Hi, this is data I have.  dependent var: outcome (1=cured 2=not cured) independent var : treatment (1=A, 2=B, 3=C)                                diagnosis (1=contaminated, 2= uncontaminated)   This is code for logistic regression proc logistic data=test; class outcome treatment diagnosis/ param=reference; model outcome= treatment diagnosis; run;   and I got this (ref variable treatment 3 and diagnosis 2)   If I have to write model, is this correct? I dont have to include reference variable in the full equation? logit(cured)=1.42 +0.58(Treatment1)+1.56(Treatment2) - 0.96(diagnosis 1)   How can I find full model? Am I doing the right thing?   ... View more

Hi, I am very beginner in SAS. I have date variable and  'daily COVID cases' variable. When I make sgplot (xaxis=date and yaxis=# of cases), I only get a few tick marks on x axis. I want to add tick marks for each day. I have been searching to solve this problem for 4 days but none of article worked or I couldn't understand their explanations.....again I am very beginner, please explain basic details if you can.. Thank you so much. This is my code.  What should be fixed?     proc sgplot data=after; series x=date y=New_cases_fu; xaxis interval=day label=' ' values=('08JUL2020'd to '16sep2020'd by 1) ; yaxis label=" New cases"; RUN;     ... View more