How substr function works in sas?
Give an example where SAS fails to convert character value to numeric value automatically?
What are the automatic variables for macro? : sas-macro
what is null hypothesis? why do you consider that?
What is factor analysis?
what are some problems you might encounter in processing missing values? In data steps? Arithmetic? Comparisons? Functions? Classifying data? : Sas programming
What is substr function?
What is the difference between nodupkey and nodup options?
What is the purpose of _character_ and _numeric_?
Can you suggest us materials for sdtm mapping?
What do you code to create a macro? : sas-macro
Explain proc sort?
what versions of sas have you used (on which platforms)? : Sas programming
What are the differences between sum function and using “+” operator?
Explain bmdp procedure?