search for: m427t91

...ow without success: I have a data frame (df) with variables in the rows and observations in the columns like (the actual data frame has 15 columns and 1789 rows): early1 early2 early3 early4 early5 M386T1000 57056 55372 58012 55546 57309 M336T90 11063 10312 10674 10840 11208 M427T91 12064 11956 12692 12340 11924 M429T91 4594 3890 4096 4019 4204 M447T90 26553 27647 26889 26751 26929 Now I'm trying to transform each value column-wise to make columns to all have the same mean with: df * mean(mean(df)) / mean(df). I just can't get my head aroun...