topic Re: Graph with two regression lines in Statistical Procedures https://communities.sas.com/t5/Statistical-Procedures/Graph-with-two-regression-lines/m-p/21095#M651 Thank you for your reply.<BR /> <BR /> I know that, but I really wanted a graph <span class="lia-unicode-emoji" title=":slightly_smiling_face:">🙂</span> Thu, 03 Mar 2011 00:34:42 GMT Desperate_student 2011-03-03T00:34:42Z Graph with two regression lines https://communities.sas.com/t5/Statistical-Procedures/Graph-with-two-regression-lines/m-p/21091#M647 . Message was edited by: Desperate_student Wed, 02 Mar 2011 22:22:37 GMT https://communities.sas.com/t5/Statistical-Procedures/Graph-with-two-regression-lines/m-p/21091#M647 Desperate_student 2011-03-02T22:22:37Z Re: Graph with two regression lines https://communities.sas.com/t5/Statistical-Procedures/Graph-with-two-regression-lines/m-p/21092#M648 If you are using proc gplot look into the overlay option for the plot statement. Wed, 02 Mar 2011 22:29:36 GMT https://communities.sas.com/t5/Statistical-Procedures/Graph-with-two-regression-lines/m-p/21092#M648 RickM 2011-03-02T22:29:36Z Re: Graph with two regression lines https://communities.sas.com/t5/Statistical-Procedures/Graph-with-two-regression-lines/m-p/21093#M649 Thanx will try that, but not sure if it will work! Wed, 02 Mar 2011 23:44:25 GMT https://communities.sas.com/t5/Statistical-Procedures/Graph-with-two-regression-lines/m-p/21093#M649 Desperate_student 2011-03-02T23:44:25Z Re: Graph with two regression lines https://communities.sas.com/t5/Statistical-Procedures/Graph-with-two-regression-lines/m-p/21094#M650 You can use an analysis of covariance to test whether the slopes of the two lines are equal. Thu, 03 Mar 2011 00:31:05 GMT https://communities.sas.com/t5/Statistical-Procedures/Graph-with-two-regression-lines/m-p/21094#M650 Susan 2011-03-03T00:31:05Z Re: Graph with two regression lines https://communities.sas.com/t5/Statistical-Procedures/Graph-with-two-regression-lines/m-p/21095#M651 Thank you for your reply.<BR /> <BR /> I know that, but I really wanted a graph <span class="lia-unicode-emoji" title=":slightly_smiling_face:">🙂</span> Thu, 03 Mar 2011 00:34:42 GMT https://communities.sas.com/t5/Statistical-Procedures/Graph-with-two-regression-lines/m-p/21095#M651 Desperate_student 2011-03-03T00:34:42Z