Displaying 4 results from an estimated 4 matches for "jfri".
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fri
2004 Apr 02
3
Doing SQL GROUP BY in R
I want a list of the number of times some factor levels appear together,
similar to the following SQL statement:
SELECT A, B, COUNT(C) FROM TBL GROUP BY A, B
How do I do that with a data.frame in R?
Thanks,
Jesper Frickmann
Statistician, Quality Control
Novozymes North America Inc.
77 Perry Chapel Church Road
Franklinton, NC 27525
USA
Tel. +1 919 494 3266
[[alternative HTML version deleted]]
2003 Nov 10
8
Memory issues..
Hi dear R-listers, I'm trying to fit a 3-level model using lme in R. My
sample size is about 2965 and 3 factors:
year (5 levels), ssize (4 levels), condition (2 levels).
When I issue the following command:
>
lme(var~year*ssize*condition,random=~ssize+condition|subject,data=smp,method
="ML")
I got the following error:
Error in logLik.lmeStructInt(lmeSt, lmePars) :
2003 Nov 21
1
output files in a different directory
Yes it is. Example from my program:
workdir <- "S:\\Stat\\C03202\\R-output\\"
...
sink(file=paste(workdir, assayname, "-1.txt", sep=""))
...
win.metafile(filename = paste(workdir, assayname, "-2%02d.wmf", sep=""))
You get the idea!
Kind regards,
Jesper Frickmann
Statistician, Quality Control
Novozymes North America Inc.
Tel. +1 919 494
2007 Mar 19
1
Introducing myself
I am new to this group and would like to introduce myself. I am the
President of US AngelInvestors,an angel investor group in Silicon
Valley,and also founder of Bay Area Startup Network a networking group
in the Bay Area.
I invite you to join my network on LinkedIn, which I use much
principally. I am always looking at increasing my contacts, and
welcome new deals. You can connect with me on