Which is the best place to learn SAS clinicals and Oracle clinical in hyderabad?

2 Answers  

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Explain the purpose of substr functions in sas programming.

0 Answers  

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what is intially documentation for a sas programmer?

2 Answers   Accenture,

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what is the main difference between rename and label? (don't say that they both perform the same function).

11 Answers   Parexel,

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Give e an example of..

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Difference b/n proc means and proc summary procedures?

3 Answers   Accenture,

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I have a dataset concat having variable a b & c. How to rename a b to e & f?

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What is interleaving in SAS?

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Dear all, proc means data=dsn noprint completetypes; class trtmntgroup /preloadfmt; output out=tot n=n; format trtmntgroup trtf. ; by vstgrp descending severity; run; This is the code I used for AE table. I got the values without giving the variable ‘trtmntgroup(numeric)’ in var statement. And if I give the var statement for that variable i’m getting the same values.How is that possible? What is the difference between class and var statement? Could any one explain me how does proc means work at the back end. And what is the difference between _freq_ value and N value in proc means. Thanks and regards, Rajesh.

1 Answers  

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what is sas and what are the functions? : Sas-administrator

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/* This is example of age caluculate wihtout to display perfect days and years in output window */ data age; retain dob "12jun2003"d now "24may2011"d; age1=now-dob; age=(now-dob)/365.25; years=int(age); days1=round((age-years)*365.25); months=month(now)-1; if days1 gt 30 and months in(12,10,8,6,4,2)then do; month1=days1/30.4375; month=int(days1/30.4375); if day(now)=1 then days=1; else days=round((month1-month)*30.4375)+1; drop days1 month1 month; end; else if days1 gt 30 and months in (1,3,5,7,9,11)then do; month1=days1/30.4375; month=int(days1/30.4375); if day(now)=1 then days=1; else days=round((month1-month) *30.4375); drop days1 month1 month; end; drop age age1; proc print data=age; format dob now date.; run;

1 Answers   Emerio,

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How do you add a prefix to some or all variables in a dataset using a SAS macro?

2 Answers  

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