database - How many Observations in SAS Sample Data Output -

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i have sample sas output , need find out how many observations , compute t-statistic beta1. can me started on how go doing this?

sample sas output

to number of obs in dataset can run code.

data _null_; put nobs=; stop; set sashelp.class nobs=nobs; run;

a proc reg give summary statistics need, namely, t-value, beta1 , beta null, intercepts of regression equation. here simple easy follow example http://support.sas.com/documentation/cdl/en/statug/63962/html/default/viewer.htm#statug_reg_sect003.htm


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