topic how to compare regression results? in Statistical Procedures https://communities.sas.com/t5/Statistical-Procedures/how-to-compare-regression-results/m-p/127084#M6678 <HTML><HEAD></HEAD><BODY><P>Hello, All</P><P></P><P>Suppose I have two datasets: dataset_1 and dataset_2. The two datasets have same variables (variables Y and X, and variable Y is binary); however, the observations of two datasets are different. </P><P></P><P>I did logistic regressions on two datasets, respectively; and I got coefficients of X from each regression, say, coefficient_X_dataset_1, and coefficient_X_dataset_2.</P><P></P><P>My question is : how can we know if these two coefficients are significantly different?</P></BODY></HTML> Sat, 26 May 2012 01:29:05 GMT doudou66 2012-05-26T01:29:05Z how to compare regression results? https://communities.sas.com/t5/Statistical-Procedures/how-to-compare-regression-results/m-p/127084#M6678 <HTML><HEAD></HEAD><BODY><P>Hello, All</P><P></P><P>Suppose I have two datasets: dataset_1 and dataset_2. The two datasets have same variables (variables Y and X, and variable Y is binary); however, the observations of two datasets are different. </P><P></P><P>I did logistic regressions on two datasets, respectively; and I got coefficients of X from each regression, say, coefficient_X_dataset_1, and coefficient_X_dataset_2.</P><P></P><P>My question is : how can we know if these two coefficients are significantly different?</P></BODY></HTML> Sat, 26 May 2012 01:29:05 GMT https://communities.sas.com/t5/Statistical-Procedures/how-to-compare-regression-results/m-p/127084#M6678 doudou66 2012-05-26T01:29:05Z Re: how to compare regression results? https://communities.sas.com/t5/Statistical-Procedures/how-to-compare-regression-results/m-p/127085#M6679 <HTML><HEAD></HEAD><BODY><P>You may want to look into PROC TTEST.&nbsp; It can compare data that comes from summary statistics.&nbsp; The work will be in getting your coefficient datasets into shape, with the necessary labeled variables (mean, standard deviation, number of observations).</P><P></P><P>Good luck</P><P></P><P>Steve Denham</P></BODY></HTML> Tue, 29 May 2012 12:30:07 GMT https://communities.sas.com/t5/Statistical-Procedures/how-to-compare-regression-results/m-p/127085#M6679 SteveDenham 2012-05-29T12:30:07Z Re: how to compare regression results? https://communities.sas.com/t5/Statistical-Procedures/how-to-compare-regression-results/m-p/127086#M6680 <HTML><HEAD></HEAD><BODY><P>Sorry for the late response and thank you very much.</P></BODY></HTML> Fri, 01 Jun 2012 01:45:59 GMT https://communities.sas.com/t5/Statistical-Procedures/how-to-compare-regression-results/m-p/127086#M6680 doudou66 2012-06-01T01:45:59Z