topic how to conduct Z test in SAS(maybe P value of Chi-square statistic) in Statistical Procedures https://communities.sas.com/t5/Statistical-Procedures/how-to-conduct-Z-test-in-SAS-maybe-P-value-of-Chi-square/m-p/50733#M2236 <HTML><HEAD></HEAD><BODY><P>Take a look at: <A href="http://support.sas.com/kb/22/896.html">http://support.sas.com/kb/22/896.html</A></P><P></P><P>Plus, one can often discover how to use SAS to do most tests at: <A href="http://support.sas.com/kb/30/333.html">http://support.sas.com/kb/30/333.html</A></P></BODY></HTML> Sat, 19 Nov 2011 15:20:27 GMT art297 2011-11-19T15:20:27Z how to conduct Z test in SAS(maybe P value of Chi-square statistic) https://communities.sas.com/t5/Statistical-Procedures/how-to-conduct-Z-test-in-SAS-maybe-P-value-of-Chi-square/m-p/50732#M2235 <HTML><HEAD></HEAD><BODY><P>Hi,</P><P>I am trying to conduct a Z test in SAS, which means compare the regression cofficients between two subsample.</P><P></P><P>model:</P><P>Y=b0+b1*x1+b2*x2...+bn*xn+error</P><P></P><P>the Z statistic goes like this</P><P>Z=(b1_sub1-b1_sub2)/sqrt(var(b1_sub1)+var(b1_sub2));</P><P>this statistic follows a chi-square distrubution, I think. (well, frankly, I am not sure on this)</P><P></P><P>If I want to get the P-value, what should I do?</P><P></P><P>BTW, this test is proposed by Clogg, C., E. Petkova, and A. Haritou. 1995. Statistical methods for comparing regression coefficients</P><P>between models. American Journal of Sociology</P></BODY></HTML> Sat, 19 Nov 2011 12:45:56 GMT https://communities.sas.com/t5/Statistical-Procedures/how-to-conduct-Z-test-in-SAS-maybe-P-value-of-Chi-square/m-p/50732#M2235 rpg163 2011-11-19T12:45:56Z how to conduct Z test in SAS(maybe P value of Chi-square statistic) https://communities.sas.com/t5/Statistical-Procedures/how-to-conduct-Z-test-in-SAS-maybe-P-value-of-Chi-square/m-p/50733#M2236 <HTML><HEAD></HEAD><BODY><P>Take a look at: <A href="http://support.sas.com/kb/22/896.html">http://support.sas.com/kb/22/896.html</A></P><P></P><P>Plus, one can often discover how to use SAS to do most tests at: <A href="http://support.sas.com/kb/30/333.html">http://support.sas.com/kb/30/333.html</A></P></BODY></HTML> Sat, 19 Nov 2011 15:20:27 GMT https://communities.sas.com/t5/Statistical-Procedures/how-to-conduct-Z-test-in-SAS-maybe-P-value-of-Chi-square/m-p/50733#M2236 art297 2011-11-19T15:20:27Z how to conduct Z test in SAS(maybe P value of Chi-square statistic) https://communities.sas.com/t5/Statistical-Procedures/how-to-conduct-Z-test-in-SAS-maybe-P-value-of-Chi-square/m-p/50734#M2237 <HTML><HEAD></HEAD><BODY><P>THX! I will have a look.</P></BODY></HTML> Mon, 21 Nov 2011 11:25:36 GMT https://communities.sas.com/t5/Statistical-Procedures/how-to-conduct-Z-test-in-SAS-maybe-P-value-of-Chi-square/m-p/50734#M2237 rpg163 2011-11-21T11:25:36Z