combine dataframes with two matching columns
merged_df = DF2.merge(DF1, how = 'inner', on = ['date', 'hours'])combine dataframes with two matching columns
merged_df = DF2.merge(DF1, how = 'inner', on = ['date', 'hours'])making putting all columns in the same column in r with different ID
melt(wide, id.vars = "name", measure.vars = c("test1","test2","test3"))Copyright © 2021 Codeinu
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