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10-06-2015 12:15 PM

hello

i have question about corr procedures

i use fisher option.... so i want to know how sas calculate the P-value.(i mean what is the equation for it if I want to calculate it by hand)

thank you

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Posted in reply to walaa

10-06-2015 12:43 PM

In the online documentation for the Corr procedure, at least for SAS 9.2, there is a detail page on "Fisher's z transformation", search the help for the phrase or go through the documentation on the Corr procedure. There is a section called Details: Corr Procedure that has most of the calculations used.

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Posted in reply to walaa

10-06-2015 12:43 PM

The documentation doesn't provide what you need?

https://support.sas.com/documentation/cdl/en/procstat/63104/HTML/default/viewer.htm#procstat_corr_se...

https://support.sas.com/documentation/cdl/en/procstat/63104/HTML/default/viewer.htm#procstat_corr_se...

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Posted in reply to Reeza

10-06-2015 01:20 PM

it has equation but it does not give the same answer for SAS

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Posted in reply to walaa

10-06-2015 01:56 PM

You may need to provide details on what you mean by

walaa wrote:

it has equation but it does not give the same answer for SAS

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Posted in reply to ballardw

10-06-2015 02:16 PM

i find the equation for calculate P-value when i try to do it by hand it give me different answer from SAS

for example

r=0.77349 rho=0.6 and n=26 based to the equation the P-value is 0.32381

but the P-value that SAS give me is 0.1204 and you see it is not equal