search for: zaqm

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2007 Aug 01
1
new user question on dataframe comparisons and plots
...factor column between both of the two sub data frames (there are a few hundred different unique possibles for this factor column eg AAAA - ZZZZ enumerated). I've used table() on the attribute columns from each sub frame to get counts. pos <- data.frame(table(df.true$CAT)) AAAA 10 BASD 0 ZAQM 4 ... neg <- data.frame(table(df.false$CAT)) AAAA 1000 BASD 3 ZAQM 9 PPWS 10 ... The TRUE sub frame has less unique factors that the sub frame FALSE, I would like an output data frame that is one column all the factors from the TRUE sub frame and the second column the counts from the TRUE a...