What are the difference between ceil and floor functions in sas?

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Hi , which book should i refer to for preaparing SAS statistical Exam. Searched a lot on books but still did n't find relevant books

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How the date 04oct1994 is stored in SAS,not only give the answer explain in brief?

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In sas admin differentiate between roles and capabilities? : sas-grid-administration

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Explain what is data step?

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In SAS how to read the variable values having different formats. eg:mar99,mar1999 (in a single variable)

8 Answers   GSK GlaxoSmithKline,

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List out some key concept of SAS

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How would you invoke a macro? : sas-macro

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What is difference between N and n????

2 Answers   Sciformix,

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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.

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what are all the default values getting in PROC MEANS...???

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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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