I have merge step like belw which has to merge jan and feb months data to the main master thereby creating feb dataset. Likewise in March, the master should be merged with jan,feb and march months data. though i was able to create a macro for reading the required input files for a particular month correctly (that is for Feb month, jan and feb months data should be read) but im helpless in automating the below step. Colud anyone help me out . Thanks in advance. data feb; merge master(in=a) jan(in=b) feb(in=c); by id; if a; run;
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