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20234
2003 Dec 19
5
for loop over dataframe without indices
One can perform a for loop without indices over the columns
of a dataframe like this:
for( v in df ) ... some statements involving v ...
Is there some way to do this for rows other than using indices:
for( i in 1:nrow(df) ) ... some statements involving df[i,] ...
If the dataframe had only numeric entries I could transpose it
and then do it over columns but what about the general case?