Displaying 20 results from an estimated 20000 matches similar to: "Error Message"
2002 Apr 18
4
Silly Question
After I source an R code, how can I call the function?
Thanks
Rick
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2002 May 16
2
S-Plus Files
Hi All,
Could someone tell me if R can read the .sdd data file from s-plus?
Thanks
Rick
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2002 Sep 16
2
TclTk Again
Dear All,
Following Zhang instructions I add the environmental variables, but now I
receive the following message:
> library(tcltk)
Error in firstlib(which.lib.loc, package) :
Can't find a usable init.tcl in the following directories:
{ C:\tcl\lib\tcl8.3}
This probably means that Tcl wasn't installed properly.
Error in library(tcltk) : .First.lib failed
I'm using R Win
2002 Apr 29
1
New Realease
Dear All
I'm currently using the R 1.4 for Window 2000. Now I would like to update
my system to new realease 1.5. I downloaded the base, now how I need to
procced in order to install it?
Sorry the silly question, but this is my first upgrade.
Thanks a lot
Rick
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1998 Sep 22
1
R-beta: port of bicreg package to R?
R version: 0.62.1 (June 15, 1998)
I just very naively attempted to grab the 'bicreg' package for
Bayesian model selection from the StatLib library, and get it running
under R.
I've hit a brick wall very quickly, and as an R novice I'm not sure
where to go next.
Here's what happened:
> bicreg(as.matrix(hiv[,c(-17,-18)]),as.matrix(hiv[,18]))
Error: invalid formula
>
2006 Apr 23
1
Question about bicreg
Dear Adrian and Ian (and r-helpers),
I encountered a curious result in developing an example using the bicreg
function in the BMA package: I noticed that pairs of models with equal R^2
and equal numbers of predictors had nevertheless different BIC values.
Looking at the bicreg function, the definition of BIC appears to be the
usual one, or close to it [bic <- n * log(1 - r2/100) + (size - 1) *
2009 Nov 02
1
AR Simulation with non-normal innovations - Correct
Dear Users,
I would like to simulate an AR(1) (y_t=ct1+y_t-1+e_t) model in R where the innovations are supposed to follow a t-GARCH(1,1) proccess.
By t-GARCH I want to mean that:
e_t=n_t*sqrt(h_t) and
h_t=ct2+a*(e_t)^2+b*h_t-1.
where n_t is a random variable with t-Student distribution.
If someone could give some guidelines, I can going developing the model.
I did it in matlab, but the loops
2002 Apr 15
2
krige and polygon limit problem
Dear all,
I'm new on R and this mailing list. We work on spatial rainfall estimation
with R and Grass.
We have a problem with the krige function from the sgeostat package. We would
like to limit the estimated area with a polygon limit.
I use a 50 points polygon to describe my work area. The krige function work
quiet well without limit. But if I use this option I have the following error
2004 Feb 01
4
I can't make .C(...) web-page example.
Hi everyone!
I'm trying to lear how to call external C code in R but even the R help
web-page example is drive me crazy.
I copy-paste the example at:
http://stat.ethz.ch/R-manual/R-patched/doc/manual/R-exts.html#Interface%20functions%20.C%20and%20.Fortran
here is the example:
void convolve(double *a, int *na, double *b, int *nb, double *ab)
{
int i, j, nab = *na + *nb - 1;
for(i = 0;
2005 Jun 07
1
ordglm -- simple question
My attempt to test a model using ordglm code is running into problems, and
I thought if you have a moment you might illucidate the situation.
Here is the data:
http://www.people.fas.harvard.edu/~corr/6.4.05.RData
Here is the code:
# I coerce tcn8 matrix data to a vector, because ordglm will not accept
matrix data.
y<-as.vector(tcn8[,62])
x<-as.vector(tcn8[,60])
2008 May 30
1
Aggregation and the meaning of class
Dear R-ers,
My aggregation saga continues.
Using the following sequence, I can calculate any statistic for row
groups and merge the result back to all associated rows ...
> WM = by( D60, D60[ "KeyProfA"], FUN=function(x) weighted.mean( x$IAC, x$Wt))
> D60$IAC.WM = as.numeric( WM[ D60$KeyProfA])
> class( WM)
[1] "by"
Questions ...
1) Is this a reasonable way
2013 Jan 11
1
[LLVMdev] Requesting Feedback on my LLVM How-To
On Jan 10, 2013, at 22:10 , Sean Silva <silvas at purdue.edu> wrote:
> On Thu, Jan 10, 2013 at 8:25 AM, Rick Mann <rmann at latencyzero.com> wrote:
>> I've been writing up my experience embedding LLVM in a Cocoa app. If anyone would like to see it and give feedback, I'd appreciate it. It's still not finished, but the first part is there:
>>
>>
2017 Mar 30
0
get_all_vars() does not handle rhs matrices in formulae
Hello again,
It appears that get_all_vars() incorrectly handles model formulae that
use a right-hand side (rhs) matrix. For example, consider these two
substantively identical models:
# model using named variables
mpg <- mtcars$mpg
wt <- mtcars$wt
hp <- mtcars$hp
m1 <- lm(mpg ~ wt + hp)
# model using matrix
y <- mtcars$mpg
x <- cbind(mtcars$wt, mtcars$hp)
m2 <- lm(y ~ x)
2018 Jun 07
3
FTS Solr errors using doveadm
Solr 7 returns JSON by default but fts_solr requires XML.
Would be good to have wt=xml added to the query to force it to xml all the time, this would prevent errors if solr has
not had xml set as default for index.
Dovecot 2.2.36
Centos 6
*Doveadm Request:*
doveadm search -u caroline at covermg.com TEXT smith
doveadm(caroline at covermg.com): Error: fts_solr: Invalid XML input at 1:0: not
2009 Jan 20
5
Problem with subset() function?
Hi all,
Can anyone explain why the following use of
the subset() function produces a different
outcome than the use of the "[" extractor?
The subset() function as used in
density(subset(mydf, ht >= 150.0 & wt <= 150.0, select = c(age)))
appears to me from documentation to be equivalent to
density(mydf[mydf$ht >= 150.0 & mydf$wt <= 150.0, "age"])
2010 Aug 14
1
is it possible to map 2 plots(c and d) in a single output plot?
is it possible to map 2 plots(c and d) in a single output plot?
library(ggplot2)
c <- ggplot(mtcars, aes(qsec, wt))
d <- ggplot (mtcars, aes(qsec, wt))
c + stat_smooth(fill="darkgrey", colour="blue", size=2, alpha = 0.2)
d + stat_smooth(fill="darkgrey", colour="red", size=2, alpha = 0.2)
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2003 Dec 08
0
TukeyHSD changes if I create interaction term
Dear R community,
I'm trying to understand this behavior of TukeyHSD. My goal is to obtain
defensible, labelled multiple comparisons of an interaction term.
Firstly, if I plot the TukeyHSD from the model that calculates its own
interactions, then the y-axis labels appear to be reflected on their median
when compared to the text output of the TukeyHSD statement. The labels are
integers.
2000 Dec 18
3
problems with glm (PR#771)
R1.2.0 with Linux RH5.2
I do not believe that the problems below are new to 1.2 but I only
cover this sort of thing once a year in my course and some of that
happened to be last Friday so too late to report for 1.2. I see that
one or two things that I was going to report have been corrected.
I like the fact that interactions now show : instead of .
Here is some output with comments inserted.
R
2000 Dec 18
3
problems with glm (PR#771)
R1.2.0 with Linux RH5.2
I do not believe that the problems below are new to 1.2 but I only
cover this sort of thing once a year in my course and some of that
happened to be last Friday so too late to report for 1.2. I see that
one or two things that I was going to report have been corrected.
I like the fact that interactions now show : instead of .
Here is some output with comments inserted.
R
2006 Jul 12
1
Prediction interval of Y using BMA
Hello everybody,
In order to predict income for different time points, I fitted a linear
model with polynomial effects using BMA (bicreg(...)). It works fine, the
results are consistent with what we are looking for.
Now, we would like to predict income for a future time point t_next and of
course draw the prediction interval around the estimated value for this
point t_next. I've found the