sas macros

12 Answers   TCS,

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what is Global Symbol table and Local symbol table?

4 Answers   CitiGroup,

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i have a dataset with 100000 records. i want 100 records from that dataset and create a dataset.we need to pick the observations random order like 100obs,500obs,1020obs,1890obs,2565obs like that i need 100 obs in random order? how can we create this one?

5 Answers   L&T,

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Describe crosslist option in tables statement?

0 Answers  

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What are the efficacy variables in your study?

2 Answers   Accenture, Quintiles,

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· What are some good SAS programming practices for processing very large data sets?

6 Answers   Quintiles,

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Describe the ways in which you can create a macro variable?

0 Answers  

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How would you code a merge that will write the matches of both to one data set, the non-matches from the left-most data?

0 Answers  

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What SAS statements would you code to read an external raw data file to a DATA step?

10 Answers   NIIT,

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how to know the attributes of first five datasets in a library

2 Answers  

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which stats created by proc means that are not created by proc summary or vice versa?

2 Answers   GSK,

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What is substr function?

0 Answers  

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