Displaying 20 results from an estimated 75 matches for "keitt".
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keith
2001 Jul 10
1
Object finalization
...ode the
finalizer? R_RegisterCFinalizer accepts a C function, but I can't see
how to get it to operate on the pointer, since the pointer is not passed
to the function when its called. RegisterFinalizer takes an R closure,
but how is it called from R (tried .Internal)?
Tim
--
Timothy H. Keitt
Department of Ecology and Evolution
State University of New York at Stony Brook
Stony Brook, New York 11794 USA
Phone: 631-632-1101, FAX: 631-632-7626
http://life.bio.sunysb.edu/ee/keitt/
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r-devel mailing list -- Read h...
2001 Mar 19
3
generic database access methods
...<- function(conn, ...) UseMethod("dbWriteTable")
#
# Analog of write.table(). It should assemble input into a data frame
# and write the frame into a table in database.
#
dbWriteTable.default <- function(conn, ...) stop("Invalid connection
object")
T.
--
Timothy H. Keitt
Department of Ecology and Evolution
State University of New York at Stony Brook
Phone: 631-632-1101, FAX: 631-632-7626
http://life.bio.sunysb.edu/ee/keitt/
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r-devel mailing list -- Read http://www.ci.tuwien.ac.at/~horni...
1999 Nov 05
1
"break" breaks _outer_ loop -- ugh!
It appears that "break" will break from the outermost enclosing loop not
the innermost loop. Is it a bug or language feature?
Tim
--
Timothy H. Keitt
National Center for Ecological Analysis and Synthesis
735 State Street, Suite 300, Santa Barbara, CA 93101
Phone: 805-892-2519, FAX: 805-892-2510
http://www.nceas.ucsb.edu/~keitt/
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r-help mailing list -- Read http://w...
2002 Jan 29
3
dimnames usage in ts (PR#1288)
Full_Name: Tim Keitt
Version: 1.4
OS: Linux
Submission from: (NULL) (129.49.19.70)
I think this code in 'ts' is incorrect:
if (is.matrix(data) || is.data.frame(data)) {
nseries <- ncol(data)
ndata <- nrow(data)
dimnames(data) <- list(NULL, names)
}
since
> x <...
2002 Mar 22
1
name spaces?
...behavior. (An alternate approach would be to use
DBI.connect() and add a switch to 'library' or global option that strips
off the 'DBI' prefix.) Anyway, it would help in nailing down the DBI
interface to know if some name space mechanism is in the works.
Cheers,
Tim
--
Timothy H. Keitt
Department of Ecology and Evolution
State University of New York at Stony Brook
Stony Brook, New York 11794 USA
Phone: 631-632-1101, FAX: 631-632-7626
http://life.bio.sunysb.edu/ee/keitt/
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r-devel mailing list -- Read ht...
2002 Apr 10
1
Layout of Fourier frequencies
...but I need to
know if I've got this part correct first.)
I think in 1D the pattern is:
0 1 2 3 -2 1 (even)
0 1 2 3 -3 2 1 (odd)
In 2D is it simply (for a square matrix):
0 1 2 -1 (horizontal)
0 1 2 -1
0 1 2 -1
0 1 2 -1
and the above transposed for the vertical? Thanks.
Tim
--
Timothy H. Keitt
Department of Ecology and Evolution
State University of New York at Stony Brook
Stony Brook, New York 11794 USA
Phone: 631-632-1101, FAX: 631-632-7626
http://life.bio.sunysb.edu/ee/keitt/
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r-help mailing list -- Read htt...
2002 May 10
1
Summary of Suggestions for poor man's parallel processing
Thanks to Luke Tierney, Agustin Lobo, Stephen Eglen, A.J. Rossini, Simon Wood
and Timothy H. Keitt for responding to my question about poor man's parallel
processing. Much of the substantive material was cc'ed to r-help already, but
my take is as follows.
1) Currently, there is nothing "simple" for solving my problem.
2) I thought that Timothy Keitt's description of the u...
1999 Nov 13
1
postgresql package for R
A preliminary release of my postgres package for R is at
http://www.nceas.ucsb.edu/~keitt/R/postgres.tgz
It allows one to read and write data frames to and from a postgres
database, execute queries and has an experimental "proxy" interface that
allows you to access postgres tables using the standard, local data
frame model. All accesses to the data frame generate the appropr...
2000 Feb 01
1
Install problems with RPgSQL
If you have had problems with the latest configure script in RPgSQL,
please try the version attached to this message. Let me know if you
have any problems. Thanks.
Tim
--
Timothy H. Keitt
National Center for Ecological Analysis and Synthesis
735 State Street, Suite 300, Santa Barbara, CA 93101
Phone: 805-892-2519, FAX: 805-892-2510
http://www.nceas.ucsb.edu/~keitt/
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1999 Nov 13
1
postgresql package for R
A preliminary release of my postgres package for R is at
http://www.nceas.ucsb.edu/~keitt/R/postgres.tgz
It allows one to read and write data frames to and from a postgres
database, execute queries and has an experimental "proxy" interface that
allows you to access postgres tables using the standard, local data
frame model. All accesses to the data frame generate the appropr...
2000 Feb 01
1
Install problems with RPgSQL
If you have had problems with the latest configure script in RPgSQL,
please try the version attached to this message. Let me know if you
have any problems. Thanks.
Tim
--
Timothy H. Keitt
National Center for Ecological Analysis and Synthesis
735 State Street, Suite 300, Santa Barbara, CA 93101
Phone: 805-892-2519, FAX: 805-892-2510
http://www.nceas.ucsb.edu/~keitt/
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2000 Feb 01
1
INSTALL script
...if it exists when
installing packages, but does not check the return value from
configure. I have my configure script abort under certain conditions
and it would be nice if the INSTALL script would stop at that point.
Also, is there an autoconf macro for testing for gnu make?
Tim
--
Timothy H. Keitt
National Center for Ecological Analysis and Synthesis
735 State Street, Suite 300, Santa Barbara, CA 93101
Phone: 805-892-2519, FAX: 805-892-2510
http://www.nceas.ucsb.edu/~keitt/
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r-devel mailing list -- Read http://www...
2001 Mar 07
1
mkString (PR#866)
Full_Name: Tim Keitt
Version: 1.2x
OS: Linux
Submission from: (NULL) (129.49.19.70)
The function "mkString" declared in "Rinternals.h" dumps core if passed a NULL
pointer.
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r-devel mailing list -- Read http://www.ci.tu...
2001 Jul 31
1
"internal" keyword
I seem to remember something about an "internal" keyword for R doc
files. How do we use it?
Tim
--
Timothy H. Keitt
Department of Ecology and Evolution
State University of New York at Stony Brook
Stony Brook, New York 11794 USA
Phone: 631-632-1101, FAX: 631-632-7626
http://life.bio.sunysb.edu/ee/keitt/
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r-devel mailing list -- Read h...
2001 Aug 28
1
Suggested change to documentation
...tion whether one should do
\keyword[key1, key2}
or
\keyword{key1}
\keyword{key2}
in .Rd files. I believe the latter is correct. (At least 'R CMD check'
complains when given the first version.) It would help to make this
explicit in the R extension writing docs.
Tim
--
Timothy H. Keitt
Department of Ecology and Evolution
State University of New York at Stony Brook
Stony Brook, New York 11794 USA
Phone: 631-632-1101, FAX: 631-632-7626
http://life.bio.sunysb.edu/ee/keitt/
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r-devel mailing list -- Read...
2001 Nov 01
1
migration to common runtime?
...common runtime environment.
Perl6 will generate byte-code for parrot, as will some future version of
python. I can imagine both drawbacks and advantages. Some advantages
would be fast byte-code execution and freely mixing perl, python and R
modules. Anyone looked into this?
Tim
--
Timothy H. Keitt
Department of Ecology and Evolution
State University of New York at Stony Brook
Stony Brook, New York 11794 USA
Phone: 631-632-1101, FAX: 631-632-7626
http://life.bio.sunysb.edu/ee/keitt/
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r-devel mailing list -- Read h...
2002 Mar 19
1
should lapply preserve attributes?
...UN))
names(rval) <- names(X)
return(rval)
}
Would it make sense to replace
names(rval) <- names(X)
with
attributes(rval) <- attributes(X)
?? I can, of course, make a local function for this, but wondered if
this change would be useful in general.
Cheers,
Tim
--
Timothy H. Keitt
Department of Ecology and Evolution
State University of New York at Stony Brook
Stony Brook, New York 11794 USA
Phone: 631-632-1101, FAX: 631-632-7626
http://life.bio.sunysb.edu/ee/keitt/
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r-devel mailing list -- Read ht...
2002 Apr 27
1
Question about .Call
Can a C function wrapped with .Call return void? Or must it return a
valid SEXP? Thnx.
Tim
--
Timothy H. Keitt
Department of Ecology and Evolution
State University of New York at Stony Brook
Stony Brook, New York 11794 USA
Phone: 631-632-1101, FAX: 631-632-7626
http://life.bio.sunysb.edu/ee/keitt/
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r-devel mailing list -- Read ht...
2000 Jul 21
1
save/load hooks
...(x) UseMethod("load.hook")
save.hook <- function(x) UseMethod("save.hook")
These would then be called on each object saved or loaded. The default
method would do nothing. This would allow saved objects to
reinitialize their state when loaded.
Cheers,
Tim
--
Timothy H. Keitt
National Center for Ecological Analysis and Synthesis
735 State Street, Suite 300, Santa Barbara, CA 93101
Phone: 805-892-2519, FAX: 805-892-2510
http://www.nceas.ucsb.edu/~keitt/
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r-devel mailing list -- Read http://www...
2007 Jun 07
1
Ubu edgy + latest CRAN R + Rmpi = no go
...ative version of R (2.3.x) and installing Edgy's r-cran-rmpi
with apt. (But I need some other packages that only work in 2.4+!)
Could this be a problem with the latest Ubu debs on CRAN? The Rmpi
author says his R 2.5 setup works fine. CC me please as I'm not
subscribed.
THK
--
Timothy H. Keitt, University of Texas at Austin
Contact info and schedule at http://www.keittlab.org/tkeitt/
Reprints at http://www.keittlab.org/tkeitt/papers/
ODF attachment? See http://www.openoffice.org/