![]() ![]() – if there are common variables in input data sets, the observations in the last data set overwrite observations in earlier data sets ![]() – the observations are combined on the basis of their relative positions in input data set – the new data set contains all variables from all input data sets When two or more data sets are combined by using one to one merging method – Through these data sets, we will be able to clearly distinct one method of combining from the other. Below, I have created two data sets CLASS1 and CLASS2 out of CLASS data set in SASHELP library. I’ve spilt CLASS data set on the basis of age and have also dropped height variable from one data set and weight variable from other data set. But before that we create two sample data sets. We shall discuss each of these methods of combining. There are different ways of combining data sets : Educators can upload an additional 3GB of course data to share with students.Very often a SAS programmer is required to combine observations from two or more data sets. The SAS Cloud, where everyone can upload up to 5GB of data for easy access. ![]()
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March 2023
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