Last time, I was told that I couldn't list my R package and associated
papers as a research activity with
substantial impact because it was outside my official scope of work.
(Even though I wrote it so I could
*do* my work.)
That seems wrong. My impression is that method papers were frequent
Dear R users,
I am happy to announce the initial release of the mvProbit package
on CRAN (version 0.1-0). This package provides tools for econometric
analysis with Multivariate Probit Models. While these models can be
estimated also by several other statistical software packages (e.g.
Hmm... you know I'd love to run a study on how software and other
information displays affect the speed, accuracy and reliability with which
people make insights about data.
Tom
On Tue, Nov 15, 2011 at 4:44 PM, Stavros Macrakis macra...@alum.mit.eduwrote:
Last time, I was told that I couldn't
Given a vector; ab = seq(0.5,1, by=0.1) ab[1] 0.5 0.6 0.7 0.8 0.9 1.0
The euclidean distance between the vector elements is given by the lower
triangular matrix dd1 = dist(ab,euclidean) dd1 1 2 3 4 52 0.1
3 0.2 0.1 4 0.3 0.2 0.1 5 0.4 0.3 0.2 0.1 6
This is R-help, not the linear algebra hotline. Please stay on topic.
---
Jeff NewmillerThe . . Go Live...
DCN:jdnew...@dcn.davis.ca.usBasics: ##.#. ##.#. Live Go...
Given a vector; ab = seq(0.5,1, by=0.1) ab[1] 0.5 0.6 0.7 0.8 0.9 1.0
The euclidean distance between the vector elements is given by the lower
triangular matrix dd1 =
dist(ab,euclidean) dd1 1 2 3 4 52 0.1 3 0.2 0.1
4 0.3 0.2 0.1 5 0.4 0.3 0.2 0.1
On Nov 15, 2011, at 5:38 PM, Juliet Ndukum wrote:
Given a vector; ab = seq(0.5,1, by=0.1)
ab[1] 0.5 0.6 0.7 0.8 0.9 1.0
The euclidean distance between the vector elements is given by the
lower triangular matrix
dd1 = dist(ab,euclidean)
dd11 2 3 4 5
2 0.1
3 0.2 0.1
On Tue, Nov 15, 2011 at 2:38 PM, Juliet Ndukum jpnts...@yahoo.com wrote:
Given a vector; ab = seq(0.5,1, by=0.1) ab[1] 0.5 0.6 0.7 0.8 0.9 1.0
The euclidean distance between the vector elements is given by the lower
triangular matrix dd1 = dist(ab,euclidean) dd1 1 2 3 4 52 0.1
1. Please post in plain text, not HTML (as the posting guide asks!)
2. This might actually be an R question -- is
?lower.tri
what you want?
-- Bert
On Tue, Nov 15, 2011 at 2:50 PM, Jeff Newmiller
jdnew...@dcn.davis.ca.us wrote:
This is R-help, not the linear algebra hotline. Please stay on
What is wrong with the following?
x - 1:2
if(x[1] 0)
{
if(x[2] 0)
{
print(1 2 0)
}
else
{
print(1 0)
}
}
else
{
On Tue, Nov 15, 2011 at 3:46 PM, Kevin Burton rkevinbur...@charter.net wrote:
What is wrong with the following?
AFAIK the else needs to follow the end brace of if {} on the same
line, at least at the main level.
Peter
x - 1:2
if(x[1] 0)
{
if(x[2] 0)
Hi,
Check out this R-help thread from 2007.
http://tolstoy.newcastle.edu.au/R/e2/help/07/06/19513.html
Cheers,
Ben
On Nov 15, 2011, at 6:46 PM, Kevin Burton wrote:
What is wrong with the following?
x - 1:2
if(x[1] 0)
{
if(x[2] 0)
{
Forescasting using predict() in an object of class arimax when there is an
outlier IO in the model.
Hi R users
I have a problem when a use the predict() method in an object of class
arimax ( These objects are the results of the implementation of the function
arimax() from the TSA library) . The
Hi,
Please don't cross post.
It seems that ggplotGrob has been replaced by new functions. You can
define it as
ggplotGrob - function(x) ggplot2:::gtable_gTree(ggplot2:::ggplot_gtable(x))
and it seems to work as before with grid.arrange().
HTH,
baptiste
On Wed, Nov 16, 2011 at 3:26 AM,
Dear R users,
I am not good in R-language programming. So, i need your help.
I want to convert my lower-triangle value of symmetry matrix into a vector with
their row and column name.
I found a function called sm2vec in corpcor package but it give only a
vector of values but not row and column
Can someone help me out with this problem?
Write an R program to draw 10,000 random samples using the Polya Urn Scheme
where the initial contents of the urn is one white ball and one black ball.
Accumulate the proportion of white balls after each draw into one vector.
Upload your R script file.
A follow-up on the data/variable issue I posted earlier:
Here was what I did, which might was obviously causing the problem:
I inserted the following line in my file Rprofile.site:
setwd(z:/R)
Then, as soon as I run R (before I read any data) I issue
summary(mydata)
I get summary
I've seen some questions regarding the output of multiple objects from a
function, however the suggestions all end up suggesting the use of
return(list(result1=result1, result2=result2 , result3=result3)).
How can I return multiple objects that are 2 big to be added to a list?
--
View this
Write an R program to draw 10,000 random samples using the Polya Urn Scheme
where the initial contents of the urn is one white ball and one black ball.
Accumulate the proportion of white balls after each draw into one vector.
Upload your R script file.
HINT: You can simulate sampling one ball from
On Nov 15, 2011, at 3:57 PM, PRI wrote:
Can someone help me out with this problem?
Write an R program to draw 10,000 random samples using the Polya Urn
Scheme
where the initial contents of the urn is one white ball and one
black ball.
Accumulate the proportion of white balls after each
Hello Michael,
Thanks for your reply. What I want to do is something like this? For
example, I have a continuous time series y=x(t), and another discrete time
series z=w(t).
Xdiff(i)=Max. difference between x(t) and w(t) in interval i
Ndiff(i)=Min. difference between x(t) and w(t) in interval
On 11/15/2011 06:46 PM, Kevin Burton wrote:
What is wrong with the following?
x- 1:2
if(x[1] 0)
{
if(x[2] 0)
{
print(1 2 0)
}
else
{
Hi, everyone
When I ran this cript, There is Error in substring(tmp.subject, tmp.end[ex]
+ 1, tmp.start[ex + 1] - 1) :
invalid substring argument(s)
Could someone figure out what the problem is?
for(i in 1:length(genebody[,1])){
tmp.id-as.vector(genebody[i,1])
Can someone help me with this variable/data reading issue?
I read a csv file and transform/create an additional variable (called y).
The first set of commands below produced different sample statistics
for hw11$y and y
In the second set of command I renameuse the variable name yy, and
sample
Thank you so much for the help! It is really appreciated!
Dongli
On Nov 15, 2011, at 9:19 AM, Marc Schwartz marc_schwa...@me.com wrote:
Hi Dongli,
Sorry for the delay in following up.
You might want to read the dsDesignManual.pdf document, which is available in
the 'inst/doc' folder in
Hi,
On Tue, Nov 15, 2011 at 4:10 PM, anaraster rrast...@gmail.com wrote:
I've seen some questions regarding the output of multiple objects from a
function, however the suggestions all end up suggesting the use of
return(list(result1=result1, result2=result2 , result3=result3)).
How can I
Hi,
The obvious answer is don't use attach() and you'll never have
that problem. And see further comments inline.
On Tue, Nov 15, 2011 at 6:05 PM, Steven Yen s...@utk.edu wrote:
Can someone help me with this variable/data reading issue?
I read a csv file and transform/create an additional
Hi,
On Tue, Nov 15, 2011 at 4:31 PM, sophy1987 yatingcheng.mar...@gmail.com wrote:
Hi, everyone
When I ran this cript, There is Error in substring(tmp.subject, tmp.end[ex]
+ 1, tmp.start[ex + 1] - 1) :
invalid substring argument(s)
Could someone figure out what the problem is?
Not
On 16/11/11 10:10, anaraster wrote:
I've seen some questions regarding the output of multiple objects from a
function, however the suggestions all end up suggesting the use of
return(list(result1=result1, result2=result2 , result3=result3)).
How can I return multiple objects that are 2 big to
Steffen,
Did you ever have luck getting rid of the tick marks?...
I like your idea and have modified it, but yes, the tick marks need to go.
Steffen Fleischer wrote:
Dear all,
I want to draw a graph that contains the scatterplot matrix in the lower
panel and coefficients in the upper
Jan Kraner jan.kraner at gmx.ch writes:
Dear Sir/Madam:
Could you please help me with this exercise and how I could solve it in R?:
Attachment (PastedGraphic-1.pdf): application/pdf, 84 KiB
I especially have problems with the selection of the 40 datasets,
once taken the 110 (because
Copying David W from another thread:
We don't do homework here. In fact, your instructor is probably watching.
That said, try googling or, even better, using the rseek search. (Or even
better-er RSiteSearch() in your terminal)
Michael
On Nov 15, 2011, at 4:16 PM, Jan Kraner jan.kra...@gmx.ch
PRI priyanka.246 at gmail.com writes:
Write an R program to draw 10,000 random samples using the Polya Urn Scheme
where the initial contents of the urn is one white ball and one black ball.
Accumulate the proportion of white balls after each draw into one vector.
Upload your R script file.
How to do the nearest neighbor density estimation in R?
Is there any function/package to perform k-Nearest Neighbor based density
estimation in R
Thank you very much!
Thanks to a dozen of volunteer moderators!
[[alternative HTML version deleted]]
Try something like this:
X = matrix(rnorm(25), 5); colnames(X) - rownames(X) - letters[1:5]
Y - dist(X)
library(reshape)
melt(as.matrix(Y))
Michael
On Tue, Nov 15, 2011 at 7:03 PM, ram basnet basnet...@yahoo.com wrote:
Dear R users,
I am not good in R-language programming. So, i need your
Can you post working examples of your data using the dput() function?
There are so many types of time series in R and so many different
things you could mean that it's just easier to work with real data.
Michael
On Tue, Nov 15, 2011 at 4:28 PM, Sarwarul Chy sarwar.sha...@gmail.com wrote:
Hello
Yes, you probably need some sort of C compiler, but why can't you just
download the appropriate binary directly? I just did on OS X 10.5.8
(admittedly for R 2.13.2, not 2.14) with no problems. The output of
sessionInfo()
install.packages(RCurl)
if you don't mind please.
Thanks,
Michael
On
Hello All,
Many thanks to the help I have received so far.
Here is an example data set I hope to plot
Data1
Year Data SE
1 20052 0.01
2 20064 0.01
3 20075 0.01
4 20082 0.01
5 20093 0.01
6 20106 0.01
Data2
Year Data SE
1 2006 32 1
2 2007 100 2
3 2008 60 4
Hi:
Does this work?
# library('lattice')
levs - as.vector(quantile(volcano,c(0,0.1,0.5,0.9,0.99,1)))
levelplot(volcano, at = levs,
colorkey = list(labels = list(at = levs,
labels = levs) ))
HTH,
Dennis
On Tue, Nov 15, 2011 at 1:12
Does plotCI take an xlim argument?
Something like plotCI(..., xlim=range(Data1$Year, Data2$Year))
Michael
On Nov 15, 2011, at 11:51 PM, Vinny Moriarty vwmoria...@gmail.com wrote:
Hello All,
Many thanks to the help I have received so far.
Here is an example data set I hope to plot
Hi:
(1) Here is why your e-mails look mangled on this list:
[[alternative HTML version deleted]]
R-help is a text-only list, so please change your mailer's
settings to send ASCII text rather than HTML.
(2) The print method you see displayed in dd1 is equivalent to the following:
ddm *
I came across the package 'ineq' that computes a variety of inequality measures
(e.g. gini, theil etc). I want to compute the Theil index (racial segregation)
and decompose the total into sub-components (by geog levels). I think the
package doesn't report the decomposition (correct me if I'm
Hi,
I am looking for a function which takes as input
the spatial coordinate in longitute/latitude and
the distance in metric and returns the second coordinate
(of course depending on an angle as well).
So far I have only found functions which calculate
the distance between two coordinates.
Hi
i have few clarification regarding the output from the fitted(object).
I'm creating a object using the following formula
dataset - read.csv(~/data.csv)
obj = lm (formula=log(y+1)~log(x1+1)+(log(x2+1)+log(x3+1), data=dataset)
fitted(obj)
here the output of the fitted(obj) considers the
Hi there I need some
[URL=http://calculate-conditional-and-distributio.blogspot.com/2011/11/blog-post.html]Statistics
Help[/URL]!! What statistical tests should i use/consider (pref in
SPSS) in regards to an invertebrate survey i have carried out comparing
urban street trees to urban park
log(x1+1) just like your formula
best,
Josh
On Tue, Nov 15, 2011 at 9:54 PM, arunkumar akpbond...@gmail.com wrote:
Hi
i have few clarification regarding the output from the fitted(object).
I'm creating a object using the following formula
dataset - read.csv(~/data.csv)
obj = lm
Please advice on the package I should use to run a linear regression model
(weighted least squared) with linear equality constraint. I initially tried
constrOptim but it turned out that it only supported
http://solve-graph-linear-inequalities.blogspot.com/2011/11/blog-post.html
linear inequality
Any time you use ``par(new=TRUE)'', you're probably doing something
wrong. Avoid it like the plague.
Following up on Michael Weylandt's post: plotCI() indeed has an xlim
argument (i.e. the ... arguments which get passed to plot.default()
can include xlim).
Note that plotCI() also has an
(1) Please do not hijack another thread to ask an off-topic question -
start a new one instead.
(2) Your question refers to a topic called 'restricted least squares'.
Search the R-help archives on that subject and you should get a number
of answers. Someone answered a similar question here within
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