search for: howden

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2010 Oct 04
3
can't find and install reshape2??
...click on “install package” it’s not coming up!?!?! I’m getting reshape, but no reshape2? I’ve also tried download.packages(reshape2, destdir="c:\\") & download.packages(Reshape2, destdir="c:\\")…but no luck!!! 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 chris@trickysolutions.com.au [[alternative HTML version deleted]]
2010 Sep 01
8
how to replace NA with a specific score that is dependant on another indicator variable
...1 5 3.2 2.5 1 4.5 3 4 2 3.5 7 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 689 945 (fax / office) (+618) 8952 7878 chris@trickysolutions.com.au [[alternative HTML version deleted]]
2010 Oct 12
2
merging and working with BIG data sets. Is sqldf the best way??
...ff · 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 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 chris@trickysolutions.com.au [[alternative HTML version deleted]]
2010 Oct 20
1
is there a way to update both packages if they occur in 2 libraries?
...re-install it > .libPaths() [1] "C:\\Program Files\\R\\library" "C:/PROGRA~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 Strategic Development, IP development, Data Analysis, Modelling, and Training (mobile) 0410 689 945 (fax / office) (+618) 8952 7878 chris@trickysolutions.com.au [[alternative HTML version deleted]]
2009 Jun 22
5
Convert "ragged" list to matrix
Hi, I have a list made up of character strings with each item a different length (each item is between 1and 6 strings long). Is there a way to convert a "ragged" list to a matrix such that each item is its own row? Here is a simple example: a=list(); a[[1]] = c("a", "b", "c"); a[[2]] = c("d", "e"); a[[3]] = c("f",
2009 May 12
1
Can anyone suggest some r packages for Experimental Designs, specifically for choice and conjoint??? (or is intersted in helping me make 1)
...Thanks for your help PS: And if all else fails I''m thinking about trying to extend AlgDesign to incorporate balance as a criteria when searching for designs. So just wondering if there''s anyone 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.chriss@yahoo.com.au [[alternative HTML version deleted]] Send instant messages to your online friends http://au.messenger.yahoo.com
2004 Jul 01
3
Using Token Bucket Filter to simulate a low bandwidth radio link
...tc qdisc add dev eth0 root tbf rate 5kbit burst 0.01kbit limit 50kbit peakrate 5kbit minburst 500 and to simulate a temporary link loss I use tc qdisc change dev eth0 root tbf rate 0.001kbit burst 0.01kbit limit 50kbit peakrate 5kbit minburst 500 Any help would be much appreciated. -- Nick Howden - Senior IT Analyst QinetiQ Trusted Information Management Woodward Building, Room B009 Malvern Technology Park, WR14 3PS Telephone 01684 895566, Fax 896660 The Information contained in this E-Mail and any subsequent correspondence is private and is intended solely for the intended recipient(s)....
2009 Nov 24
0
can't use function vcov with a GAMLSS object??
...formula, .envir = envir, .start = start.v, : covariates in formulae with unknowns must not be factors check sizecovariates in formulae with unknowns must not be factors check typecovariates in formulae 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.chriss@yahoo.com.au [[alternative HTML version deleted]]
2005 Mar 30
1
Omega 2 boolean values.
Morning All, I have a boolean value called: countyid with the i.d. of XL Is it possible to give a unique entry two values so if I search for XL1 or XL2 this unique entry is shown in both queries? Cheers John
2011 Nov 03
0
anova or liklihood ratio test from biglm output
...glm object, so I think I should be able to calculate the LRT and get my p-value if I assume a chi-squared distribution. I was wondering if anyone sees any problems with this approach (or 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 4782 9023 chris@trickysolutions.com.au [[alternative HTML version deleted]]
2011 Jan 16
1
Memory issues
Hi, I have read several threads about memory issues in R and I can't seem to find a solution to my problem. I am running a sort of LASSO regression on several subsets of a big dataset. For some subsets it works well, and for some bigger subsets it does not work, with errors of type "cannot allocate vector of size 1.6Gb". The error occurs at this line of the code: example <-
2011 Jan 17
2
How to still processing despite bug errors?
...Winsemius) > 50. Re: a remove question (Hugo Mildenberger) > 51. Computing and Finding (ufuk beyaztas) > 52. WORK AREA TO SAVE (Barbara.Rogo@uniroma1.it) > 53. Re: WORK AREA TO SAVE (Duncan Murdoch) > 54. Re: a remove question (Pete Brecknock) > 55. Re: Memory issues (Chris Howden) > 56. Re: how to calculate the consistency of different clusterings > (Michael Bedward) > 57. Re: ODD ODD ODD stuff!! (Sarah Goslee) > 58. Re: rootogram for normal distributions (Deepayan Sarkar) > 59. effects packages for mixed model? (array chip) > 60. Using summaryBy...
2010 Oct 15
0
nomianl response model
...ic messages from Allianz, please forward a copy of this email to unsubscribe at allianz.com.au with the word unsubscribe in the subject header. ------------------------------ Message: 117 Date: Wed, 13 Oct 2010 19:31:52 -0400 From: Gabor Grothendieck <ggrothendieck at gmail.com> To: Chris Howden <chris at trickysolutions.com.au> Cc: r-help at r-project.org Subject: Re: [R] merging and working with BIG data sets. Is sqldf the best way?? Message-ID: <AANLkTi=gE-AYOwGjfQOQPvwvN+SLAr+4AJQKz9dNxP01 at mail.gmail.com> Content-Type: text/plain; charset=windows-1252 On Tue, Oct 12,...