"What is the difference between proc sort nodup and proc sort nodupkey?"

2 Answers  

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data voter; input Age Party : $1. (Ques1-Ques4)($1. + 1); datalines; 23 D 1 1 2 2 45 R 5 5 4 1 67 D 2 4 3 3 39 R 4 4 4 4 19 D 2 1 2 1 75 D 3 3 2 3 57 R 4 3 4 4 ; Idont understand what the (Ques1-Ques4)($1. + 1) means. I have seen (Ques1-Ques4)(4*$1.), but what is (Ques1-Ques4)($1. + 1)? Appreciate all help Thanks

3 Answers  

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what is the difference between sas and other datawarehousing languages?what are the advantages of sas over them?

2 Answers   Accenture, Infosys,

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for what purpose would you use the retain statement? : Sas programming

0 Answers  

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what is validvarname and varnum? why we are using this options; explain with a syntax for this options?

1 Answers   Max India,

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Name statements that are recognized at compile time only?

6 Answers  

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In the SAS Data step what is the difference between the subsetting done by Where and subsetting done by If?

6 Answers   Cognizant,

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Mention some common errors that are usually committed in sas programming.

0 Answers  

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explain the main difference between the nodup and nodupkey options? : Sas-administrator

0 Answers  

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How to find out no. of business days in a month using macros.???(excluding weekends and holidays).

2 Answers   HSBC,

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What is the command used to find missing values?

0 Answers  

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What are symget and symput? : sas-macro

0 Answers  

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