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04-23-2010 03:45 PM

I think I want to do a logistic regression model, but I'm not sure.

I have a dichotomous outcome with 10 independent variables, some are continuous, some are categorical.

Which procedure do I use to look at the relationship between the outcome variable and each one of the independent variables?

Which procedure do I use to look at the relationship between my outcome variable and the significant independent variables in model building?

How do I know which independent variables to test interactions for?

Thanks for any help you can offer!

I have a dichotomous outcome with 10 independent variables, some are continuous, some are categorical.

Which procedure do I use to look at the relationship between the outcome variable and each one of the independent variables?

Which procedure do I use to look at the relationship between my outcome variable and the significant independent variables in model building?

How do I know which independent variables to test interactions for?

Thanks for any help you can offer!

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04-23-2010 09:20 PM

> I think I want to do a logistic regression model, but

> I'm not sure.

>

> I have a dichotomous outcome with 10 independent

> variables, some are continuous, some are

> categorical.

>

That would seem to indicate a logistic regression

> Which procedure do I use to look at the relationship

> between the outcome variable and each one of the

> independent variables?

PROC LOGISTIC is the easiest one to learn

PROC LOGISTIC DATA = MYDATA;

MODEL DEPVAR = IV1;

RUN;

and repeat for the others.

>

> Which procedure do I use to look at the relationship

> between my outcome variable and the significant

> independent variables in model building?

>

again PROC LOGISTIC but you don't want to do bivariate screening.

> How do I know which independent variables to test

> interactions for?

>

Theory

Peter

> I'm not sure.

>

> I have a dichotomous outcome with 10 independent

> variables, some are continuous, some are

> categorical.

>

That would seem to indicate a logistic regression

> Which procedure do I use to look at the relationship

> between the outcome variable and each one of the

> independent variables?

PROC LOGISTIC is the easiest one to learn

PROC LOGISTIC DATA = MYDATA;

MODEL DEPVAR = IV1;

RUN;

and repeat for the others.

>

> Which procedure do I use to look at the relationship

> between my outcome variable and the significant

> independent variables in model building?

>

again PROC LOGISTIC but you don't want to do bivariate screening.

> How do I know which independent variables to test

> interactions for?

>

Theory

Peter

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04-23-2010 09:28 PM

Thank you!