Appending SAS Data Sets
Overview
Now that you have seen several methods for concatenating raw data
files, use the APPEND procedure to concatenate two SAS data sets.
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General form, PROC APPEND:
PROC APPEND BASE=SAS-data-set DATA=SAS-data-set;
RUN;
BASE=SAS-data-set
names the data set
to which you want to add observations.
DATA=SAS-data-set
names the SAS data
set containing observations that you want to append to the end of
the BASE= data set.
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PROC APPEND reads only the data in the DATA= SAS data set, not the BASE= SAS data set. Therefore, this action is very efficient. PROC APPEND concatenates data sets even though there might be variables in the BASE= data set that do not exist in the ...
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