Displaying 20 results from an estimated 9000 matches similar to: "Ad: Re: R crashes for large formulas in lm() (PR#8180)"
2005 Oct 05
0
Ad: Re: Ad: Re: R crashes for large formulas in lm() (PR#8180)
Dette er en melding med flere deler i MIME-format.
--=_alternative 004C4E4A00257091_=
Content-Type: text/plain; charset="US-ASCII"
Yes.
so (x1*x2*x3*x4*x5*x6*x7*x8)^2 = (x1+x2+x3+x4+x5+x6+x7+x8)^8 ?
and there is a difference in
(x1*x2*x3*x4*x5*x6*x7*x8)^2
and
(x1*x2*x3*x4*x5*x6*x7*x8)
althoug the resulting formulas are the same, or?
This fikses my problem, but R still crashes for the
2005 Oct 05
1
Ad: Re: R crashes for large formulas in lm() (PR#8180)
Dette er en melding med flere deler i MIME-format.
--=_alternative 004613C000257091_=
Content-Type: text/plain; charset="US-ASCII"
And some more informastion I forgot.
R does not crash if I write out the formula:
set.seed(123)
x1 <- runif(1000)
x2 <- runif(1000)
x3 <- runif(1000)
x4 <- runif(1000)
x5 <- runif(1000)
x6 <- runif(1000)
x7 <- runif(1000)
x8 <-
2005 Oct 05
0
Ad: Re: Ad: Re: R crashes for large formulas in lm() (PR#8181)
On Wed, 5 Oct 2005 Hallgeir.Grinde at elkem.no wrote:
> Yes.
> so (x1*x2*x3*x4*x5*x6*x7*x8)^2 = (x1+x2+x3+x4+x5+x6+x7+x8)^8 ?
Yes in the sense that the simplified formula given by terms() is the same.
> and there is a difference in
> (x1*x2*x3*x4*x5*x6*x7*x8)^2
> and
> (x1*x2*x3*x4*x5*x6*x7*x8)
> althoug the resulting formulas are the same, or?
The first is reduced to the
2005 Oct 05
0
Ad: Re: R crashes for large formulas in lm() (PR#8180)
> From: Peter Dalgaard
>
> Hallgeir.Grinde at elkem.no writes:
>
> > Dette er en melding med flere deler i MIME-format.
> > --=_alternative 004613C000257091_=
> > Content-Type: text/plain; charset="US-ASCII"
> >
> > And some more informastion I forgot.
> > R does not crash if I write out the formula:
> >
> > set.seed(123)
2005 Oct 05
8
R crashes for large formulas in lm() (PR#8180)
Full_Name: Hallgeir Grinde
Version: 2.1.1
OS: Windows XP
Submission from: (NULL) (144.127.1.1)
While using lm(y~(x*z*c*...*v)^2) R crashes/closes if the numbers of variables
are at least 8.
2013 Apr 13
1
how to add a row vector in a dataframe
Hi,
Using S=1000
and
simdata <- replicate(S, generate(3000))
#If you want both "m1" and "m0" #here the missing values are 0
res1<-sapply(seq_len(ncol(simdata.psm1)),function(i) {x1<-merge(simdata.psm0[,i],simdata.psm1[,i],all=TRUE); x1[is.na(x1)]<-0; x1})
res1[,997:1000]
#????? [,1]???????? [,2]???????? [,3]???????? [,4]???????
#x1??? Numeric,3000 Numeric,3000
2008 Dec 22
1
sem package fails when no of factors increase from 3 to 4
#### I checked through every 3 factor * 3 loading case.
#### While, 4 factor * 3 loading failed.
#### the data is 6 factor * 3 loading
require(sem);
cor18<-read.moments();
1
.68 1
.60 .58 1
.01 .10 .07 1
.12 .04 .06 .29 1
.06 .06 .01 .35 .24 1
.09 .13 .10 .05 .03 .07 1
.04 .08 .16 .10 .12 .06 .25 1
.06 .09 .02 .02 .09 .16 .29 .36 1
.23 .26 .19 .05 .04 .04 .08 .09 .09 1
.11 .13 .12 .03 .05 .03
2017 Aug 22
1
boot.stepAIC fails with computed formula
SImplify your call to lm using the "." argument instead of
manipulating formulas.
> strt <- lm(y1 ~ ., data = dat)
and you do not need to explicitly specify the "1+" on the rhs for lm, so
> frm2<-as.formula(paste(trg," ~ ", paste(xvars,collapse = "+")))
works fine, too.
Anyway, doing this gives (but see end of output)"
bst <-
2010 Apr 19
2
How to pass a list of parameters into a function
Does anyone know how to pass a list of parameters into a function?
for example:
somefun=function(x1,x2,x3,x4,x5,x6,x7,x8,x9){
ans=x1+x2+x3+x4+x5+x6+x7+x8+x9
return(ans)
}
somefun(1,2,3,4,5,6,7,8,9)
# I would like this to work:
temp=c(x3=3,x4=4,x5=5,x6=6,x7=7,x8=8,x9=9)
somefun(x1=1,x2=2,temp)
# OR I would like this to work:
temp=list(x3=3,x4=4,x5=5,x6=6,x7=7,x8=8,x9=9)
2011 Jun 23
0
Loops, Paste, Apply? What is the best way to set up a list of many equations?
Is there a way to apply paste to?list(form1 = EQ1, form2 = EQ2, form3 = EQ3, form4 = EQ4)?such that I don't have to write form1=EQ1 for all my models?(I might have a list of 20 or more)? I also need the EQs to read the formulas associated with them.
For example, below, I was able to automate the name assignment but I could not figure out how to?to set up the list using?paste or other
2013 May 29
3
bootstrap
Hi,
You might need to check library(boot).? I have never used that before.? So, I can't comment much.? It is better to post on R-help list.? I had seen your postings on Nabble in the past.? Unfortunately those postings were not accepted in R-help.? You have to directly post at ? r-help at r-project.org after registering at:
https://stat.ethz.ch/mailman/listinfo/r-help
?
2006 Aug 20
2
how to the p-values or t-values from the lm's results
Dear friends,
After running the lm() model, we can get summary resluts like the
following:
Coefficients:
Estimate Std. Error t value Pr(>|t|)
x1 0.11562 0.10994 1.052 0.2957
x2 -0.13879 0.09674 -1.435 0.1548
x3 0.01051 0.09862 0.107 0.9153
x4 0.14183 0.08471 1.674 0.0975 .
x5 0.18995 0.10482 1.812 0.0732 .
x6 0.24832 0.10059 2.469 0.0154 *
x7
2007 May 16
1
partial least regression
hello r-helpers:
there is a .txt file:
x1 x2 x3 x4 x5 x6 x7 x8 x9 x10 x11 y1
17 5 77 18 19 24 7 24 24 72 52 100
2 6 72 18 17 15 4 12 18 35 42 97.2
17 2 58 10 5 3 4 3 3 40 28 98
17 2 69 14 13 12 4 6 6 50 37 93
2 3 75 20 38 18 6 12 18 73 67 99
14 4 59 16 18 9 4 3 15 47 40 99.95
17 4 87 18 17 12 4 15 12 69 46 100
14 3 74 15 9 12 1 15 12 44 35 98
17 6 76 15 33 21 15 9 18 46 41 100
17 5 76 17 22 18 1
2006 Aug 31
3
what's wrong with my simulation programs on logistic regression
Dear friends,
I'm doing a simulation on logistic regression model, but the programs can't
work well,please help me to correct it and give some suggestions.
My programs:
data<-matrix(rnorm(400),ncol=8) #sample size is 50
data<-data.frame(data)
names(data)<-c(paste("x",1:8,sep="")) #8 independent variables,x1-x8;
#logistic regression model is
2008 Sep 28
1
reshape package does not recognize second id variable
I am trying to use the reshape package for the first time. I have two
waves of a survey, so the id variables include a subject
identification number and a variable denoting the wave of the survey.
I used the following arguments:
library(reshape)
svy.melt <- melt(svy, id=c("id", "WAVE"))
svy.wide <- cast(svy.melt, id ~ WAVE + ...)
and got the following error:
2006 Nov 17
2
Data table in C
After getting one list done, I am now struggling to form a data frame in C.
I tried to do a list of lists which gives me :
$<NA>
$<NA>[[1]]
[1] "BID"
$<NA>[[2]]
[1] 0.6718
$<NA>[[3]]
[1] 3e+06
$<NA>
$<NA>[[1]]
[1] "BID"
$<NA>[[2]]
[1] 0.6717
$<NA>[[3]]
[1] 5e+06
$<NA>
$<NA>[[1]]
[1] "BID"
2011 Apr 09
2
Orthoblique rotation on eigenvectors (SAS VARCLUS)
Hi All,
I'd like to build a package for the community that replicates the output
produced by SAS "proc varclus". According to the SAS documentation, the
first few steps are:
1. Find the first two principal components.
2. Perform an orthoblique rotation (quartimax rotation) on eigenvectors.
3. Assign each variable to the rotated component with which it has the
higher
squared
2008 May 13
1
Missing coefficient on a glm object
Hello guys, i looked over the archive files and found nothing about this
kind of error.
I have a database of 33 elements described in 8 variables, i'm using the
Leave-One-Out iterative process
to take one of the elements to be the test element and make a regression
with the other 32 and then
I try to predict the clas of the element out.
I'm using this call as a part of a Leave-One-Out
2017 Aug 22
1
boot.stepAIC fails with computed formula
Failed? What was the error message?
Cheers,
Bert
Bert Gunter
"The trouble with having an open mind is that people keep coming along
and sticking things into it."
-- Opus (aka Berkeley Breathed in his "Bloom County" comic strip )
On Tue, Aug 22, 2017 at 8:17 AM, Stephen O'hagan
<SOhagan at manchester.ac.uk> wrote:
> I'm trying to use boot.stepAIC for
2011 Jun 01
3
error in model specification for cfa with lavaan-package
Dear R-List,
(I am not sure whether this list is the right place for my question...)
I have a dataframe df.cfa