I cannot make sense of your email. This is partly due to your use of HTML,
which the Posting Guidelines warn you not to do.
The symbolic language used on this mailing list is R. The linear algebra
operations available in R are rather straightforward. Please read the
documentation and convey yo
This is interesting, can you post your lm.ridge solution as well? I
suspect in glmnet, you need to use model.matrix with intercept, that
could be the reason.
-m
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Here is some sample code:
## Simulation function to create data, analyze it using
## kruskal.test, and return the p-value
## change rexp to change the simulation distribution
simfun <- function(means, k=length(means), n=rep(50,k)) {
mydata <- lapply( seq_len(k), function(i) {
rexp(n[i], 1)
Dear colleagues,
I wanted to run a command to do iteration for the following equation:
Pj+1=TT11+FtransposeTT22F-FtransposeTT21-TT12
F+y[(Atranspose-FtransposeBtranspose)P(A-BF)]
where TT11, TT22,TT12, TT21, F transpose, A, B and F are matrices and y is
a scalar
we want to find the iteration for P
You might try the readxl package - it's only available on github but it
reads both xlsx and xls. All going well, it should be on its way to CRAN
next week.
Hadley
On Friday, April 3, 2015, Luigi Marongiu wrote:
> Dear all,
> I am trying to open excel files using the gdata package. I can do that
Dear R users
I'm trying to do a RDA analysis based on Borcard et al. 2011 Numerical
Ecology with R examples.
What I cannot understand is why when I run the script (RDA.R) using the
dataset from book (dataset1.rar) RDA triplot shows species names and when I
use my dataset (dataset2.rar) species na
Thank you very much Greg, I will give that a try.
Best,
Collin.
On Fri, Apr 3, 2015 at 1:43 PM, Greg Snow <538...@gmail.com> wrote:
> Here is some sample code:
>
> ## Simulation function to create data, analyze it using
> ## kruskal.test, and return the p-value
> ## change rexp to change
What is the error message?
Best,
Uwe Ligges
On 03.04.2015 23:07, Ronald Wyllys wrote:
For an edx course, MIT's "The Analtics Edge", I need to install the
"caret" package that was originated and is maintained by Dr. Max Kuhn of
Pfizer. So far, every effort I've made to try to
install.packages("c
Hi Ron,
Without knowing more it's really hard to help. What error messages are
you getting?
"failed" and "no success" are utterly uninformative - there are many
things that could be wrong.
The first thing, though, is always to check whether you have the
necessary dependencies installed, eg devel
For an edx course, MIT's "The Analtics Edge", I need to install the
"caret" package that was originated and is maintained by Dr. Max Kuhn of
Pfizer. So far, every effort I've made to try to
install.packages("caret") has failed. (I'm using R v. 3.1.3 and RStudio
v. 0.98.1103 in LinuxMint 17.1)
Hi Xavier,
I use the fitdistrplus and logspline packages to know which distribution fits
better my data.
Here is an example :
install.packages("fitdistrplus")
library(fitdistrplus)
instal.packages("logspline")
library(logspline)
x=c(44986,18288,56147,44488,41018,40631,27301,39025,45688,47172,1
I had poor luck with gdata. I have had better luck with XLConnect. There is no
single best package for this, since each seems to leverage efforts made in
other languages (so there are non-R configuration requirements to keep working)
and Excel is a proprietary moving target. In general YMMV when
Dear all,
I am trying to open excel files using the gdata package. I can do that
using a .xls file, but the same file, containing the same data,
formatted in .xlsx gives error (R does not recognize the pattern from
where to start reading the data).
Doen anybody knows whether it is possible to read
Dimitri,
To answer your questions:
The colorRamp() function creates a new function, newpal().
The value returned by newpal() is a numeric matrix of RGB color values.
The rgb() function is then used to convert this numeric matrix to colors,
with the argument maxColorValue
giving the maximum of the
ave() is your friend (unfortunately named as it may be):
> ave(dat$seq, dat$ts, FUN=cumsum)
[1] 1 1 1 1 1 1 1 2 2 2 2 2 2 2 3 3 3 3 3 3 3 1 1 1 1 1 1 1 2 2 2 2 2 2 2 1 1 1
[39] 1 1 1 1 2 2 2 2 2 2 2 3 3 3 3 3 3 3
> On 03 Apr 2015, at 14:17 , Morway, Eric wrote:
>
> This small example will be
On Apr 3, 2015, at 5:17 AM, Morway, Eric wrote:
> This small example will be applied to a problem with 1.4e6 lines of data.
> First, here is the dataset and a few lines of R script, followed by an
> explanation of what I'd like to get:
>
> dat <- read.table(textConnection("ISEG IRCH val
> 1
On Apr 3, 2015, at 5:09 AM, Wing Keong Lew wrote:
> Hi,
>
> Is it a requirement to provide the break intervals of the cut function in
> ascending order?
Apparently not. I get teh sam splits even with random permutations. It is
apparently a "requirement" to make sure you labels match the sorte
Hi,
Is it a requirement to provide the break intervals of the cut function in
ascending order? The help documentation for cut didn't specify this but the
labels returned are reversed if I indicate the break intervals in a descending
order. Here is an example
tbl<-data.frame(x=c(0:10))
tbl$asce
Dear R experts,
I have used waveletcomp package of R and was
trying to get the dates formatted as month & year but get below error while
trying it with the example provided in
http://www.hs-stat.com/projects/WaveletComp/WaveletComp_guided_tour.pdf
Kindly help me with the
Notepad should be fine but you will, I think, still have to correct the
apostrophes if you are copying from Word.
Any code written in Notepad should be fine.
There are several dedicated editors or IDE's for use with R that you might want
to look into. RStudio, Tinn-R and EMACs with ESS are
> On 03 Apr 2015, at 16:46 , William Dunlap wrote:
>
> >
> > df <- as.data.frame(rep(list(rep(NA_real_, 10)),3))
> > names(df) <- names
>
> As a matter of personal style (and functional programming
> sensibility), I prefer not to make named objects and then modify them.
> Also, the names comin
As a start you can use an exploratory approach. Standard survival
analysis texts show you how to use a log-log plot to assess whether a
distribution is Weibull. Of course, the exponential is a special case of
the Weibull.
CHIRIBOGA Xavier
Sent by: "R-help"
04/03/2015 10:33 AM
To
"r-he
> but wouldn't it be more to the point to do
>
> df <- as.data.frame(rep(list(rep(NA_real_, 10)),3))
> names(df) <- names
As a matter of personal style (and functional programming
sensibility), I prefer not to make named objects and then modify them.
Also, the names coming out of that as.data.fram
Dear members,
I am doing a survival analysis wiith the function coxph...however I am
wondering how can I know if my data follows a EXPONENTIAL or WEIBULL
distribution?
I have 3 censored datum. Using R studio.
Thanks for the suggestions,
Xavier
__
Daniel Lewandowski nextpagesoft.net> writes:
>
> Has anybody noticed that if field URL in DESCRIPTION contains a uri with
> 66 or more characters, then file DESCRIPTION in the resulting package
> includes a line break at the beginning?
>
> So this (source DESCRIPTION):
>
> URL:
> http://ecd
On Tue, Mar 31, 2015 at 6:42 PM, Sarah Goslee wrote:
> On Tue, Mar 31, 2015 at 6:35 PM, Richard M. Heiberger wrote:
>> I got rid of the extra column.
>>
>> data.frame(r=seq(8), foo=NA, bar=NA, row.names="r")
>
> Brilliant!
>
> After much fussing, including a disturbing detour into nested lapply
>
> On 31 Mar 2015, at 20:55 , William Dunlap wrote:
>
> You can use structure() to attach the names to a list that is input to
> data.frame.
> E.g.,
>
> dfNames <- c("First", "Second Name")
> data.frame(lapply(structure(dfNames, names=dfNames),
> function(name)rep(NA_real_, 5)))
>
Yes, I cooke
This small example will be applied to a problem with 1.4e6 lines of data.
First, here is the dataset and a few lines of R script, followed by an
explanation of what I'd like to get:
dat <- read.table(textConnection("ISEG IRCH val
11 265
12 260
13 234
54 39 467
54 40
help
Hello
I'm newbee with R and RInside
My question is about stderr in R. Is there a way to collect R stderr in C++
program embedding R Thanks in advance
Michel
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antivirus Avast.
__
Has anybody noticed that if field URL in DESCRIPTION contains a uri with
66 or more characters, then file DESCRIPTION in the resulting package
includes a line break at the beginning?
So this (source DESCRIPTION):
URL:
http://ecdc.europa.eu/en/data-tools/seroincidence-calculator-tool/Pages/def
Yes, I keep a copy in MS Word.
Would Notepad be OK?
I need sleep now, will work tomorrow.
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