Multiple Regression in SPSS - University of Michigan



Multiple Regression in SPSS

* ******************************************************************

* SPSS EXAMPLE 3:

* MULTIPLE LINEAR REGRESSION AND DIAGNOSTICS

* *****************************************************************.

GET FILE="e:\510\2006\werner.sav".

*-------------------------------------------------------------------------COMPUTE A NEW VARIABLE.

COMPUTE WTALB = WEIGHT + ALB.

EXECUTE.

*-------------------------------------------------------------------------------DESCRIPTIVES.

DESCRIPTIVES

VARIABLES=chol age calcium acid alb weight wtalb

/STATISTICS=MEAN STDDEV MIN MAX .

[pic]

*---------------------------------------------------------------LISTWISE MISSING CORRELATIONS.

CORRELATIONS

/VARIABLES=CHOL AGE CALCIUM ACID ALB WEIGHT WTALB

/PRINT=TWOTAIL NOSIG

/STATISTICS DESCRIPTIVES

/MISSING=LISTWISE .

[pic]

[pic]

*---------------------------------------------------------------PAIRWISE MISSING CORRELATIONS.

CORRELATIONS

/VARIABLES=CHOL AGE CALCIUM ACID ALB WEIGHT WTALB

/PRINT=TWOTAIL NOSIG

/STATISTICS DESCRIPTIVES

/MISSING=PAIRWISE .

[pic]

[pic]

*-------------------------------------------------------------------------------SCATTER PLOT MATRIX.

GRAPH

/SCATTERPLOT(MATRIX)=CHOL AGE CALCIUM ACID ALB WEIGHT WTALB

/MISSING=LISTWISE .

[pic]

*------------------------------------------------------MULTIPLE REGRESSION CHECK COLLINEARITY.

REGRESSION

/MISSING LISTWISE

/STATISTICS COEFF OUTS R ANOVA COLLIN TOL

/CRITERIA=PIN(.05) POUT(.10)

/NOORIGIN

/DEPENDENT CHOL

/METHOD=ENTER AGE CALCIUM ACID ALB WEIGHT

/SCATTERPLOT=(*SDRESID ,*ZPRED )

/RESIDUALS HIST(ZRESID) NORM(ZRESID)

/SAVE PRED COOK RESID SDRESID DFFIT .

[pic]

[pic]

[pic]

[pic]

[pic][pic]

[pic]

*-------------------------------------MULTIPLE REGRESSION DEFINITE COLLINEARITY PROBLEM.

*-------------------------------------NOTE: SPSS REFUSES TO INCLUDE WEIGHT IN THE MODEL.

REGRESSION

/MISSING LISTWISE

/STATISTICS COEFF OUTS R ANOVA COLLIN TOL

/CRITERIA=PIN(.05) POUT(.10)

/NOORIGIN

/DEPENDENT CHOL

/METHOD=ENTER AGE CALCIUM ACID ALB WEIGHT WTALB.

[pic]

[pic]

*--------------------------------------------------------------STEPWISE REGRESSION.

REGRESSION

/MISSING LISTWISE

/STATISTICS COEFF OUTS R ANOVA CHANGE

/CRITERIA=PIN(.05) POUT(.10)

/NOORIGIN

/DEPENDENT CHOL

/METHOD=STEPWISE AGE CALCIUM ACID ALB WEIGHT .

[pic]

[pic]

[pic]

[pic]

[pic]

*--------------------------------------------------------------BACKWARD SELECTION METHOD.

REGRESSION

/MISSING LISTWISE

/STATISTICS COEFF OUTS R ANOVA CHANGE

/CRITERIA=PIN(.05) POUT(.10)

/NOORIGIN

/DEPENDENT CHOL

/METHOD=BACKWARD AGE CALCIUM ACID ALB WEIGHT .

[pic]

[pic]

[pic]

[pic]

[pic]

*-------------------------------------------------------------ENTER VARIABLES IN BLOCKS.

REGRESSION

/MISSING LISTWISE

/STATISTICS COEFF OUTS ANOVA CHANGE

/CRITERIA=PIN(.05) POUT(.10) CIN(95)

/NOORIGIN

/DEPENDENT chol

/METHOD=ENTER AGE WEIGHT /METHOD=ENTER CALCIUM ACID /METHOD=ENTER ALB .

[pic]

[pic]

[pic]

[pic]

[pic]

................
................

In order to avoid copyright disputes, this page is only a partial summary.

Google Online Preview   Download