What is the difference between a PROC step and a DATA step?

14 Answers   Accenture, HSBC,

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If reading a variable length file with fixed input, how would you prevent SAS from reading the next record if the last variable didn’t have a value?

3 Answers   Accenture,

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Hi, If anyone has base SAS certification dumps, please share.

0 Answers  

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What is difference between Global n Local Macro Variables..?

6 Answers   TCS,

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How many versions came upto now in SAS?

3 Answers   CTS, TCS,

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What are the analysis datasets created, and what are the new variables created in CLINICAL SAS

1 Answers   Accenture, Sciformix,

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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  

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What is the function of Stop statement in a SAS Program?

0 Answers  

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How would you define the end of a macro?

0 Answers  

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To what type of programms have you used scratch macros?

0 Answers   Novartis,

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what is hierarchy flattening? : Sas-di

0 Answers  

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data task; input id date date9. visit; cards; 101 01jan2015 1 101 02jan2015 2 101 06jan2015 3 102 04jan2015 1 102 07jan2015 2 102 12jan2015 3 103 06jan2015 1 103 13jan2015 2 ; run; write a program to find out missing dates between visits by each subject.

1 Answers  

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