Displaying 20 results from an estimated 2000 matches similar to: "interrupted plots"
2001 Mar 21
5
generate random number
Hi,
I want to pick 3 "integer" random numbers from 1 to
10. How to do this?
Thanks,
Yu-Ling Wu
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2001 Mar 22
2
newbie questions: accessing functions globally
How can I access a function created in one data directory in another? I
have been sourcing the text file that contains the function each time I go
to another data dir. This is cumbersome, and I suspect there is a way to
make functions global.
Thanks in advance,
S. David White
Dept of Speech and Hearing Science
Ohio State University
Columbus, Ohio
2001 Feb 22
4
Setting elements in data frame
Hi all,
I have a problem which I am biting my teeth into unsuccessfully:
(x <- data.frame(S1=c("a","b","d","F"),N1=c(2,4,6,9),N2=c(6,NA,0,6)))
S1 N1 N2
1 a 2 6
2 b 4 NA
3 d 6 0
4 F 9 6
> is.na(x)
S1 N1 N2
1 FALSE FALSE FALSE
2 FALSE FALSE TRUE
3 FALSE FALSE FALSE
4 FALSE FALSE FALSE
No I want to be able to do:
1) Setting
2001 Mar 16
2
python bindings for R
Hello,
my group is investigating the development of a statistical program in
support of some other work we are doing. Stats is not really our area of
expertise and we would like to leverage existing code where possible. From
your site, I have gathered that R is pretty capable and well used. We are
currently developing in python and targetting a primarily windows
environment. We would like to
2001 Feb 12
2
CensorReg
Hi Group,
I wonder if R has the function CensorReg which takes
care of left truncation. I know it's in S. Thank you
so much!
Kel
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r-help
2001 Mar 16
2
Clip contour or image
Hi,
I am almost new to R. Would any one show me (please include an example)
how to clip a contour or image figure so that I only see the image or
lines inside a selected area?
Thank you very much
Han
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Send "info",
2001 Mar 16
2
apply()
Hi,
I input this command on a data matrix:
> apply( traffic, 2, function(z){z-mean(z)})
and got the following error messages:
Error in sum(..., na.rm = na.rm) : invalid "mode" of argument
Can anyone tell me what is wrong here?
Running R1.2.2 on Windows ME.
Cheers,
Kevin
-------------------------------------------------
Ko-Kang Kevin Wang
Statistical Analysis Division
2001 Sep 27
1
list of all objects - just being curious
Hello all,
to obtain a list of all objects in all search paths, I've found the
following to work:
> biglist <- sapply(1:length(search()), objects)
This more obvious one, however, does not work:
> biglist <- sapply(search(), objects)
Error in pos.to.env(pos) : invalid argument
Still, search() gives
[1] ".GlobalEnv" "package:ctest" "Autoloads"
2001 Mar 15
3
outer
Dear r-plus users,
i would like to use outer in the following case outer(x,y,FUN="fun")
i suppose that my function fun is of the following form:
fun<-function(x,y)
{
if(y>x) return(x+y)
if(y<=x) return(0)
}
My problem is that the command outer(x,y,FUN="fun") return me a
null matrix instead of an upper triangular matrix.
Is somebody have a solution ?
Thanks for your
2001 Mar 20
3
finding dedicated indexes?
Hi,
I've got a matrix of two columns, say:
> d <- t(array(1:20,dim=c(2,10)))
> d
[,1] [,2]
[1,] 1 2
[2,] 3 4
[3,] 5 6
[4,] 7 8
[5,] 9 10
[6,] 11 12
[7,] 13 14
[8,] 15 16
[9,] 17 18
[10,] 19 20
now I need those values from column #2 where column #1 is equal to
certain values. eg.:
> i <- c(13,5,19)
The
2000 Jun 22
1
R 1.1 congrat; undocumented behaviour of recordPlot
Hello,
first, I'd like to congratulate the core team to the new R version 1.1. I
think it's a great update, with glimpses into an even greater future
(tcltk!).
While playing around with the new functions (on Win 95), I found the
following:
As the documentation states, when I generate a plot and save it with
recordPlot, I can regenerate it by printing the variable:
> plot(1:10)
>
2002 Apr 04
1
html documentation bug in: help(par), 'las'
Currently (R-1.4.1 as well as R-devel, according to
http://stat.ethz.ch/R-alpha/R-devel/library/base/html/par.html), the html
version of help(par) shows
[...]
lab
A numerical vector of the form c(x, y, len) which modifies the way that
axes are annotated. The values of x and y give the (approximate) number
of tickmarks on the x and y axes and len specifies the label size. The
default
2001 Dec 19
2
How to create a data.frame "like" another, but longer?
Hello,
does anyone know of a quick way to create a data frame "like" another, but
with more rows?
What I'd like to do is this:
if mydata is a data.frame like
a b c
1 TRUE yes
2 FALSE no
3 TRUE yes
I'd like to get mydata2 with the same column names and column types, but
without the values and with more rows.
All I could think of was to manually do
2000 May 09
1
Type III Sums of Squares?
Hello,
I'd like to propose an extension to the function summary.aov.
In Splus (2000, I don't know about other versions), summary.aov allows a
parameter ssType to be set to 1 or 3 (defaults to 1) to choose the type of
Sums of Squares.
I know I can get Type III SS in R with drop1(model), but including the
functionality into summary.aov would, in my opinion,
- yield a more usable table
2001 Feb 27
4
Post hoc tests
This is only partly an R question, but this seems a good place to ask.
Like many, if not most, statistics programs, R has no post hoc tests
for Kruskal Wallis or Friedman, and as far as I can make out they are
not available in any of the R packages. I would be grateful if someone
could point me in the right direction if I am wrong.
As I said this is not uncommon. Parametric Anova procedures
2000 Jun 23
1
Re: undocumented behaviour of recordPlot (PR#578)
On Thu, Jun 22, 2000 at 05:01:32PM +0200, p.dalgaard@biostat.ku.dk wrote:
> I think this is pretty certainly a bug, so I'm cc'ing this to r-bugs.
>
> -p
>
> Kaspar Pflugshaupt <pflugshaupt@geobot.umnw.ethz.ch> writes:
> > As the documentation states, when I generate a plot and save it with
> > recordPlot, I can regenerate it by printing the variable:
2000 Jun 23
1
Re: undocumented behaviour of recordPlot (PR#578)
On Thu, Jun 22, 2000 at 05:01:32PM +0200, p.dalgaard@biostat.ku.dk wrote:
> I think this is pretty certainly a bug, so I'm cc'ing this to r-bugs.
>
> -p
>
> Kaspar Pflugshaupt <pflugshaupt@geobot.umnw.ethz.ch> writes:
> > As the documentation states, when I generate a plot and save it with
> > recordPlot, I can regenerate it by printing the variable:
2001 Aug 28
2
Estimating Weibull Distribution Parameters - very basic question
Hello,
is there a quick way of estimating Weibull parameters for some data points
that are assumed to be Weibull-distributed?
I guess I'm just too lazy to set up a Maximum-Likelihood estimation...
...but maybe there is a simpler way?
Thanks for any hint (and yes, I've read help(Weibull) ;)
Kaspar Pflugshaupt
--
Kaspar Pflugshaupt
Geobotanical Institute
ETH Zurich, Switzerland
2001 Dec 11
1
how can i have the total for each level using table,ftable,xtabs etc. etc. ?
I have a list with four fields and 3500 records, from a MySQL table.
How can i have the total for each level using table, ftable, xtabs?
ex:
print(ftable(table[,"field1"]~table[,"field2"]))
thanks
Danilo Maurizio
Veneto Lavoro - Area Osservatorio -
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2002 Jan 31
1
MacOS X: Packages KernSmooth and cluster won't compile
Hello,
I'm using R 1.40 on MacOS X X.1.2 (installed via the fink package manager).
To upgrade my installed packages, I tried to use update.packages() today.
All went well for most packages, with the exception of KernSmooth and
cluster. In both cases, libraries were not found although I think they are
present.
Here's what happened:
----------------------------------
>