[Rd] getGenerics returns names what are not generics

Hi there, I encounter the following problem with getGenerics when Rgraphviz is installed: which(!sapply(getGenerics(), isGeneric)) #graph Rgraphviz graph Rgraphviz # 105 106 107 108 so, getGenerics returns twice graph and Rgrapviz as being generics, when they are not: i

[Rd] small suggestion---add sd to summary() for vectors, matrices, and data frames

Dear R developers---of course, I have my own function that does this, but I think this would be useful for others, too. summary() already returns the first moment, and I would hope most of us think of the standard deviation as a pretty common summary statistic. not to clutter this mailing list, b

Re: [Rd] CRAN package sizes

I think it would be even more useful if we could get Sweave to easily produce PNG figures instead of just PDF/EPS. In the current state of things, making PNG versions is more cumbersome than making PDF versions, so I'm not surprised that most people don't go to that trouble most of the time.

[Rd] readPNG gives warnings and doesn't execute sample code from help files

Dear all, I noticed in the latest R version (R.2.12.1) that the readPNG gives following warning when running the example code in the help file (or when using any other png for that matter) : 50: In rasterImage(img, 1.2, 1.27, 1.8, 1.73) : Per-pixel alpha not supported on this device No picture

Re: [Rd] readPNG gives warnings and doesn't execute sample code from help files

Joris, On Feb 14, 2011, at 10:05 AM, Joris Meys wrote: > Dear all, > > I noticed in the latest R version (R.2.12.1) that the readPNG gives > following warning when running the example code in the help file (or > when using any other png for that matter) : > > 50: In rasterImage(img, 1.2, 1.27,

Re: [Rd] using rasterImage within image

Paul Murrell auckland.ac.nz> writes: > > Hi > > On 12/02/2011 7:22 p.m., Michael Sumner wrote: > > Hello, that appears to have fixed it. Thank you very much. > > > > I can now repeat the reported workflow and the image appears on the > > fifth (and subsequent) calls. > > Great. Thanks for chec

[Rd] R command line and pipe using in Linux?

Hi, I have a very large data file(GB) from which I only want to extract one column to draw histogram. This would be done several times, so I would like to ask if there is anyway to plot this using R from the linux command line, something look like this cut -f1 xxx.txt |RplotHist Thanks and h

Re: [Rd] using rasterImage within image

On 14 February 2011 18:26, Ben Bolker wrote: > Paul Murrell auckland.ac.nz> writes: > >> >> Hi >> >> On 12/02/2011 7:22 p.m., Michael Sumner wrote: >> > Hello, that appears to have fixed it. Thank you very much. >> > >> > I can now repeat the reported workflow and the image appears on the >> > fi

Re: [Rd] R command line and pipe using in Linux?

Good afternoon Hang, This is an example of what I've done with a csv file with a header which is too big to read into memory. # this is a file with about 50 columns and 28 million records ap.fnam <- 'p2_all28m_records.csv' # lets just explore the columns in Addresspoint... # by reading in the hea

Re: [Rd] R command line and pipe using in Linux?

On 14 February 2011 at 17:40, Hang PHAN wrote: | Hi, | I have a very large data file(GB) from which I only want to extract one | column to draw histogram. This would be done several times, so I would like | to ask if there is anyway to plot this using R from the linux command line, | something loo

Re: [Rd] R command line and pipe using in Linux?

On Mon, Feb 14, 2011 at 05:40:29PM +, Hang PHAN wrote: > Hi, > I have a very large data file(GB) from which I only want to extract one > column to draw histogram. This would be done several times, so I would like > to ask if there is anyway to plot this using R from the linux command line, > so

Re: [Rd] using rasterImage within image

On Feb 14, 2011, at 12:26 PM, Ben Bolker wrote: > Paul Murrell auckland.ac.nz> writes: > >> >> Hi >> >> On 12/02/2011 7:22 p.m., Michael Sumner wrote: >>> Hello, that appears to have fixed it. Thank you very much. >>> >>> I can now repeat the reported workflow and the image appears on the >>

Re: [Rd] using rasterImage within image

Hi On 15/02/2011 8:11 a.m., Simon Urbanek wrote: On Feb 14, 2011, at 12:26 PM, Ben Bolker wrote: Paul Murrell auckland.ac.nz> writes: Hi On 12/02/2011 7:22 p.m., Michael Sumner wrote: Hello, that appears to have fixed it. Thank you very much. I can now repeat the reported workflow and

Re: [Rd] using rasterImage within image

On Feb 14, 2011, at 2:28 PM, Paul Murrell wrote: > Hi > > On 15/02/2011 8:11 a.m., Simon Urbanek wrote: >> >> On Feb 14, 2011, at 12:26 PM, Ben Bolker wrote: >> >>> Paul Murrell auckland.ac.nz> writes: >>> Hi On 12/02/2011 7:22 p.m., Michael Sumner wrote: > Hello,

Re: [Rd] R command line and pipe using in Linux?

Thanks for the prompt reply. I think I have an idea on how to do what I want now. Best regards, Hang On Mon, Feb 14, 2011 at 6:30 PM, Dirk Eddelbuettel wrote: > > On 14 February 2011 at 17:40, Hang PHAN wrote: > | Hi, > | I have a very large data file(GB) from which I only want to extract one >

[Rd] drop argument for apply, rowSums, etc.

Dear list, dear Henrik, I find myself often reconstructing matrices from the result of rowSum (matrix) etc. I therefore propose a new argument, drop, for these functions: drop = TRUE (default) is the current behaviour. With drop = FALSE length (dim (x)) and dimnames are preserved and the affec

Re: [Rd] using rasterImage within image

On 02/14/2011 02:59 PM, Simon Urbanek wrote: > > On Feb 14, 2011, at 2:28 PM, Paul Murrell wrote: > >> Hi >> >> On 15/02/2011 8:11 a.m., Simon Urbanek wrote: >>> >>> On Feb 14, 2011, at 12:26 PM, Ben Bolker wrote: >>> Paul Murrell auckland.ac.nz> writes: > > Hi > >>>