what is the difference between calculating the 'mean' using the mean function and proc means? : Sas programming

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What is the order of evaluation of the following operators + - * / ** () ???

2 Answers  

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What is SAS informats?

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How can you create a macro variable with in data step? : sas-macro

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How many missing values are available? When might you use them?

1 Answers   Quintiles,

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data data1; input dt account; format dt date9.; cards; 1745 1230 1756 1120 1788 1130 1767 1240 ; data data2; input startdt enddt total; format startdt date9. enddt date9.; cards; 1657 1834 12300 1557 1758 16800 1789 1789 12300 1788 1345 12383 1899 1899 13250 ; proc sql; create table data3 as select * from data1 as x left join data2 as y on x.dt>=y.startdt and x.dt<=y.enddt; quit; Here, we are getting cartision product. But,I want left join report consisting of this program. It should not get duplicate values. you can modify the program also.

1 Answers  

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When looking for data contained in a character string of 150 bytes, which function is the best to locate that data: scan, index, or indexc?

2 Answers   Accenture,

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You have a data set of 100 observations,how can you restrict the output so that the output has only data from row no. 10 to row no. 20

9 Answers  

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Hi,by usining ptf how we have to combine (likr merge)10 datasets at a time in the oracle database(and write a macro code also)?Like this i have a douts a lot if you dont mind may please send one text mail for me(madhusudhanap16@gmail.com)?

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How do i read multiple spaces in datasets?

4 Answers   Quintiles,

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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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Differentiate between ceil and floor functions.

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