Suppose I have this dataframe: df = DataFrame(A = Any[rand() for i in 1:10], B = [“a”,“b”,“c”,“d”,“e”,“f”,“g”,“h”,“i”,“j”], C = Any[rand() for i in 1:10]) I want to change the datatype of columns A and B programmatically (the actual dataframe has >20 columns!). So far I have identified the column…

Change datatype for subset of DataFrame columns

DataFrames February 4, 2022, 1:47am 3

transform!(df, Cols(:) .=> ByRow(identity), renamecols = false)

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