What are the differences between sum function and using “+” operator?

0 Answers  

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In PROC PRINT, can you print only variables that begin with the letter “A”?

8 Answers  

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How to convert a numeric variable to a character variable?

0 Answers  

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explain the key concept of sas? : Sas-administrator

0 Answers  

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what other SAS features do you use for error trapping and data validation?

3 Answers   Quintiles,

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i have a macro variable var1,var2. i want titles for the each macro variable separately? how it is possible?

1 Answers   L&T,

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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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Could you please answers for this. 1.Code the tables statement for a single-level (most common) frequency. 2.Code the tables statement to produce a multi-level frequency.

2 Answers  

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what are methods to identify duplicate observations?

5 Answers   HCL,

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Explain the special input delimiters used in sas programming.

0 Answers  

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How do you add a number to a macro variable?

3 Answers  

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what does .. meant in sas macros

3 Answers   D&B,

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