what are methods to identify duplicate observations?

5 Answers   HCL,

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We want to merge file A and B. File A has variable age, file B provide birthdate. How to merge the data according to age in file B

3 Answers  

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For what purpose would you use the RETAIN statement?

0 Answers   Quintiles,

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if reading an external file to produce an external file, what is the shortcut to write that record without coding every single variable on the record

4 Answers   HSBC,

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Did you used proc lifetest? when?

2 Answers   Accenture, Parexel, Quintiles,

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Is the physical structure of the data set in the same orientation as the report? Do you need to reshape the data sets? What method should you use to reshape the data–DATA steps,PROC TRANSPOSE,output data set from a procedure?

0 Answers  

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what is factor analysis? : Sas-administrator

0 Answers  

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Have you been involved in editing the data or writing data queries?

1 Answers   BioServe, Oracle, Sasken,

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How would you code a macro statement to produce information on the sas log? This statement can be coded anywhere? : sas-macro

0 Answers  

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For clinical entire study how many tables will create approx?

0 Answers   TCS,

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Explain append procedure?

0 Answers  

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What is the purpose of using the N=PS option?

2 Answers   Oracle,

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