Factor Variable frequency
Hello, Maybe the following (untested). table(df$Protocol[df$Speed == "SLOW"]) Hope this helps, Rui Barradas ? Citando ch.elahe via R-help <r-help at r-project.org>:
Hi all, I have the following df: ? ?$ Protocol? ? ? ?: Factor w/ 48 levels "DP FS QTSE SAG",..: 2 3 43 42 31 36 37 30 28 5 ... ? ?$ Speed? ? ? ? ?: chr? "SLOW" "SLOW" "SLOW" "VerySLOW" ... How can I get the most frequent Protocol when Speed is "SLOW"? Thanks for any help! Elahe
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