Running proc logistic with a categorical variable getting 0 as estimate for the parameters, not sure what is wrong with the code.
data tonsils; input virus $ size $ count ; cards; Carrier Normal 19 Carrier Slightly 29 Carrier Very 24 NonCarrier Normal 497 NonCarrier Slightly 560 NonCarrier Very 269 ; proc logistic data=tonsils; class size (ref='Normal') / order=data param=ref ; model virus=size / lackfit cl; output out=predict pred=prob reschi=pearson resdev=deviance; Title "Virus=Tonsil size"; run;
It's finally time to hack! Remember to visit the SAS Hacker's Hub regularly for news and updates.
Learn how use the CAT functions in SAS to join values from multiple variables into a single value.
Find more tutorials on the SAS Users YouTube channel.
Ready to level-up your skills? Choose your own adventure.