Re: [R] How to test for NULL?

2008-04-24 Thread chenxh007
is.null Olivier Lefevre wrote: > x == NULL returns logical(0) instead of FALSE or TRUE as you might expect > and I cannot find the right way to write this test in R. > > Thanks in advance for any hint, > > -- O.L. > > __ > R-help@r-project.org mailin

Re: [R] Please help me

2008-04-14 Thread chenxh007
try ?image Xiaohui merca duria wrote: > I have a matrix with N x N points, that I would like to represent on a map. > > The points are an estimation of the bidimensional density of certain > quantity observed on a geographical region. > I am interested in a map with several colours displaying s

Re: [R] function for all binomial combinations?

2007-11-22 Thread chenxh007
t(combn(4,2)) in the package *combinat* produce this function. Xiaohui Michael Wolf wrote: > Dear all, > > Is there a function that computes all binomial combinations. > I am aware of the function "choose(n, k)" which computes the > number of such combinations, but not the actual combinations >

Re: [R] Running R file from Command line.

2007-09-12 Thread chenxh007
For example, you can use: R CMD BATCH mean.R mean.Rout Xiaohui Vaibhav Gathibandhe wrote: > Hi all, > > Is there any way through which i can run a R file from Command line. > > For example > >> r mean.R > > Thanks and Regards, > Vaibhav Gathibandhe > > [[alternative HTML version delet