incomes of persons in
different towns along with weights to be given for each sampled
person. How will I compute weighted statistics for each town?
Vikas Rawal
JNU, New Delhi.
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Please look again at the help files for summarize and wtd.mean which
show how to do this.
This is from the summarize help file:
FUN: a function of a single vector argument, used to create the
statistical summaries for 'summarize'. 'FUN' may compute any
number of
use of grid to modify lattice graphics may
also be useful.
I have gone through vignettes in the grid package but am somehow not
able to understand the overall approach. It would be useful if there
is something more specific that deals with using grid to modify such
graphics.
Vikas Rawal
Associate
2. I do most of my work in R using Emacs and ESS. That means that I
keep a file in an emacs window and I submit it to R one line at a
time or one region at a time, making corrections and iterating as
needed. When I am done, I just save the file with the last,
working, correct
A function that uses ggplot package to make annotated boxplots is
described at
http://vikasrawal.wordpress.com/2007/02/25/working-with-ggplot/
An advantage of using ggplot is that you can plot weighted boxplots.
Vikas Rawal
Associate Professor
Centre for Economic Studies and Planning
Jawaharlal
Dear Professor Ripley,
Your diagnosis was absolutely right and I have been able to solve my
problem. I had looked up the archives and R Faq for similar problems
before posting, but they all pertained to windows. In fact you had
replied to the posts pointing to RW Faq. But these all pertained to
I am having a peculiar problem with installation of packages. I am
trying to install the package maptools. This is what I get.
install.packages(maptools,depend=T)
Warning in install.packages(maptools, depend = T) :
argument 'lib' is missing: using /usr/local/lib/R/site-library
Warning:
I am not sure why you would want to do this, and a 'box and whiskers plot'
was pretty closely defined by the original authors so R does not allow
options for forms they did not consider.
I was wondering who the original authors were? Would be interested in
looking up their description.
I am not sure why you would want to do this, and a 'box and whiskers plot'
was pretty closely defined by the original authors so R does not allow
options for forms they did not consider.
I was wondering who the original authors were? Would be interested in
looking up their
distinct.
Hadley
On 2/7/07, Vikas Rawal [EMAIL PROTECTED] wrote:
I need to make weighted boxplots. I found that ggplot makes them. I
would however like to label them with the boxplot statistics (the
median, q1 and q3). In the boxplot function in r-base, I could output
boxplot statistics
How can I superimpose some text labels on ggplot? I could get
weighted quantiles using wtd.quantiles function in Hmisc package. But
I can't plot these as labels on the boxplot.
My code is as follows.
list(c(1:3),c(1:3),c(1:3))-t
library(Hmisc)
for (i in 1:3)
{
Hi,
Let me first congratulate you for having written the reshape
package. It is very nice and I use it all the time. I wish the
documentation was a bit easier. It took me quite some time to find my
way through it!! But once I got the hang of how it worked, I just
loved it.
With ggplot, this is
I need to make weighted boxplots. I found that ggplot makes them. I
would however like to label them with the boxplot statistics (the
median, q1 and q3). In the boxplot function in r-base, I could output
boxplot statistics and then write a text on the plot to place the
labels. How would one do it
I would like to tabulate summaries of data generated using aggregate
function. The task needs to be done in two steps.
First, reshape a data frame (or output of aggregate function) into a
desirable form. This could typically have multiple levels of column
and row headers, numbers in the cells.
I am unable to compile R packages from source on Ubuntu
dapper/edgy. Does anybody have an experience?
When I do install.packages(nlme,depend=TRUE), I get following error messages.
Can someone help?
I get similar messages for any package I try to compile.
VR
-
* Installing
the path to R/bin is
specified in the path. Is there some other way of defining the path to
R. There must be some lisp file which one can modify. Can somebody
enlighten me on this as well.
Thanks,
Vikas Rawal
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I need to install a selected set of packages on a number of machines (in a
computer lab). Some of these machines are not connected to internet. Is it
possible to download all the packages and make a kind of repository on a CD,
and then install.packages from the CD?
Vikas
Thank you. That is useful. But is it possible to download all the packages in
one go, or would one have download each one by one?
Vikas
-Original Message-
From: Uwe Ligges [EMAIL PROTECTED]
To: Vikas Rawal [EMAIL PROTECTED]
Date: Fri, 04 Feb 2005 13:55:42 +0100
Subject: Re: [R
If you multiply a matrix by its inverse you should get an identity matrix. In
R, you get an answer that is accurate up to about 16 decimal points? Why can't
one get a perfect answer?
See for example:
c(5,3)-x1
c(3,2)-x2
cbind(x1,x2)-x
solve(x)-y
x%*%y
Vikas Rawal
This issue has been discussed on this list before but the solutions
offerred are not satisfactory. So I thought I shall raise it again.
I want to merge two datasets which have three common variables. These
variables DO NOT have the same names in both the files. In addition,
there are two
can read them individually.
What do you think could be the problem?
Vikas
Kevin Bartz wrote:
Roger Bivand wrote:
On Fri, 1 Oct 2004, Vikas Rawal wrote:
I want to read data from a number of files into R.
Reading individual files one by one requires writing enormous amount
of code that will look
I progressed when I combined the Kevin-Roger method with the
Jomes-holtman method. sprintf() in place of formatC did the trick.
Holtman's method does not work because of some problem with the assign.
It seems you cannot have a variable target of the assignment.
Now I have a vector of lists
I want to read data from a number of files into R.
Reading individual files one by one requires writing enormous amount of
code that will look something like the following.
maptools:::dbf.read(wb-01vc.dbf)-dist1
maptools:::dbf.read(wb-02vc.dbf)-dist2
I want to add RMySQL and RODBC packages to my R installation on redhat
linux box. The command install.packages gives following output. What
could be wrong?
install.packages(RMySQL)
trying URL `http://cran.r-project.org/src/contrib/PACKAGES'
Content type `text/plain;
Thanks. That was simple.
Vikas
Witold Eryk Wolski wrote:
Hi!
install.packages(RMySQL)
^ ^
note the parenthesis
/E
Vikas Rawal wrote:
I want to add RMySQL and RODBC packages to my R installation on
redhat linux box. The command install.packages gives following
I run R on redhat linux.
What would be the easiest way to read dbf files into R?
Vikas
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Is there a linux-based/free command line tool for converting dbf files
into txt? Conceptually, it is not a great way of doing things. We have a
dbf file with a well defined structure. We convert it into a text file,
which has a loose structure, undefined variables types etc. And then we
read
It looks like there is no free dbf driver for unixodbc.
Vikas
[EMAIL PROTECTED] wrote:
Have you checkout out R Data Import / Export? In particular, check out
RODBC developed by Brian Ripley and Michael Lapsley.
HTH,
Partha
Vikas Rawal [EMAIL PROTECTED]
Sent by: [EMAIL PROTECTED]
09/28/2004 07
I estimated spearman's correlation coefficient using cor(). How do I
test for significance?
Vikas
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