Hello,
I have some rather large matrices. Is there a way (without having to
loop) to cap all the values of a data frame to a given ceiling?
E.g.
junk - cbind(c(1,2,3,4,5),c(2,4,6,8,10))
junk
[,1] [,2]
[1,]12
[2,]24
[3,]36
[4,]48
[5,]5 10
replace
Assuming the data frame is all numeric:
DF[] - pmax(10, unlist(DF))
On Fri, Nov 7, 2008 at 4:16 PM, Grey Moran [EMAIL PROTECTED] wrote:
Hello,
I have some rather large matrices. Is there a way (without having to
loop) to cap all the values of a data frame to a given ceiling?
E.g.
junk -
Are they objects of class matrix or data.frame? You seem to make
reference to both, but know there is a difference.
Try:
junk[junk 5] - 5
Grey Moran wrote:
Hello,
I have some rather large matrices. Is there a way (without having to
loop) to cap all the values of a data frame to a given
That should be pmin:
On Fri, Nov 7, 2008 at 4:25 PM, Gabor Grothendieck
[EMAIL PROTECTED] wrote:
Assuming the data frame is all numeric:
DF[] - pmax(10, unlist(DF))
On Fri, Nov 7, 2008 at 4:16 PM, Grey Moran [EMAIL PROTECTED] wrote:
Hello,
I have some rather large matrices. Is there a
Thanks to all who replied - lots of good ideas.
The one I prefered at the end was:
junk[junk 5] - 5
Grey
On Fri, Nov 7, 2008 at 4:38 PM, Gabor Grothendieck
[EMAIL PROTECTED] wrote:
That should be pmin:
On Fri, Nov 7, 2008 at 4:25 PM, Gabor Grothendieck
[EMAIL PROTECTED] wrote:
Assuming the
On Fri, Nov 7, 2008 at 4:46 PM, Grey Moran [EMAIL PROTECTED] wrote:
Thanks to all who replied - lots of good ideas.
The one I prefered at the end was:
junk[junk 5] - 5
Grey
On Fri, Nov 7, 2008 at 4:38 PM, Gabor Grothendieck
[EMAIL PROTECTED] wrote:
That should be pmin:
On Fri, Nov 7,
A few more. These each have the advantage of not
destroying the original data frame:
# based on Erik's
DF2 - replace(DF, DF 10, 10)
# based on my previous one
DF2 - replace(DF, TRUE, pmin(10, unlist(DF)))
DF2 - (DF + 10)/2 - abs(DF - 10)/2
On Fri, Nov 7, 2008 at 4:38 PM, Gabor Grothendieck
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