1.What is the difference between _NULL_ , _ALL_, and _N_? 2.What are the uses of _NULL_ using in Data Steps? Can we _NULL_ in Proc Steps also? 3.How do call the macro variable in Data Steps? 4.How to construct Pivot tables in Excel Using SAS?

3 Answers  

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i have multiple .csv files in a unix directory. every file is having variable names as header.even for empty file also. suppose take 3 files a.csv b.csv c.csv a.csv contains data as name;age,salary; raja;34;4000; ravi;33;5000; kumar;25;3000; b.csv contains data as name;age,salary; ajay;40;4500; and c.csv contains name;age,salary; (only headers) Now i want to import and append all these files in to a single dataset. i tried infile statement with *.csv to import all at a time. but i m not getting correct data. please help me . its urgent. thank you in advance

2 Answers   Tech Mahindra,

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What is the basic structure of a sas program?

0 Answers  

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Can you excute a macro within a macro? Describe.

2 Answers   Genta,

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how are numeric and character missing values represented internally? : Sas programming

0 Answers  

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What do you understand by the term Normal Distribution?

0 Answers  

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What would you change about your job?

0 Answers   Oracle,

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How can you put a "trace" in your program?

2 Answers   Quintiles,

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How to get second top scorer student from a class- table having different sections A, B, C & D? each section has same number of student.

4 Answers   TCS,

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what is the primary data source for the wrs? : Sas-bi

0 Answers  

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what is sas data set?

0 Answers  

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how does sas handle missing values in sort order? : Sas programming

0 Answers  

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