[R] creating a matrix subset based on a threshold cutoff

[rich at thevillas.eclipse.co.uk]

   that's great, thanks
   On Tue Mar 4 12:29 , "Henrique Dallazuanna" sent:
   
     I think that this shoul works:
     do.call(rbind, apply(as.table(x), 1, function(.x).x[any(.x < cutoff)]))
     Change as.table(x) by your table
     On 04/03/2008, rich @ thevillas. eclipse. co. uk
     <[1]rich at thevillas.eclipse.co.uk> wrote:
     >
     >
     >
     >
     > sorry, it would probably better be described as a table
     >
     > thanks
     >
     >
     >
     >
     >
     > On Tue Mar 4 11:28 , "Henrique Dallazuanna" sent:
     >
     >
     > You have a table or matrix?
     >
     > if is matrix:
     >
     > set.seed(123)
     > x <- matrix(rnorm(100), 10, 10)
     > cutoff <- -1.5
     > do.call(rbind, apply(x, 1, function(.x).x[any(.x < cutoff)]))
     >
     > On 04/03/2008, [2]rich at thevillas.eclipse.co.uk
     > <[3]rich at thevillas.eclipse.co.uk> wrote:
     > >
     > > Hi,
     > >
     > > I have a table of x rows and y columns. The table is huge and so i'd
     like
     > > to create a subset of the data containing rows where any of the y
     values
     > are
     > > below a threshold, say 1e-4. Is there a simple way of doing this in R?
     > >
     > >
     > > thanks
     > >
     > > Rich
     > > ______________________________________________
     > > [4]R-help at r-project.org mailing list
     > > [5]https://stat.ethz.ch/mailman/listinfo/r-help
     > > PLEASE do read the posting guide
     > [6]http://www.R-project.org/posting-guide.html
     > > and provide commented, minimal, self-contained, reproducible code.
     > >
     >
     >
     > --
     > Henrique Dallazuanna
     > Curitiba-Paraná-Brasil
     > 25° 25' 40" S 49° 16' 22" O
     >
     >
     >
     >
     --
     Henrique Dallazuanna
     Curitiba-Paraná-Brasil
     25° 25' 40" S 49° 16' 22" O

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