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What is the registered Key word is sas????
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How can you create a macro variable with in data step? : sas-macro
differnce between 8.2 and 9.1.3
How many missing values are available? When might you use them?
What are the new features included in the new version of SAS Programming Language?
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.
Explain data_null_?
What is the difference between where and if statement?
How would you code a merge that will write the matches of both to one data set, the non-matches from the left-most data set to a second data set, and the non-matches of the right-most data set to a third data set.
what are informats in sas? : Sas-administrator
what is the use of catalog?
What are pdv and it functions?
it will become easy if uuu provide website linkssss and list of consultanciessssss
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