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05-14-2010 11:25 AM

Hello all,

I am new in statistics and sas, so I will try to make my question as clear as possible.

I need to find the statistical significant differences between two different variables in the same dataset for each treatment level.

I used the proc compare but i am taking just the differences between the values.

Any idea what command to use to run a post hoc test between two different variables

I am new in statistics and sas, so I will try to make my question as clear as possible.

I need to find the statistical significant differences between two different variables in the same dataset for each treatment level.

I used the proc compare but i am taking just the differences between the values.

Any idea what command to use to run a post hoc test between two different variables

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05-14-2010 11:45 AM

You cannot test whether or not two variables are statistically different, but you can test if statistics computed from those variables are different.

Are you referring to mean differences, standard deviation differences, or something else?

Are you referring to mean differences, standard deviation differences, or something else?

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05-14-2010 11:55 AM

I am interested for the means

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05-15-2010 02:27 AM

Is it matched observations?

if it is not ,then use proc ttest

if it is ,then use proc univariate

if it is not ,then use proc ttest

if it is ,then use proc univariate