I have just installed the latest versions of R and Tinn-R (running Windows XP
prof.)
R 2.11.0
Tinn-R version 2.3.5.2
Everything seems fine, except for the following:
I usually do this: Open Tinn-R and click on the R icon to open R - this splits
the screen into two parts horiozontally, with
Thanks, especially to Greg for the help with the proxy settings required for
Windows.
I have managed to solve the problem, with Greg's latest suggestion.
Jacob
Jacob L van Wyk
Department of Statistics
University of Johannesburg (APK)
PO Box 524, Auckland Park, 2006
Office ph: 011 559 3080
Fax:
Hi
Thanks again to Greg, and Prof Ripley.
Greg, I was trying to send you an email, but has been unsuccessful.
Speaking to someone from our IT deparment, I am trying to follow your advice to
implement the settings to my computer (using Windows), by using Control Panel.
I have selected System in
Could somebody please assist with the problem I have now.
At our university certain changes have been made to users regarding accessing
the internet.
I have re-installed the (current) version of R, using custom settings (for
Windows XP), choosing amongst other things Internet2 somewhere.
Now,
Thanks to Greg and Michael for their advice.
I have tried all these possibilities (and other); nothing seems to work; I
persistently get the message:
In open.connection(con, r) :
cannot open: HTTP status was '407 Proxy Authentication Required'
It seems as if proxy authentication required is
I am trying to reproduce Figure 10.5 of Loader's book: Local Regression and
Likelihood. The code provided in the book does not seem to work.
I have managed (a while ago) to get the accompanied R-code for the figures in
the book (file called lffigs.R) from somewhere - cannot find it on the web
I am trying to find studentized bootstrap intervals for the skewness of a data
set. I have tried the following (nerve.dat is a set of data containing
observations on one variable) (using Windows XP):
x - scan(e:/Flashbackup2009/Nonparametrics/nerve.dat)
n - length(x)
library(e1071)
skewness(x)
Hallo all
I realise this might be a too much to ask question, but can I improve the
Lattice plot produced by the following code? The type of figure I would like to
produce in each segment of the plot appears below the code.
library(reserving) # http://toolkit.pbwiki.com/RToolkit
Hallo
I would appreciate any help with the following.
Problem: Suppose A, B and C are independent U(0,1) random variables. What is
the probability that A(x^2) + Bx + C has real roots?
I have done the theoretical work and obtained an answer of 1/9 = 0..
Now I want to show my students to get
Hi
Is it possible to use the rep command (or maybe some other shortcut) to
create a vector with the following format:
4 3 4 2 3 4 1 2 3 4
Any help is much appreciated.
Thanks
Jacob
Jacob L van Wyk
Department of Statistics
University of Johannesburg, APK
Box 524
Auckland Park 2006
Hi
I have 3 vectors, say g1, g2 and f, where g1 and g2 contain the row and column
indices of a matrix, with corresponding elements in f. How can I create a
matrix containing the values in f ?
For example:
g1 g2 f
3 4 10
2 1 30
4 4 50
How can then get a matrix that looks as follows:
0
Thanks, Mark, for the response.
The problem is vith SciViews. It is not stable under the latest version of R.
I found a solution by downloading the latest version of Tinn-R, which
communicates with the latest version of R, and now I can carry on like normal
(with both windows tiled
Hi
I have installed the new version 2.7.1, and get the following messages. Is
there some way I can fix it ?
I use SciViews as well, so the problem may be with one of the libraries that is
loaded at start-up:
Start-up:
Loading required package: datasets
Loading required package: utils
Loading
Hi
I have been searching for goodness-of-fit tests (or lack of fit tests) for GAMs
and cannot find anything.
My problem is: after fitting a GAM to mortality data (smoothing crude estimated
rates of mortality - a process called graduation in the actuarial literature),
(1) how to assess the fit
Hi
I have been searching for goodness-of-fit tests (or lack of fit tests) for GAMs
and cannot find anything.
My problem is: after fitting a GAM to mortality data (smoothing crude estimated
rates of mortality - a process called graduation in the actuarial literature),
(1) how to assess the fit
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