79157042

Date: 2024-11-04 21:29:32
Score: 1
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library(data.table)

# Assuming df1 is already a data.table
setDT(df1)

df1[, `:=`(
  Rank1 = as.numeric(as.factor(M1)),
  Rank2 = as.numeric(as.factor(M2)),
  Rank3 = as.numeric(fct_rev(as.factor(M3)))
)]
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Posted by: Z.Berke