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2011 Jun 24
0
reshape: cast(x, a ~ b ~ .) vs. cast(x, a ~ b) difference
...grDevices utils datasets methods base
other attached packages:
[1] reshape_0.8.3 plyr_1.4 latticeExtra_0.6-11
[4] RColorBrewer_1.0-2 lattice_0.19-17
loaded via a namespace (and not attached):
[1] grid_2.12.2 tools_2.12.2
--
| Philip Kensche <pkensche at cmbi.ru.nl>
| http://www.cmbi.ru.nl/~pkensche
|
| Center for Molecular and Biomolecular Informatics
| http://www2.cmbi.ru.nl
|
| phone +31 (0)24 36 19693
| fax +31 (0)24 36 19395
2004 Mar 11
0
ridit()
I have tried to encode a ridit function.
(cf. Bross IDJ: How to use ridit analyses.
In: Biometrics 1958(14): 18-38.
Application e.g.:
Goossen WTF. Exploiting the Nursing Minimum Data Set for the Netherlands.
In: Medinfo 2001 2001: 1334-1338.
http://cmbi.bjmu.edu.cn/2001/medinfo_2001/Papers/Ch16/Goossen.pdf.)
Questions and hints:
- Is there already a ridit function in R?
- Argument ``b.sel.attrs'' could be omitted.
- Perhaps there are more efficient ways than calculating:
viq.ridit <- apply( t( t(x) * vjq.ridit.attr ), 1, sum, na.rm=T...
2006 Jul 28
1
substitute(INDICES) in by.data.frame returns invalid multi-line name (PR#9108)
Full_Name: Philip Kensche
Version: 2.3.0
OS: Redhat Linux
Submission from: (NULL) (131.174.88.204)
Try this:
--
x <- data.frame(the.first.column=c("A"), the.second.column=c("b"),
the.third.column=c("d"), and.many.more.columns=c("e"))
by(x, paste(x$the.first.column, x$the.second.column, x$and.many.more.columns,
sep="."), function (y) {
2006 Jul 28
0
substitute(INDICES) in by.data.frame returns invalid multi-line (PR#9109)
On 7/28/2006 7:53 AM, pkensche at cmbi.ru.nl wrote:
> Full_Name: Philip Kensche
> Version: 2.3.0
This version is obsolete, but the error does occur in the current R-patched.
> OS: Redhat Linux
> Submission from: (NULL) (131.174.88.204)
>
>
> Try this:
>
> --
> x <- data.frame(the.first.column=c(&quo...
2009 Oct 15
0
let R and Rscript infer paths from their own location (PR#14007)
Full_Name: Philip R. Kensche
Version: 2.9.1
OS: Linux
Submission from: (NULL) (131.174.146.252)
Use case:
Run R scripts using bin/Rscript or "bin/R --no-restore --file=<script-file>
--args <args>" in a heterogeneous computing grid in which it is not possible to
predict the actual installation directory of the R binaries.
Problem:
The script bin/R and the wrapper