
varlabel := TestVarEdit.Text;
// place values into the data array // place values into the data array
SetLength(data, NoCases+1); // arrays start at 1 SetLength(data, NoCases+1); // arrays start at 1
@ -225,8 +224,8 @@ begin
Cleanup; Cleanup;
exit; exit;
end; end;
WEdit.Text := Format('%8.4f', [w]); WEdit.Text := Format('%.4f', [w]);
ProbEdit.Text := Format('%8.4f', [pw]); ProbEdit.Text := Format('%.4f', [pw]);
// Now do Lilliefors // Now do Lilliefors
// Get unique scores and their frequencies // Get unique scores and their frequencies
@ -280,8 +279,8 @@ begin
skew := (n * M3) / ((n - 1) * (n - 2) * stddev * variance); skew := (n * M3) / ((n - 1) * (n - 2) * stddev * variance);
kurtosis := (n * (n + 1) * M4) - (3 * M2 * M2 * (n - 1)); kurtosis := (n * (n + 1) * M4) - (3 * M2 * M2 * (n - 1));
kurtosis := kurtosis /( (n - 1) * (n - 2) * (n - 3) * (variance * variance) ); kurtosis := kurtosis /( (n - 1) * (n - 2) * (n - 3) * (variance * variance) );
SkewEdit.Text := Format('%8.3f', [skew]); SkewEdit.Text := Format('%.3f', [skew]);
KurtosisEdit.Text := Format('%8.3f', [kurtosis]); KurtosisEdit.Text := Format('%.3f', [kurtosis]);
// obtain the test statistic // obtain the test statistic
for i := 1 to n1 do for i := 1 to n1 do
@ -313,8 +312,7 @@ begin
end; end;
DPP := DP[n1]; DPP := DP[n1];
D := DPP; D := DPP;
D1 := D; StatEdit.Text := Format('%.3f', [D]);
StatEdit.Text := Format('%8.3f', [D]);
A0 := sqrt(n); A0 := sqrt(n);
C1 := A0 - 0.01 + (0.85 / A0); C1 := A0 - 0.01 + (0.85 / A0);
D15 := 0.775 / C1; D15 := 0.775 / C1;

3
applications/lazstats/source/forms/analysis/descriptive/resistancelineunit.pas
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@ -103,7 +103,6 @@ end;
procedure TResistanceLineForm.ComputeBtnClick(Sender: TObject); procedure TResistanceLineForm.ComputeBtnClick(Sender: TObject);
var var
XYPoints : DblDyneMat; XYPoints : DblDyneMat;
XYMedians : DblDyneMat;
XMedians : DblDyneVec; XMedians : DblDyneVec;
YMedians : DblDyneVec; YMedians : DblDyneVec;
XVector, YVector : DblDyneVec; XVector, YVector : DblDyneVec;
@ -122,7 +121,6 @@ var
lReport: TStrings; lReport: TStrings;
begin begin
SetLength(XYPoints, NoCases, NoCases); SetLength(XYPoints, NoCases, NoCases);
SetLength(XYMedians, 3, 3);
SetLength(XMedians, 3); SetLength(XMedians, 3);
SetLength(YMedians, 3); SetLength(YMedians, 3);
SetLength(XVector, NoCases); SetLength(XVector, NoCases);
@ -383,7 +381,6 @@ begin
XVector := nil; XVector := nil;
YMedians := nil; YMedians := nil;
XMedians := nil; XMedians := nil;
XYMedians := nil;
XYPoints := nil; XYPoints := nil;
end; end;
end; end;

3
applications/lazstats/source/forms/analysis/multiple_regression/coxregunit.pas
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@ -188,7 +188,6 @@ var
prob : double; // probability of chi square prob : double; // probability of chi square
SurvT : DblDyneVec; SurvT : DblDyneVec;
Stat : DblDyneVec; Stat : DblDyneVec;
Dupl : DblDyneVec;
Alpha : DblDyneVec; Alpha : DblDyneVec;
a : DblDyneVec; a : DblDyneVec;
b : DblDyneVec; b : DblDyneVec;
@ -277,7 +276,6 @@ begin
SetLength(SurvT,nC + 1); SetLength(SurvT,nC + 1);
SetLength(Stat,nC + 1); SetLength(Stat,nC + 1);
SetLength(Dupl,nC + 1);
SetLength(Alpha,nC + 1); SetLength(Alpha,nC + 1);
SetLength(x,(nC + 1) * (nR + 1)); SetLength(x,(nC + 1) * (nR + 1));
SetLength(b,nC + 1); SetLength(b,nC + 1);
@ -533,7 +531,6 @@ begin
SurvT := nil; SurvT := nil;
Stat := nil; Stat := nil;
Dupl := nil;
Alpha := nil; Alpha := nil;
x := nil; x := nil;
b := nil; b := nil;

3
applications/lazstats/source/forms/analysis/multivariate/discrimunit.pas
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@ -165,7 +165,7 @@ procedure TDiscrimFrm.ComputeBtnClick(Sender: TObject);
var var
i, j, k, grp, grpvalue, matrow, matcol, noroots, dfchi, n2, k2 : integer; i, j, k, grp, grpvalue, matrow, matcol, noroots, dfchi, n2, k2 : integer;
NoSelected : integer; NoSelected : integer;
outline, GroupLabel, ColHead : string; outline, ColHead: string;
Title : string; Title : string;
GrpVar, NoGrps, nowithin, TotalCases, value, grpno : integer; GrpVar, NoGrps, nowithin, TotalCases, value, grpno : integer;
ColNoSelected : IntDyneVec; ColNoSelected : IntDyneVec;
@ -229,7 +229,6 @@ begin
if GroupVar.Text = OS3MainFrm.DataGrid.Cells[j,0] then if GroupVar.Text = OS3MainFrm.DataGrid.Cells[j,0] then
begin begin
GrpVar := j; GrpVar := j;
GroupLabel := OS3MainFrm.DataGrid.Cells[j,0];
ColNoSelected[NoSelected-1] := j; ColNoSelected[NoSelected-1] := j;
end; end;
end; // next j variable end; // next j variable

3
applications/lazstats/source/forms/analysis/multivariate/medianpolishunit.pas
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@ -104,7 +104,7 @@ end;
procedure TMedianPolishForm.ComputeBtnClick(Sender: TObject); procedure TMedianPolishForm.ComputeBtnClick(Sender: TObject);
var var
NoSelected, DepVarCol, F1Col, F2Col, i, j, k : integer; DepVarCol, F1Col, F2Col, i, j, k : integer;
minrow, maxrow, mincol, maxcol : integer; minrow, maxrow, mincol, maxcol : integer;
intvalue, xrange, yrange, row, col, N, count, iteration : integer; intvalue, xrange, yrange, row, col, N, count, iteration : integer;
X, M, sumrowmedians, sumcolmedians, GrandMedian, scale, TotResid : double; X, M, sumrowmedians, sumcolmedians, GrandMedian, scale, TotResid : double;
@ -167,7 +167,6 @@ begin
if cellstring = Factor1.Text then F1Col := i; if cellstring = Factor1.Text then F1Col := i;
if cellstring = Factor2.Text then F2Col := i; if cellstring = Factor2.Text then F2Col := i;
end; end;
NoSelected := 3;
SetLength(ColNoSelected, 3); SetLength(ColNoSelected, 3);
ColNoSelected[0] := DepVarCol; ColNoSelected[0] := DepVarCol;
ColNoSelected[1] := F1Col; ColNoSelected[1] := F1Col;

8
applications/lazstats/source/units/functionslib.pas
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@ -23,8 +23,8 @@ function probf(f,df1,df2 : extended) : extended;
FUNCTION alnorm(x : double; upper : boolean): double; FUNCTION alnorm(x : double; upper : boolean): double;
procedure ppnd7 (p : double; VAR normal_dev : double; VAR ifault : integer); procedure ppnd7 (p : double; VAR normal_dev : double; VAR ifault : integer);
FUNCTION poly(c : Array of double; nord : integer; x : double): double; // RESULT(fn_val) FUNCTION poly(c : Array of double; nord : integer; x : double): double; // RESULT(fn_val)
procedure swilk (var init : boolean; var x : DblDyneVec; n : integer; n1 : integer; procedure swilk (var init : boolean; const x: DblDyneVec; n, n1, n2: integer;
n2 : integer; var a : DblDyneVec; var w : double; var pw : double; var ifault : integer); const a: DblDyneVec; var w, pw: double; out ifault: integer);
procedure SVDinverse(VAR a : DblDyneMat; N : integer); procedure SVDinverse(VAR a : DblDyneMat; N : integer);
function probt(t,df1 : double) : double; function probt(t,df1 : double) : double;
function inverset(Probt, DF : double) : double; function inverset(Probt, DF : double) : double;
@ -824,8 +824,8 @@ begin
END; // FUNCTION poly END; // FUNCTION poly
//----------------------------------------------------------------------- //-----------------------------------------------------------------------
procedure swilk (var init : boolean; var x : DblDyneVec; n : integer; n1 : integer; procedure swilk (var init: boolean; const x: DblDyneVec; n, n1, n2: integer;
n2 : integer; var a : DblDyneVec; var w : double; var pw : double; var ifault : integer); const a: DblDyneVec; var w, pw: double; out ifault: integer);
// ALGORITHM AS R94 APPL. STATIST. (1995) VOL.44, NO.4 // ALGORITHM AS R94 APPL. STATIST. (1995) VOL.44, NO.4
// Calculates the Shapiro-Wilk W test and its significance level // Calculates the Shapiro-Wilk W test and its significance level

62
applications/lazstats/source/units/matrixlib.pas
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@ -75,24 +75,11 @@ procedure MReg(NoIndep : integer;
VAR errorcode : boolean; VAR errorcode : boolean;
PrintAll : boolean); PrintAll : boolean);
procedure MReg(NoIndep : integer; procedure MReg(NoIndep: integer; const IndepCols: IntDyneVec; DepCol: integer;
{VAR} IndepCols : IntDyneVec; const RowLabels: StrDyneVec;
DepCol : integer; const Means, Variances, StdDevs, BWeights, BetaWeights, BStdErrs, Bttests, tProbs: DblDyneVec;
{VAR} RowLabels : StrDyneVec; out R2, StdErrEst: double; out NCases: integer; out ErrorCode: boolean;
{VAR} Means : DblDyneVec; PrintAll: boolean; AReport: TStrings);
{VAR} Variances : DblDyneVec;
{VAR} StdDevs : DblDyneVec;
{VAR} BWeights : DblDyneVec;
{VAR} BetaWeights : DblDyneVec;
{VAR} BStdErrs : DblDyneVec;
{VAR} Bttests : DblDyneVec;
{VAR} tProbs : DblDyneVec;
VAR R2 : double;
VAR stderrest : double;
VAR NCases : integer;
VAR errorcode : boolean;
PrintAll : boolean;
AReport: TStrings);
procedure Dynnonsymroots(var a : DblDyneMat; nv : integer; procedure Dynnonsymroots(var a : DblDyneMat; nv : integer;
var nf : integer; c : real; var nf : integer; c : real;
@ -132,7 +119,7 @@ procedure MReg2(NCases : integer;
VAR BetaWeights : DblDyneVec; VAR BetaWeights : DblDyneVec;
VAR Means : DblDyneVec; VAR Means : DblDyneVec;
VAR Variances : DblDyneVec; VAR Variances : DblDyneVec;
VAR errorcode : integer; out errorcode : integer;
out StdErrEst: double; out StdErrEst: double;
out constant: double; out constant: double;
probout : double; probout : double;
@ -180,8 +167,8 @@ procedure MatPrint(const xmat: DblDyneMat; Rows,Cols: Integer; const Title: Stri
procedure DynVectorPrint(var AVector: DblDyneVec; NoVars: integer; procedure DynVectorPrint(var AVector: DblDyneVec; NoVars: integer;
Title: string; var Labels: StrDyneVec; NCases: integer); overload; Title: string; var Labels: StrDyneVec; NCases: integer); overload;
procedure DynVectorPrint(var AVector: DblDyneVec; NoVars: integer; procedure DynVectorPrint(const AVector: DblDyneVec; NoVars: integer;
Title: string; var Labels: StrDyneVec; NCases: integer; AReport: TStrings); overload; Title: string; const Labels: StrDyneVec; NCases: integer; AReport: TStrings); overload;
procedure scatplot(const x, y: DblDyneVec; NoCases: integer; procedure scatplot(const x, y: DblDyneVec; NoCases: integer;
const TitleStr, x_axis, y_axis: string; x_min, x_max, y_min, y_max: double; const TitleStr, x_axis, y_axis: string; x_min, x_max, y_min, y_max: double;
@ -709,24 +696,11 @@ begin
ErrorCode, PrintAll, OutputFrm.RichEdit.Lines); ErrorCode, PrintAll, OutputFrm.RichEdit.Lines);
end; end;
procedure MReg(NoIndep : integer; procedure MReg(NoIndep: integer; const IndepCols: IntDyneVec; DepCol: integer;
{var} IndepCols : IntDyneVec; const RowLabels: StrDyneVec;
DepCol : integer; const Means, Variances, StdDevs, BWeights, BetaWeights, BStdErrs, Bttests, tProbs: DblDyneVec;
{var} RowLabels : StrDyneVec; out R2, StdErrEst: double; out NCases: integer; out ErrorCode: boolean;
{var} Means : DblDyneVec; PrintAll: boolean; AReport: TStrings);
{var} Variances : DblDyneVec;
{var} StdDevs : DblDyneVec;
{var} BWeights : DblDyneVec;
{var} BetaWeights : DblDyneVec;
{var} BStdErrs : DblDyneVec;
{var} Bttests : DblDyneVec;
{var} tProbs : DblDyneVec;
var R2 : double;
var StdErrEst : double;
var NCases : integer;
var ErrorCode : boolean;
PrintAll : boolean;
AReport: TStrings);
var var
i, j, N: integer; i, j, N: integer;
X: DblDyneMat; X: DblDyneMat;
@ -754,6 +728,7 @@ begin
SetLength(ColLabels, NCases); SetLength(ColLabels, NCases);
// initialize // initialize
errcode := false;
for i := 0 to NCases do for i := 0 to NCases do
begin begin
for j := 0 to NoIndep do X[i, j] := 0; for j := 0 to NoIndep do X[i, j] := 0;
@ -770,7 +745,6 @@ begin
StdDevs[i] := 0.0; StdDevs[i] := 0.0;
BWeights[i] := 0.0; BWeights[i] := 0.0;
BetaWeights[i] := 0.0; BetaWeights[i] := 0.0;
errcode := false;
for j := 0 to NoCases-1 do XT[i, j] := 0.0; for j := 0 to NoCases-1 do XT[i, j] := 0.0;
for j := 0 to NoIndep do XTX[i, j] := 0.0; for j := 0 to NoIndep do XTX[i, j] := 0.0;
end; end;
@ -888,7 +862,7 @@ begin
// Get standard errors, squared multiple correlation, tests of significance // Get standard errors, squared multiple correlation, tests of significance
SSres := 0.0; SSres := 0.0;
for i := 0 to NoIndep do for i := 0 to NoIndep do
SSres := SSres + (BWeights[i] * XTY[i]); SSres := SSres + BWeights[i] * XTY[i];
SSres := SSY - SSres; SSres := SSY - SSres;
resvar := SSres / (NCases - N); resvar := SSres / (NCases - N);
if resvar > 0.0 then StdErrEst := sqrt(resvar) else StdErrest := 0.0; if resvar > 0.0 then StdErrEst := sqrt(resvar) else StdErrest := 0.0;
@ -1290,7 +1264,7 @@ procedure MReg2(NCases : integer;
VAR BetaWeights : DblDyneVec; VAR BetaWeights : DblDyneVec;
VAR Means : DblDyneVec; VAR Means : DblDyneVec;
VAR Variances : DblDyneVec; VAR Variances : DblDyneVec;
VAR errorcode : integer; out errorcode : integer;
out StdErrEst: double; out StdErrEst: double;
out constant: double; out constant: double;
probout : double; probout : double;
@ -1900,10 +1874,10 @@ begin
DynVectorPrint(AVector, NoVars, Title, Labels, NCases, OutputFrm.RichEdit.Lines); DynVectorPrint(AVector, NoVars, Title, Labels, NCases, OutputFrm.RichEdit.Lines);
end; end;
procedure DynVectorPrint(var AVector: DblDyneVec; procedure DynVectorPrint(const AVector: DblDyneVec;
NoVars: integer; NoVars: integer;
Title: string; Title: string;
var Labels: StrDyneVec; const Labels: StrDyneVec;
NCases: integer; NCases: integer;
AReport: TStrings); AReport: TStrings);
var var