integer - R: remove data in a logical variable using a factor variable -

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i made following example code give idea of real dataset. have 2 datasets, factor variable list , logical variable ok. 

df1 <- c("a","b","c","d","e","f","g") df2 <- c("a","d","e") list <- factor(as.integer(df1 %in% df2)) ok <- c(true,false, false,false,true,false,true)

the list , ok variables has both length of 7. want remove samples in list condition true in ok. example: first, fifth , seventh variables need removed in list variable.

can me this?

thanks

easier think.

list[!ok]

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