Displaying 18 results from an estimated 18 matches for "mlapsley".
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lapsley
1999 Oct 25
1
Summary: SQL-Interface
Some days ago I asked for general methods to access SQL-Databases.
Thanks to:
Terry Westley [twestley at buffalo.veridian.com], partha_bagchi at hgsi.com,
F.Tusell [etptupaf at bs.ehu.es], Michael Lapsley [mlapsley at ndirect.co.uk],
Robert Gentleman [rgentlem at jimmy.harvard.edu], Torsten Hothorn
[hothorn at statistik.uni-dortmund.de]
Several solutions were suggested:
(1) using Michael Lapsley's ODBC interface
which seems now available for Unix,
see www.ndirect.co.uk/~mlapsley as RODBC-0.1a.[t...
2000 Mar 08
0
RE: [R] RODBC
...x86
os Win32
system x86, Win32
status
major 1
minor 0.0
year 2000
month February
day 29
language R
> -----Original Message-----
> From: Prof Brian Ripley [mailto:ripley@stats.ox.ac.uk]
> Sent: Wednesday, March 08, 2000 11:29 AM
> To: dajm@deeq.demon.co.uk; mlapsley@ndirect.co.uk
> Cc: jens.oehlschlaegel-akiyoshi@mdfactory.de
> Subject: Re: [R] RODBC
>
>
>
> > Date: Wed, 8 Mar 2000 08:23:02 +0000
> > From: Michael Lapsley <mlapsley@ndirect.co.uk>
> > To: David Middleton <dajm@deeq.demon.co.uk>
> > Cc: Michael...
1999 Apr 19
1
math mode in box plots
...ha * "-1-m"))
Error: Object "alpha" not found
>
Tried it on both 0.63 and 0.64 with same result.
Any help much appreciated: the scatterplots look so much better with the
proper greek.
Regards,
Michael Lapsley
----------------------------------
E-Mail: Michael Lapsley <mlapsley at ndirect.co.uk>
Date: 20-Apr-99
Time: 00:23:47
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1999 Oct 18
2
core dump
...og="Y")
Segmentation fault (core dumped)
[ml at athome ml]$
Seems the bug is in errorcall().
yes, I know the syntax is wrong, but it is an easy mistake
to make and it is inconvenient to lose the work space at times.
Michael
----------------------------------
E-Mail: Michael Lapsley <mlapsley at ndirect.co.uk>
Date: 18-Oct-99
Time: 00:39:06
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1999 Oct 22
0
on-line documentation (was AR models)
...seanet.com/~pburns/Spoetry/
Michael Lapsley
<mlapsley at ndirect.co To: r-Help List <r-help at stat.math.ethz.ch>
.uk> cc: Michael HART <mhart at terrigal.net.au>
Sent by: Subject:...
1999 Oct 16
1
ODBC database access package
...k OK, but I would appreciate any suggestions
for improved robustness, bug fixes, or improvements.
I need a volunteer to compile this for windows and see if it works. I believe
from microsoft.com that VC++ comes with an odbc library: can someone please
help?
The files are on www.ndirect.co.uk/~mlapsley as RODBC-0.1a.[tgz | zip]
If people have had a look and and think it merits a place on CRAN then I will
submit a version with any bugs found ironed out.
Thanks to the folk who answered some of the questions about problems I had
writing this. It is my first attempt at reusable R code and I hope it...
1999 Oct 13
1
dataframe transposition
...LCA = 259, MCM = 136, MDH = 266, ML = 27,
SA = 1), .Names = c("JMC", "LCA", "MCM", "MDH", "ML", "SA"
), row.names = "1", class = "data.frame")
>
----------------------------------
E-Mail: Michael Lapsley <mlapsley at ndirect.co.uk>
Date: 13-Oct-99
Time: 01:12:23
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1999 Oct 11
1
if(grep())
...exactly intuitive and it took me ages to get past what should be a
very simple couple of lines.
Am I missing something more obvious? I'm sure that if I need to do this
in 6 months time I'm not going to remember how I did it!
----------------------------------
E-Mail: Michael Lapsley <mlapsley at ndirect.co.uk>
Date: 12-Oct-99
Time: 00:04:03
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1999 Nov 06
1
configure in libraries
...am tarting up my odbc library, and I would like to stop the install process
if the needed header files and libraries are not present on the system. Error
messages flash past so fast that it is easy to miss their significance.
Michael
----------------------------------
E-Mail: Michael Lapsley <mlapsley at ndirect.co.uk>
Date: 06-Nov-99
Time: 19:16:30
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2000 Oct 03
1
Bug in RODBC ?
Dear lists,
It seems that RODBC has a problem : when reading through ODBC from an Access
table with missing values, *character* missing values are (correctly) reported
as NA factor values. *Numeric* values, however, retain the value of the same
variable in the previous row.
My setup : R 1.1.1 under Win95, RODBC as compiled with the R Win CRAN
distribution, MS Access 97.
I just discovered this,
2000 Oct 03
1
Bug in RODBC ?
Dear lists,
It seems that RODBC has a problem : when reading through ODBC from an Access
table with missing values, *character* missing values are (correctly) reported
as NA factor values. *Numeric* values, however, retain the value of the same
variable in the previous row.
My setup : R 1.1.1 under Win95, RODBC as compiled with the R Win CRAN
distribution, MS Access 97.
I just discovered this,
1999 Oct 14
2
use of databases with R?
Is it possible to access data stored in microsoft access databases using
R for windows or Linux?
Thanks,
Joel
--
***************************
jallen at students.cas.unt.edu
University of North Texas
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1999 Oct 04
1
SQL-Interface
Can anyone give advice how to interactively exchange data between R and
SQL-Databases like DB2, ORACLE, MS-SQL-Server ?
If the answer is: 'currently not', this would be information for me as well.
I will summarize to the list.
Best regards
--
Dr. Jens Oehlschl?gel-Akiyoshi
MD FACTORY GmbH
Bayerstrasse 21
80335 M?nchen
Tel.: 089 545 28-27
Fax.: 089 545 28-10
http://www.mdfactory.de
2005 Feb 24
2
sqlSave reports invalid regular expression '[^[:alnum]_]+' (PR#7703)
Full_Name: David Whiting
Version: 2.1.0 Under development (unstable)
OS: linux
Submission from: (NULL) (82.39.106.169)
I have just upgraded from a previous version (2.0.0?) and found some of my code
that used okay to run now gives an error. The function being called is
sqlSave(). I am pretty sure (but not 100% certain) that the data frame I am
trying to save has not changed. I am 100% sure that
2000 Apr 01
1
Bug ? mine or ? in R core
Dear R Gurus,
I would very much appreciate some help with this code snippit
from my RODBC package.
R crashes or exhibits bizarre behaviour when repeatedly fetching
large numbers of rows.
Examples:
> odbcFetchRows(0,max=50000)->xx
> odbcFetchRows(0,max=50000)->xx
> odbcFetchRows(0,max=50000)->xx
> odbcFetchRows(0,max=50000)->xx
> odbcFetchRows(0,max=50000)->xx
3rd
1999 Sep 30
6
Graphics output device
...ally generated graphs displayed on a web page: mouse capture clearly is
out! Would saving graphs in pnm or some other convertable format be difficult?
(Or perhaps there is a package that I have not noticed?)
Regards,
Michael Lapsley
----------------------------------
E-Mail: Michael Lapsley <mlapsley at ndirect.co.uk>
Date: 01-Oct-99
Time: 00:13:26
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2000 May 24
2
RODBC
Dear R-fans,
My database access package RODBC is now available on CRAN.
For those who have never used it, odbc is a database and
platform independant API which provides an SQL interface
to a large number of database engines. The databases supported
include not only SQL based RDBMS but also CSV files, foxbase,
dBase, MSExcel etc.
ODBC has been promoted mainly by Microsoft and this is where the
2000 May 24
2
RODBC
Dear R-fans,
My database access package RODBC is now available on CRAN.
For those who have never used it, odbc is a database and
platform independant API which provides an SQL interface
to a large number of database engines. The databases supported
include not only SQL based RDBMS but also CSV files, foxbase,
dBase, MSExcel etc.
ODBC has been promoted mainly by Microsoft and this is where the