Re: [R] can't use function vcov with a GAMLSS object??

2009-11-23 Thread Chris Howden
e with unknowns must not be factors check income > thanks Chris Howden Marketing Scientist For all your Analysis, Modelling, Experimental Design and Training needs (mobile) 0410 689 945 (fax / office) (+618) 8952 7878 tall.chr...@yahoo.com.au

[R] Can anyone suggest some r packages for Experimental Designs, specifically for choice and conjoint??? (or is intersted in helping me make 1)

2009-05-11 Thread Chris Howden
nyone out there keen to help me (even if its just testing out my beta versions) Chris Howden Marketing Scientist For all your Analysis, Modelling, Experimental Design and Training needs (mobile) 0410 689 945 (fax / office) (+618) 8952 7878 tall.chr...@yahoo.com.au [[alternati

[R] Can anyone suggest some r packages for Experimental Designs, specifically for choice and conjoint??? (or is intersted in helping me make 1)

2009-05-12 Thread Chris Howden
nyone out there keen to help me (even if its just testing out my beta versions) Chris Howden Marketing Scientist For all your Analysis, Modelling, Experimental Design and Training needs (mobile) 0410 689 945 (fax / office) (+618) 8952 7878 tall.chr...@yahoo.com.au

[R] problem reading in a csv file

2009-06-22 Thread Chris Howden
2264 2264 2264 2264 2264 2264 384 2264 2264 384 2264 2264 2264 2264 2264 2264 2264 2264 [23] 2264 2264 2264 2264 152 2264 384 2264 2264 2264 2264 2264 2264 2264 2264 2264 2264 2264 2264 2264 2264 2264 Chris Howden Marketing Scientist For all your Analysis, Modelling, Experimental Design a

[R] do the standard R analysis functions handle spatial "grid" data?

2010-07-12 Thread chris howden
27;grid' format and require data to be entered as a 2-d data.frame or matrix? Are there other special functions out there that can handle this type of data, and I should be using these instead? Thanks for your help Chris Howden Founding Partner Tricky Solutions Tricky Solutions 4 Tricky Problem

Re: [R] data from SpatialGridDataFrame

2010-07-20 Thread chris howden
I'm not that familiar with this type of data. I just had a similar issue, but had a GIS person do it in Arc view. But maybe try some of the following functions? Match %in% Plus I'll forward U the replies I got to my post Good luck :-) -Original Message- From: r-help-boun...@r-project.o

[R] can't find and install reshape2??

2010-10-03 Thread Chris Howden
Does anyone have any ideas what could be going on? Chris Howden Founding Partner Tricky Solutions Tricky Solutions 4 Tricky Problems Evidence Based Strategic Development, IP development, Data Analysis, Modelling, and Training (mobile) 0410 689 945 (fax / office) (+618) 8952 7878 ch..

Re: [R] Memory limit problem

2010-10-11 Thread Chris Howden
nt to do a cbind and not a merge U might be able to use one of the following packages. These store the data on disk (rather than RAM) and might allow u to cbind them. Filehash Ff Chris Howden Founding Partner Tricky Solutions Tricky Solutions 4 Tricky Problems Evidence Based

Re: [R] can't find and install reshape2??

2010-10-11 Thread chris howden
-Original Message- From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] On Behalf Of Jeffrey Spies Sent: Monday, 4 October 2010 10:57 AM To: Chris Howden Cc: r-help@r-project.org Subject: Re: [R] can't find and install reshape2?? The first argument

Re: [R] can't find and install reshape2??

2010-10-11 Thread chris howden
--Original Message----- From: chris howden [mailto:tall.chr...@yahoo.com.au] Sent: Tuesday, 12 October 2010 3:48 PM To: 'Jeffrey Spies'; 'David Winsemius' Cc: 'r-help@r-project.org' Subject: RE: [R] can't find and install reshape2?? Hi Guys, Thanks for your suggesti

[R] merging and working with BIG data sets. Is sqldf the best way??

2010-10-11 Thread Chris Howden
filehash ·bigmemory Does anyone have any ideas? At the moment my best idea is to hand it over to someone with a dedicated database server and get them to do the merges (and then hope package biglm can do the modelling) Thanks for any ideas at all!! Chris Howden Founding Pa

Re: [R] merging and working with BIG data sets. Is sqldf the best way??

2010-10-14 Thread Chris Howden
m.time(sqldf("create index ai2 on B(POINTID)")) or system.time(sqldf("create index ai1 on A(POINTID,alistair)")) system.time(sqldf("create index ai2 on B(POINTID, alistair_range)") I'm now using the following join statement system.time(data2 <- sqldf("se

Re: [R] merging and working with BIG data sets. Is sqldf the best way??

2010-10-15 Thread Chris Howden
stopped at: 10.56 0.04 10.87 > sqldf() Error in sqliteCloseConnection(conn, ...) : RS-DBI driver: (close the pending result sets before closing this connection) ## # and some memory info ## > memory.size() [1] 412.6 > memory.size(NA) [1] 4095 Chris Howden Founding Partner Tricky

Re: [R] can't find and install reshape2??

2010-10-18 Thread Chris Howden
thanks to the helpful R community I know now what to do if I have a similar problem in the future) Chris Howden Founding Partner Tricky Solutions Tricky Solutions 4 Tricky Problems Evidence Based Strategic Development, IP development, Data Analysis, Modelling, and Training (mobile) 0410 689 945 (fax

[R] is there a way to update both packages if they occur in 2 libraries?

2010-10-19 Thread Chris Howden
OGRA~1/R/R-212~1.0/library" > .libPaths("new") > .libPaths() [1] "C:/PROGRA~1/R/R-212~1.0/library" Foreign package will load > library(foreign) Chris Howden Founding Partner Tricky Solutions Tricky Solutions 4 Tricky Problems Evidence Based Strat

Re: [R] is there a way to update both packages if they occur in 2 libraries?

2010-10-20 Thread Chris Howden
3 UTC; ripley Repository: CRAN Date/Publication: 2010-01-03 14:06:04 Built: R 2.9.2; i386-pc-mingw32; 2010-01-03 23:21:40 UTC; windows Chris Howden Founding Partner Tricky Solutions Tricky Solutions 4 Tricky Problems Evidence Based Strategic Development, IP development, Data Analysis, Modell

Re: [R] is there a way to update both packages if they occur in 2 libraries?

2010-10-20 Thread Chris Howden
R. So I'm guessing the problem I was having would occur when ever this happens and people have the old package in their personal libraries. (which would likely be the case if it's considered good enough to add to base R) Not really a 'bug' of R. But something I'll remembe

Re: [R] is there a way to update both packages if they occur in 2 libraries?

2010-10-20 Thread Chris Howden
Thanks for the explanation Brian, I used the summary(packageStatus()) to have a look at what was available and in each library. And then deleted all libraries that came with R2.12.0 from my personal library. And everything now works. Chris Howden Founding Partner Tricky Solutions Tricky

Re: [R] Memory issues

2011-01-16 Thread Chris Howden
un gc() after this to insure the new memory is available 3) make sure U've assigned as much memory to R as possible using memory.size() And make sure u have r's Chris Howden Founding Partner Tricky Solutions Tricky Solutions 4 Tricky Problems Evidence Based Strategic Development, IP Commer

Re: [R] how to replace NA with a specific score that is dependant on another indicator variable

2010-09-01 Thread Chris Howden
5.9 etc Any ideas would be very much appreciated! thankyou Chris Howden Founding Partner Tricky Solutions Tricky Solutions 4 Tricky Problems Evidence Based Strategic Development, IP development, Data Analysis, Modelling, and Training (mobile) 0410 689

[R] how to replace NA with a specific score that is dependant on another indicator variable

2010-09-01 Thread Chris Howden
5.9 etc Any ideas would be very much appreciated! thankyou Chris Howden Founding Partner Tricky Solutions Tricky Solutions 4 Tricky Problems Evidence Based Strategic Development, IP development, Data Analysis, Modelling, and Training (mobile) 0410 689

[R] Is there a better way to parse strings than this?

2011-04-12 Thread Chris Howden
ht" > # Put Brand name in a variable > str2 <- substr(test,break1+3, nchar(test)) > str2 [1] "Dulux" "Haymes" "Solver" [4] "Taubmans.or.Bristol" "Wattyl" "Other" Thanks for any an

Re: [R] Is there a better way to parse strings than this?

2011-04-14 Thread Chris Howden
\.\\.") Could anyone please explain why I should have used "\\.\\.\\." rather than "\.\.\."? Chris Howden Founding Partner Tricky Solutions Tricky Solutions 4 Tricky Problems Evidence Based Strategic Development, IP Commercialisation and Innovation, Data Anal

Re: [R] Is there a better way to parse strings than this?

2011-04-18 Thread Chris Howden
nto the string being passed to the function I also need to escape its special meaning, so I need to use "\\.\\.\\." Chris Howden Founding Partner Tricky Solutions Tricky Solutions 4 Tricky Problems Evidence Based Strategic Development, IP Commercialisation and Innovation, Data Analysis,

[R] Can R handle a matrix with 8 billion entries?

2011-08-09 Thread Chris Howden
would be welcome. Thanks. Chris Howden Founding Partner Tricky Solutions Tricky Solutions 4 Tricky Problems Evidence Based Strategic Development, IP Commercialisation and Innovation, Data Analysis, Modelling and Training (mobile) 0410 689 945 (fax / office) ch...@trickysolutions.com.au Disclaimer

Re: [R] Can R handle a matrix with 8 billion entries?

2011-08-10 Thread Chris Howden
too many entries for R’s architecture to know how to store in memory, even if I had memory that was big enough to store it. Again, I’m no expert in this so I may be wrong. Chris Howden Founding Partner Tricky Solutions Tricky Solutions 4 Tricky Problems Evidence Based Strategic Development

[R] anova or liklihood ratio test from biglm output

2011-11-02 Thread Chris Howden
would be kind enough to confirm it)? Or has any better suggestions, ideas or comments? Thankyou Chris Howden B.Sc. (Hons) GStat. Founding Partner Evidence Based Strategic Development, IP Commercialisation and Innovation, Data Analysis, Modelling and Training (mobile) 0410 689 945 (fax) +612