how do you test for missing values? : Sas programming
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what are some differences between proc summary and proc means? : Sas programming
Describe the ways in which you can create a macro variable?
what is the use of proc contents and proc print in sas? : Sas-administrator
Mention sas system options to debug sas macros.
In which case u go for libname and in which case u go for proc sql pass thru facilit diff?
Explain what is the use of proc gplot?
Which is the best training Institute for SAS Business Intelligence course?
When looking for data contained in a character string of 150 bytes, which function is the best to locate that data: scan, index, or indexc?
Enlist the syntax rules followed in sas statements.
what is the difference between the SAS v8 and SAS v9?
/* This is example of age caluculate wihtout to display perfect days and years in output window */ data age; retain dob "12jun2003"d now "24may2011"d; age1=now-dob; age=(now-dob)/365.25; years=int(age); days1=round((age-years)*365.25); months=month(now)-1; if days1 gt 30 and months in(12,10,8,6,4,2)then do; month1=days1/30.4375; month=int(days1/30.4375); if day(now)=1 then days=1; else days=round((month1-month)*30.4375)+1; drop days1 month1 month; end; else if days1 gt 30 and months in (1,3,5,7,9,11)then do; month1=days1/30.4375; month=int(days1/30.4375); if day(now)=1 then days=1; else days=round((month1-month) *30.4375); drop days1 month1 month; end; drop age age1; proc print data=age; format dob now date.; run;
How to specify variables to be processed by the freq procedure?