Displaying 20 results from an estimated 2000 matches similar to: "Alternative to list()"
2001 Aug 14
2
RODBC connection - mixed data types
Dear R users
I use R (1.3.0) Windows version usually with connection to Excel
sheets via RODBC Version: 0.8-2. Everything is OK until I use mixed
data types (numeric and character) in one column.
In that case I will get a particular column of data frame with NA's.
Example
vzorek lpas apas
NA 51.240 20.26
NA 51.340 20.42
NA 49.770 22.05
RB 12 49.840 19.30
RB 12 49.880
2001 Aug 15
2
FORTRAN in R
Hi,
Can anyone tell me what might cause this error message?
Error in .Fortran("swallocate", as.double(mtx), as.double(wt),
as.integer(n), :
C/Fortran function name not in load table
This occurs when I copied the Splus stepwise() function into R. I can
source into R fine, but when I need to call that function on some dataset,
I got the above error message.
Platform
2001 Mar 21
3
Output Files..
Hi,
Somehow I forgot how to do this...
Say I have a command that produced a 28 x 28 data matrix. How can I output the matrix into a txt file (rather than copy/paste the matrix)?
Thanks...
Kevin
-------------------------------------------------
Ko-Kang Kevin Wang
Statistical Analysis Division Leader
Software Developers' Klub
University of Auckland
New Zealand
2001 May 23
4
Matrix manipulation
Hi,
Suppose I have a matrix with, say 12 columns.
I would like to extract out column 2 ~ 8 and 11 ~ 12 then combine them together.
I tried with success to extract out the columns by doing:
foo <- test[,2:8]
goo <- test[,11:12]
However then I am having trouble combining foo and goo.
Helps are appreciated!
Cheers,
Kevin
-----------------------------------
Ko-Kang Kevin Wang
2002 Jan 09
3
Build R Packages (man)
Hi there,
I'm trying to get the manual for an R package (that I'm creating) to
work...
Firstly, I created the *.Rd files (by following the instructions in
"Writing R Extensions" and using prompt() in R, then edit the *.Rd
files. I then copy them into the "pkg/man" directory as suggested by the
manual. However when I load the library (successfully) in R, I cannot
2001 Jul 20
4
plotting dendrograms
Hello,
Can anyone offer any insight on graphing classification dendrograms with
the nodes marked?
plot(tree()) produces a nice tree structure but there's no acccompanying
text.
Thanks,
D
S. David White
sdavidwhite at bigfoot.com
Columbus, Ohio
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r-help mailing list -- Read
2001 Oct 31
3
t.test
Dear R-users,
I am learning to use R 1.3.1 on a Pentium running Windows '98. I'm
puzzled that several statistical procedures, t.test and chisq.test, do not
appear to be available on R version 1.3.1. For example, if I type
"t.test", I get the reply, "Object "t.test" not found". Is there a
package that I have to load in order to have access to these
2001 Feb 05
1
read.table("clipboard")
Hallo
Please I have a question regarding read.table. I wonder if there is any
possibility to read a content of 'clipboard' directly (let say as a copy
from Excel like programs) or if it is always necessary to save a file in
an appropropriate format.
I use 1.2.0 W version with W95.
Thank you very much.
Best regards
Petr Pikal
Precheza a.s.
Nabr.Dr.E.Benese 24
tel: 00420 641 25 2257
2002 Jul 31
5
help
Hello,
I would like to apply BAGGING to classification tree. Does a package
exists on that method?
In advance I thank you for your answer and I am looking forward to
hearing from you .
Best regards,
Vincent HERNU.
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r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html
Send "info",
2001 Aug 14
1
loess() v.s. lowess()
Hi there,
Just out of curious, is there any difference between loess() and
lowess() in R (and Splus in fact).
Which one is more often used?
Thanks,
Ko-Kang Wang
------------------------------------------------------------------------------
Ko-Kang Kevin Wang
Statistical Analysis Division Leader
Software Developers' Klub (SDK)
University of Auckland
New Zealand
2001 Aug 27
1
Compile from Source.
Hi,
Can anyone tell me how I can compile R from source under Windows
environemtn (I kind of know how to do it in a UNIX enviroment)?
What I mean is, suppose I make some changes in the R base, or reorganising
the libraries, and want to compile into a Setup.exe file (like the one
located in CRAN), how should I do this?
Many thanks in advance...
Ko-Kang Wang
2001 Oct 15
1
An Introduction to R - LaTeX Code
Hi,
I am interested in seeing the LaTeX version of R manuals (such as An
Introduction to R), and I found from CRAN that:
"The texinfo sources of the latest version of these documents are
contained
in every R source distribution (in the subdirectory doc/manual of the
extracted archive). "
However when I went into that directory I only found the pdf and html
version. Are there any
2001 Sep 19
2
Save/Display R Work
Hi,
I was tutoring in the lab when a student asked me this question.
Is it possible to save the work done in R, then source it back in AND
display all the work within R later? I know that one can save the history
(i.e. all the codes in a session) in *.R format, then source it back in at
a later stage. However the historical codes will not be displayed within
R, only the line source(...) is
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
2012 Mar 13
2
[Bug 1990] New: sftp segfaults when tab-completing a directory which contains umlauts
https://bugzilla.mindrot.org/show_bug.cgi?id=1990
Bug #: 1990
Summary: sftp segfaults when tab-completing a directory which
contains umlauts
Classification: Unclassified
Product: Portable OpenSSH
Version: 5.9p1
Platform: amd64
OS/Version: Linux
Status: NEW
Severity: normal
2001 May 14
0
Re: s+
Well, R is not S+ nor SPSS. Although it is sort of similar to S+ in terms of how you use it...
You can get it from http://cran.r-project.org/
To know more about what it really is, you can get my PowerPoint presentation from:
http://www.stat.auckland.ac.nz/~kwan022/pub/R/Introduction/
or and article I wrote from:
http://www.stat.auckland.ac.nz/~kwan022/pub/SDK/SAD/Journal/
If you're a
2001 Aug 12
3
gam() and library( modreg )
Hi,
I'm just wonder if there is an R equivalent function of gam() - which
exist in Splus.
Also does anyone know if the library( modreg ), which comes with the
installation file of R 1.3.0 (Windows version), exists in the previous
versions of R (again, Windows version)? Or does one need to install the
library into the previous versions of R explicitly?
Thanks,
Ko-Kang Wang
2001 Mar 29
1
screeplot() v.s. plot()
Hi,
Suppose I've got a data set that I found the eigenvalues and eigenvectors. Then I want to draw a screeplot for the eigenvalues. However it returns:
Error in matrix(w.m, nc = NC) : negative extents to matrix
Then I tried a plot() function on the eigenvalues of the data set, and I can successfully draw it! And the output looks like what the screeplot would show to me.
Is there any
2001 Aug 25
2
Writing R Library
Hi there,
I'm trying to write an R library (for Windows version) when I encountered
this problem.
I put in a dataset called mussels into a sub-folder, data (I saw this is
how it is done in other libraries). However when I load the library in R
and typed:
data(mussels)
it complains it cannot find the data set in the library.
Everything else works fine (so far), am I missing something
2001 May 02
2
Export to File...
Hi,
I've been reading the Data Import and Export manual (page 25 on Connection
chapter) but somehow I can't manage to get what I want.
I have a 28x28 distance matrix, which I would like to export to a file.
What I did was something like:
zz <- file("ex.data", "w") # open an output file connection
cat( traffic.manDist, file = zz ) # traffic.manDist is my