What are some problems you might encounter in processing missing values? In Data steps? Arithmetic? Comparisons? Functions? Classifying data?
Answer / aditya panwar
The result of any operation with missing value will result in missing value. Most SAS statistical procedures exclude observations with any missing variable values from an analysis.
Is This Answer Correct ? | 0 Yes | 0 No |
There is a field containing a date. It needs to be displayed in the format “ddmonyy” if it’s before 1975,”dd mon ccyy” if it’s after 1985, and as ‘disco years’ if its between 1975 and 1985. How would you accomplish this in data step code? Using only PROC FORMAT.
Which statement does not perform automatic conversions in comparisons?
What are common programming errors committed in sas
What is the difference between Regression and Logistic Regression? Can u explain the Assumptions/Conditions?
what is the difference between %put and symbolgen?
what type of graphs we will create(for 2+years candidates)?
For what purposes have you used sas macros? : sas-macro
hi guys ...i have one query... data abc; input s w k g o t a m; cards; 1 2 3 4 5 6 7 8 2 3 4 5 6 7 8 9 ; run; i want the output to be the sorted order(only variables).observations should not be changed..
What SAS statements would you code to read an external raw data file to a DATA step?
What Proc glm does?
what are the scrubbing procedures in sas? : Sas programming
how do you test for missing values? : Sas programming