[R] how to delete rows by a list of rownames

[B77S]

here is one way

df1 <- data.frame(c(1:20), c(21:40), c(31:50))
list1 <- c(3, 6, 20)
df2 <- df1[-list1,]





hanansela wrote:
> 
> Hello
> I have a list of row names that needs to be deleted from a data frame. How
> do i do that? 
> one of the columns in the data frame contains the row names as numbers. I
> can also select by this column (will it be easier?). 
> Thank you
> 


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