Q8) Explain BMDP procedure?Īns: For analyzing data BMPD procedure is used. Q7) Explain APPEND procedure?Īns: APPEND means adding at the end so in terms of SAS we can say adding one sas data set to another sas data set. Q6) What do you mean by CALL PRXFREE Routine?Īns: CALL PRXFREE routine is used for Character String Matching and is used for allocation of free memory for perl regular expression. Q5) Explain PROC UNIVARIATE?Īns: PROC UNIVARIATE is used for elementary numeric analysis and will examine how data is distributed. Q4) Explain PROC SORT?Īns: PROC SORT sorts SAS data set by variables so that a new data set can be prepared for further use. Q3) Explain SUBSTR function?Īns: SUBSTR function is used for extracting a string or replacing contents of character value. Q2) In SAS explain which statement does not perform automatic conversions in comparisons?Īns: By using WHERE statements automatic conversions can’t be performed because WHERE statement variables exist in the data set. These are the two ways for validating an SAS program. Q1) How can SAS program can be validated?Īns: By writing OPTIONS OBS=0 at the starting of the code and if execution of code is On PC SAS than log will be detected itself by highlighted colors.
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