I am trying to merge two dataset of unequal rows but after merging i got completely empty data. The first dataset has 50 columns and 6320 rows while the second dataset has 5 columns and 220 rows. was trying to merge by a common variable but I got empty data after my merge. This is my code, what am i missing? data BTS201505WTHR (drop=div:); merge BTS201505 WTHRDATA(keep= FlightDate PRCP SNWD SNOW TMAX TMIN); by FlightDate ; if Origin='ORD'; run ;
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