On Mon, Nov 18, 2013 at 8:45 AM, PIKAL Petr wrote:
> Hi
>
>> -Original Message-
>> From: r-help-boun...@r-project.org [mailto:r-help-bounces@r-
>> project.org] On Behalf Of Zach Feinstein
>> Sent: Wednesday, November 13, 2013 2:57 PM
>> To: r-help@r-project.org
>> Subject: [R] R Beginner -
Hi
> -Original Message-
> From: r-help-boun...@r-project.org [mailto:r-help-bounces@r-
> project.org] On Behalf Of Zach Feinstein
> Sent: Wednesday, November 13, 2013 2:57 PM
> To: r-help@r-project.org
> Subject: [R] R Beginner - Need Perhaps 5 - 10 Minutes of R User Time to
> Learn Few Ba
This is not an R question per se. It really seems like an RStudio question.
They have their own help forum and it is probably best to ask there.
My first thought was that you had just closed the output window in RStudio but
in my version, 0.97.449 under Ubuntu 13.10 the window automatically
Bert:
Yet another reason I'm a fan of Frank Harrell. Does anyone know when
I get to buy the next edition of Regression Modeling Strategies?
Zach: Check www.coursera.org. They have some nice R-centric classes.
I signed up myself since my own R skills are self-taught. Also
consider investing in s
Type the following into your console window:
install.packages("fortunes")
library(fortunes)
fortune("brain surgery")
(It's not quite apposite, but close enough).
Cheers,
Bert
On Wed, Nov 13, 2013 at 5:57 AM, Zach Feinstein wrote:
> I have finally decided that I will learn R and learn it very
Thanks to all for help. The filter function appears most straightforward way
for this problem.
Kevin
--
View this message in context:
http://r.789695.n4.nabble.com/R-beginner-matrix-algebra-tp4653335p4653414.html
Sent from the R help mailing list archive at Nabble.com.
__
Convenient ways of computing both simple
and log returns are at the very end of:
http://www.portfolioprobe.com/2012/11/05/an-easy-mistake-with-returns/
Those work whether you have a vector or
a matrix.
Pat
On 17/12/2012 17:16, kevj1980 wrote:
Hi, I have an n x m matrix of numerical observati
ct.org [mailto:r-help-boun...@r-project.org] On
> Behalf
> Of Richard M. Heiberger
> Sent: Monday, December 17, 2012 1:54 PM
> To: kevj1980
> Cc: r-help@r-project.org
> Subject: Re: [R] R beginner: matrix algebra
>
> I think this is what you are looking for.
>
> > t
I think this is what you are looking for.
> tmp <- matrix(sample(20), 5, 4)
> tmp
[,1] [,2] [,3] [,4]
[1,]6 15 18 20
[2,]45 10 19
[3,]7913
[4,]8 14 11 13
[5,] 17 12 162
> t(apply(tmp, 1, diff))
[,1] [,2] [,3]
[1,]932
[
Hi andrew
Stick to one tutorial before you get confident enough. I found this one
very good. informative, easy to understand and best thing you basically try
everything out on sample files provided. word of caution though instead of
using ctrl+R command in script file, manually type it in consol i
My $.02: re-do an analysis that you did in another software package in R,
making sure that you get the same results. A good way to learn any
language.
--
View this message in context:
http://r.789695.n4.nabble.com/R-beginner-tp4651719p4651759.html
Sent from the R help mailing list archive at N
Google "Learn R" (What else!)
-- And please do not post here further until you have done some studying.
-- Bert
On Sun, Dec 2, 2012 at 3:55 PM, Rui Barradas wrote:
> Hello,
>
> An Introduction to R, file R-intro.pdf comes with every installation of R,
> folder R/doc.
> And there are many boo
Hello,
An Introduction to R, file R-intro.pdf comes with every installation of
R, folder R/doc.
And there are many books available at http://www.r-project.org/. (Choose
the link Other at the left.)
Good luck.
Hope this helps,
Rui Barradas
Em 02-12-2012 22:45, Akrem Zoghlami escreveu:
Dear
On Sun, Dec 2, 2012 at 10:45 PM, Akrem Zoghlami wrote:
> Dear R-help group,
>
> I'm a R beginner and I find difficulty in manipulating R. Could you send to
> me a support that helps me to be familiar with R. Thank you in advance
>
Try typing
help.start()
at your prompt. This will bring up the m
Hi Phil,
I think you want:
merge(listA, listB, by = "NACE")
which will give you:
NACE Name aaa bbb ccc
11a a a c
21a a a c
31a a a c
42b a a c
52b a a c
63c a a c
If you want to get rid of the Name column, th
Hi,
Try this:
dat1<-read.table(text="
NACE aaa bbb ccc
1 a a c
1 a a c
1 a a c
2 a a c
2 a a c
3 a a c
4 a a c
4 a a c
4 a a c
",sep="",header=TRUE)
dat2<-read.table(text="
Name NACE
a 1
b 2
c 3
",sep="",header=TRUE)
dat3<-merge(dat1,dat2)
dat3<-dat3[,1:4]
dat3
NACE aaa bbb ccc
1 1 a
> -Original Message-
> From: r-help-boun...@r-project.org [mailto:r-help-bounces@r-
> project.org] On Behalf Of Arne Henningsen
> Sent: Thursday, March 10, 2011 12:09 PM
> To: Alex Olssen; r-help@r-project.org
> Subject: Re: [R] R beginner - Error in as.vector(x, mo
Dear Alex
On 10 March 2011 20:31, Alex Olssen wrote:
> I find it hard to provide a reproducible version of this error.
> When I use the exact same procedure but get data from data()
> everything works fine.
> I.e., I do not think the startvals are the problem - in fact I copied
> the syntax for t
Hi Alex!
On 10 March 2011 09:46, Alex Olssen wrote:
> Hi everyone,
>
> I am new to R and keep getting the message
> Error in as.vector(x, mode)
> while trying to run nlsystemfit.
>
> Below is my exact code. The data is in Stata format because I only
> recently swapped to R and am trying to compa
I have try again my function from this email.I just copy and paste it on the
R software
and it doesn't give any problem like before.Did you change anything to my
function?
Actually before this I have do others about my research and long time not
see this function.
Thank you very much for your help
azman wrote:
>
> i'am is new in R software.i have try to make a function but it can't give
> what it should.i dunno what have to do next.
> Can somebody help me to solve it.i'll very appreciate...
>
>
Your example is nice, because it is self-contained (even if there is a
buglet). When I run i
Yes, it is exactly 'apply', and its friends. E.g. you can collect the
objects into a list and then do
sapply(mylist, is.matrix)
G.
On Wed, Apr 09, 2008 at 11:52:08AM -0400, Mon Mag wrote:
> I would like to apply a simple function, like
> is.matrix
> to more than one data.frame
> How can I call
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