Do you need to combine data sets? How should you combine
data sets– MERGE or SET statements in DATA steps,PROC
APPEND,PROC SQL?
Answers were Sorted based on User's Feedback
Answer / ankit
it is depend upon my needs how to join these data set if we want to join data vertically then use set otherwise for horizontal i'll use merge.
| Is This Answer Correct ? | 4 Yes | 0 No |
Answer / charan araveti
Append/Set:
If you want to Add/Append data to Existed/Newly created
Dataset (With same variabls)
EX: you have DATA SETS Like JAN,FEB,MAR........,DEC.
and you want to create data set like "Sales_2010"
you have to use "SET/APPEND" Statements.
MERGE:
If you want add Existed variables to DataSet you have to use
Merge.
EX: If you 2 Dtasets of one person like Personal &
Professional and you want to all details in one dataset
means you have to use "Merge" with 'BY' Statement.
| Is This Answer Correct ? | 4 Yes | 0 No |
Answer / vimal
proc append is best to just combine two datasets.
it appends in bulk and without have to read and send to output. it just puts the dataset in data= to dataset in base=
| Is This Answer Correct ? | 0 Yes | 0 No |
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