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From | Traci Schlesinger <traci.schlesinger@gmail.com> |
To | statalist@hsphsun2.harvard.edu |
Subject | st: too many base levels specified? |
Date | Mon, 6 Dec 2010 10:33:11 -0800 |
Fellow Stata Users: I am analyzing racial disparities in criminal justice outcomes using both logistic and reg on individual-level data split by sentencing structure. I first run the models on states with traditional codes and then on states with presumptive guidelines. I am using the SUEST command so that I can compare the values of the variables "black" and "latino" across these two models. In other words, I want to know if the value of "black", for example, is different in states with traditional codes than in states with presumptive guidelines. here is (part of) my code: logistic incarcerate black latino young1 young2 drugt totchgs2 chg1att second_fel cjstatus priarr prifconv primconv pripris y1998 y2000 y2002 y2004 y2006 i.county if guidelines_cat == 0; est store a; logistic incarcerate black latino young1 young2 drugt totchgs2 chg1att second_fel cjstatus priarr prifconv primconv pripris y1998 y2000 y2002 y2004 y2006 i.county if guidelines_cat == 2; est store b; suest a b; test [a_incarcerated]black=[b_incarcerated]black; test [a_incarcerated]latino=[b_incarcerated]latino; While this code is very similar to codes I have used in the past, I am getting the error code "too many base levels specified r(198);" when stata gets to the "suest a b;" line. What does this mean? And, is there anything I can do about it? thank you in advance for any help on this! traci * * For searches and help try: * http://www.stata.com/help.cgi?search * http://www.stata.com/support/statalist/faq * http://www.ats.ucla.edu/stat/stata/