what is operational data and operational system? : Sas-di
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How can you put a "trace" in your program?
do you prefer proc report or proc tabulate? Why? : Sas programming
how do you derive descriptive statistics?
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I need help in merging two different datasets. I am merging by date and I want to propagate observations from one dataset to the corresponding dates. One dataset has a unique date for each day of the month, while the other dataset has same date for different patient visits. For example I want to spread an observation on the 31DEC2008 from one dataset to several observations with the same date on a second dataset for all the patients who visited on that date. I have tried to merge the two and the result is not what I wanted. Instead I get a dataset whereby all the dates have missing values where observations from the first datset should have spread.
What versions of SAS have you used (on which platforms)?
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Name and describe three SAS functions that you have used, if any?
do you need to know if there are any missing values? : Sas programming
Write a SAS macro to calculate number of numbers in an email address
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what are input dataset and output dataset options? : Sas programming
How to convert .xls file into CSV format?