Re: PSPP-BUG: bug in pspp

[John Darrington]

On Wed, Mar 26, 2014 at 02:54:11PM +0100, Michael Schneider wrote:
      
     there is bug in pspp.
      
     In the t-test for independent samples, the standard error of the
     differences of means with equal variances is not calculated correctly.
      
     In this case, the standard error for differences of mean values ​​is
     performed by independent samples with unequal variances. 
      
     Please compare the indentical analyzes of SPSS and PSPP.

Thank you for the bug report.

Are you able to send us the .sav file you used to generate these reports?

      
     Second, second, for biostatistical analysis a three digit
     representation of the results is desirable.

You can set this to whatever level of precision you like. See the information 
at https://www.gnu.org/software/pspp/faq.html#Precision

Thanks,

John


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