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a04
2011 Aug 25
2
how to read a group of files into one dataset?
for example : I have files with the name
"ma01.dat","ma02.dat","ma03.dat","ma04.dat",I want to read the data in
these files into one data.frame
flnm<-paste("obs",101:114,"_err.dat",sep="")
newdata<-read.table(flnm,skip=2)
data<-(flnm,skip=2)
but the data only contains data from the flnm[1]
I also tried as below :
for (i in 1:9) {
d...
2008 Aug 05
0
P values in non linear regression and singular gradients using nls
...>
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Message: 4
Date: Sun, 03 Aug 2008 09:53:59 -0400
From: Thomas P C Chu <tchu11 at netscape.net>
Subject: Re: [R] drop1() seems to give unexpected results compare to
anova()
To: r-help at r-project.org
Message-ID: <8CAC38783A1F557-DCC-1DB6 at WEBMAIL-MA04.sysops.aol.com>
Content-Type: text/plain; charset="us-ascii"; format=flowed
Thanks to Mr Dalgaard for his advice and everyone else who has
contributed. Inclusion of an error term at the end of sim.set$y = ...
line did cure my problems with drop1() and step().
I suppose it is my own...