On Wed, 30-Jun-2004 at 11:57PM -0400, Peter Wilkinson wrote: |> here is a snippet of data where I would like to drop all rows that have |> zeros across them, and keep the rest of the rows while maintaining the row |> names (1,2,3, ...10). The idea here is that a row of zeros is an indication |> that the row must be dropped. There will never be the case where there is a |> row(of n columns) with less than 5 zeros in this case(n zeros |> |> I am unsure how to manipulate the data frame to drop rows whiles keeping |> row names. |> |> Peter |> |> the data (imagine separated by tabs): |> |> SEKH0001 SEKH0002 SEKH0003 SEKH0004 SEKH0005 |> [1,] 256.1139 256.1139 256.1139 256.1139 256.1139 |> [2,] 283.0741 695.1000 614.5117 453.0342 500.1436 |> [3,] 257.3578 305.0818 257.3578 257.3578 257.3578 |> [4,] 0.0000 0.0000 0.0000 0.0000 0.0000 |> [5,] 0.0000 0.0000 0.0000 0.0000 0.0000 |> [6,] 0.0000 0.0000 0.0000 0.0000 0.0000 |> [7,] 0.0000 0.0000 0.0000 0.0000 0.0000 |> [8,] 257.0000 257.0000 257.0000 257.0000 257.0000 |> [9,] 305.7857 2450.0417 335.5428 305.7857 584.2485 |> [10,] 0.0000 0.0000 0.0000 0.0000 0.0000
I'm curious to know how you got those row names. I suspect you really have a matrix. If it were a dataframe, it would behave exactly how you are reqesting -- depending on how you got rid of rows 4:7. Try as.data.frame(<whatever.your.data.is.now>) Then deleting the rows will look like: SEKH0001 SEKH0002 SEKH0003 SEKH0004 SEKH0005 1 256.1139 256.1139 256.1139 256.1139 256.1139 2 283.0741 695.1000 614.5117 453.0342 500.1436 3 257.3578 305.0818 257.3578 257.3578 257.3578 8 257.0000 257.0000 257.0000 257.0000 257.0000 9 305.7857 2450.0417 335.5428 305.7857 584.2485 HTH -- Patrick Connolly HortResearch Mt Albert Auckland New Zealand Ph: +64-9 815 4200 x 7188 ~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~ I have the world`s largest collection of seashells. I keep it on all the beaches of the world ... Perhaps you`ve seen it. ---Steven Wright ~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~ ______________________________________________ [EMAIL PROTECTED] mailing list https://www.stat.math.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
