Thanks for sharing the interesting information about cran2deb. I was
unaware of that project (but I did know that Dirk E. had been doing Octave
and R binaries for Debian for years). Dirk Eddelbuettel (you spelled his
name correctly) and Charles Blundell gave a talk at UseR! 2009...
http://di
I know one of R's advantages is it's ability to index, eliminating the need
for control loops to select relevant data, so I thought this problem would
be easy. I can't crack it. I have looked through past postings, but
nothing seems to match this problem
I have a data set with one column of act
The R movement is picking up steam in the center of America. People
that ignored my R-enthusiasm 10 years ago are now calling me up asking
for presentations. I need to make a 2 hour presentation to a
collection of faculty and grad students who might like to use R. I
don't want to make it seem to
Worik R wrote:
Related: I found the problem eventually. It was a parameter that was too
large and the function called "stop".
Looking at the documentation I see I can supply my own error handler. Cool.
Are there already written error handlers that dump a stack trace?
Is ?traceback what you
On Mar 17, 2010, at 10:52 PM, Nathan S. Watson-Haigh wrote:
I have 2 sets of data which defines the start and end of date/time
periods. I want to be able to obtain the following:
1) The intersect of those 2 sets of date/time ranges i.e. return
start/end date/time ranges where both sets ove
On Mar 18, 2010, at 12:03 AM, Orvalho Augusto wrote:
Dears!
I have a system that generates links on a https webserver.
I have to be logged on with a username and password; Then follow at
least fife links to get into the link where I can download the file.
The question is: How can I accomplis
Tom_R wrote:
> How do I use nncross to measure min distances between
> point patterns i,j, ENSURING each point in pattern i
> is only connected to a single partner point in pattern j ?
> I do realise that there are many possible pairings
> between the i-j point pairs... perhaps some average
> m
On Mar 17, 2010, at 8:54 PM, dc896148 wrote:
useR's
I have a matrix from which I want to take multiple subsets from,
according
to a particular scheme I will now describe. The matrix below (mat)
is 5x5,
and I want to take 9 subsets of it, each of dimension 3x3. The best
way to
explain
On 18/03/2010, at 12:25 PM, Tom_R wrote:
>
> Hi,
> How do I use nncross to measure min distances between point patterns i,j,
> ENSURING each point in pattern i is only connected to a single partner
> point in pattern j ?
> I do realise that there are many possible pairings between the i-j poi
Dears!
I have a system that generates links on a https webserver.
I have to be logged on with a username and password; Then follow at
least fife links to get into the link where I can download the file.
The question is: How can I accomplish that with R?
Caveman
I have recently started using "tm" package by Feinerer, K. Hornik, and D.
Meyer.
While trying to create a term-document matrix from a corpus (approxly 440
docs)
I get the following error:
tdm <- TermDocumentMatrix(tmp, control=list(weighting=weightTfIdf,
minDocFreq=2, minWordLength=3))
*Error in r
useR's
I have a matrix from which I want to take multiple subsets from, according
to a particular scheme I will now describe. The matrix below (mat) is 5x5,
and I want to take 9 subsets of it, each of dimension 3x3. The best way to
explain what the result should look like is with the following:
I have 2 sets of data which defines the start and end of date/time
periods. I want to be able to obtain the following:
1) The intersect of those 2 sets of date/time ranges i.e. return
start/end date/time ranges where both sets overlap
2) The union of those 2 sets of date/time ranges i.e. return
Hi,
How do I use nncross to measure min distances between point patterns i,j,
ENSURING each point in pattern i is only connected to a single partner
point in pattern j ?
I do realise that there are many possible pairings between the i-j point
pairs... perhaps some average min distance for many
Thanks for all you guys' help above.
Â
Actually my question is for Multivariate Normal
Â
m1<-c(2.5,3.5,4.5)
m2<-c(-3,-4,-5)
m3<-c(100,120,130)
n1<-length(data$x)
sigma1<-matrix(c(1,0.3,0.4,0.3,1,0.2,0.4,0.2,1),nrow=3,byrow=T)
Â
trait1<-ifelse(data$x==1,list(rmvnorm(n1,mean=m11,sigma=sigma1)
Related: I found the problem eventually. It was a parameter that was too
large and the function called "stop".
Looking at the documentation I see I can supply my own error handler. Cool.
Are there already written error handlers that dump a stack trace?
cheers
Worik
On Thu, Mar 18, 2010 at 2:
Thanks Martin, your reply was extremely helpful.
It took me a bit of time to figure out what TEXINPUTS are and where they
should be specify, but it is working now. Just for reference, I had to
include an "export TEXINPUTS" statement in my .bashrc for pdflatex to work
in a command line, and add a p
I have a large programme that after running half an hour or so fails with an
error
Error in x[value] <- NA : only 0's may be mixed with negative subscripts
How can I find out where that error occurs?
If I have to do a binary search using error messages it will take a long
time! Is there some wa
Hi,
I can't get the colClasses option to work in the readHTMLTable function
of the XML package. Here's a code fragment:
require("XML")
doc <- "http://www.nber.org/cycles/cyclesmain.html";
table <- getNodeSet(htmlParse(doc),"//table") [[2]]# The
main table is the second on
On Mar 17, 2010, at 8:57 PM, Soyeon Kim wrote:
Dear All,
My data looks like this
new_ns
chr nc_two nc_not_two
11488 58
22325114
33233 79
44200153
55239 53
66196313
77229 45
8
Dear All,
My data looks like this
> new_ns
chr nc_two nc_not_two
11488 58
22325114
33233 79
44200153
55239 53
66196313
77229 45
88231137
99164111
10 1
pomchip wrote:
>
> Dear R-users,
>
> I want to give a try to Sweave and Latex but I am having some problems
> compiling my .Rnw files within Kile. I have followed the recommendations
> given in http://tolstoy.newcastle.edu.au/R/e5/help/08/10/4277, but they do
> not seem to address my particular
On 3/17/10, Achim Zeileis wrote:
> Hmm, that sounds strange. Maybe something about the data pre-processing
> went wrong?
>
I traced plm() in step-by-step mode, and the process stalls on
plm.fit(), apparently after all the pre-processing.
> Depending on how unbalanced the data is, there might no
Hi all,
I would like to generate a very simple visualization in R and wonder
if somebody here could tell me about a simple script that can do
exactly that.
Input: I have about 1000-3000 screen coordinates of mouse movements
and mouse click positions in a data.frame (each collumn for each data
typ
Thanks Richard and Jim for your reply!
@All:
Is there a way to do this without altering default x-labels (because in my
case there could be up to 30-40 x-labels and I may have to repeat the script
multiple times with different x-lables).
OR, not sure but can it be done by extending plotting regi
Though not providing courses, if you're in that area, the
Bay Area useR Group
http://www.meetup.com/R-Users/
that often meet in San Francisco, might be useful to connect with.
/Henrik
On Wed, Mar 17, 2010 at 9:24 PM, Trevor O'brien
wrote:
> Hi folks,
>
> I am working on my student internship t
Dear R-users,
I want to give a try to Sweave and Latex but I am having some problems
compiling my .Rnw files within Kile. I have followed the recommendations
given in http://tolstoy.newcastle.edu.au/R/e5/help/08/10/4277, but they do
not seem to address my particular problem.
I am using R 2.11.0 a
Paul,
Yes, perfect! Thank you!
Susan
~~~
Susan Durham
Utah State University
Ecology Center
5205 Old Main Hill
Logan, UT 84322-5205
(435)797-1337
> -Original Message-
> From: Paul Murrell [mailto:p.murr...@auckland.ac.nz]
> Sent: Wednesday, March 17, 2010 5:13 PM
> To: Susan Durham
>
On 03/18/2010 09:50 AM, Peng Cai wrote:
Hi All,
I need some help with adding text at the bottom of the graph (outside of
default outline of graph).
Say, I need to write "Month: 01 04" below each of the two years in the
following R code, something like this:
___
barchart(yield ~ year, data = barley,
stack=TRUE,
col="black",
ylim=c(0,85),
scales=list(x=list(labels=c(expression(atop(March, 1932)),
expression(atop(April, 1932)
)
This gets most of what you want.
[[alternative HTML version deleted]]
__
Hi
Susan Durham wrote:
I'm fitting data from a mixture experiment, and I'd like to present
the results in a ternary graph with contours. I found this code by
Walmes Zeviani
http://n4.nabble.com/Triangular-filled-contour-plot-td1557386.html
which is just what I want--except I would like the ax
Hi Paul & al,
R-PLUS 3.3 has R publication quality tables with SAS ODS look & feel
and yes you can get R-PLUS 3.3 Nano trial and keep it free for life.
youtube.com/rplus33 shows you a quick R-PLUS 3.3 demo and you can
request a longer
video by sending us an email.
Download Rplus 3.3 at http://
alex46015 wrote:
I think I figure it out.
ifelse(data1$x==1,rnorm(12,2,1),ifelse(data1$x==2,rnorm(12,-2,1),rnorm(12,110,1)))
Where is the number 12 coming from? Is that the length of data1$x?
Here is a sample using the fact that rnorm can accept vectors of means
and sds. My x is rand
I'm fitting data from a mixture experiment, and I'd like to present the results
in a ternary graph with contours. I found this code by Walmes Zeviani
http://n4.nabble.com/Triangular-filled-contour-plot-td1557386.html
which is just what I want--except I would like the axis titles and labels to b
Hi All,
I need some help with adding text at the bottom of the graph (outside of
default outline of graph).
Say, I need to write "Month: 01 04" below each of the two years in the
following R code, something like this:
___
| |
On 03/18/2010 01:51 AM, Paul Miller wrote:
Hello Everyone,
I have just started learning R and am in the process of figuring out what it
can and can't do. I must say I am very impressed with R so far and am amazed
that something this good can actually be free.
Recently, I finished reading R fo
On Mar 17, 2010, at 3:25 PM, anna wrote:
Hi guys, I am using the blp() function from RBloomberg package which
returns
a matrix of prices with the columns corresponding to the security
name and
the columns to the date. When I have a look at the matrix I can see
the
rownames (dates) on the
do 'str(prices)' so we can see the structure of the data.
On Wed, Mar 17, 2010 at 2:25 PM, anna wrote:
>
> Hi guys, I am using the blp() function from RBloomberg package which
> returns
> a matrix of prices with the columns corresponding to the security name and
> the columns to the date. When I
You can't use two inequality constraints to simulate an equality constraint in
constrOptim().
-thomas
On Wed, 17 Mar 2010, Herb wrote:
Hello at all,
working with a dataset I try to optimize a non-linear function with
constraint.
test<-read.csv2("C:/Users/Herb/Desktop/Opti/NORM.cs
On 17/03/2010 2:03 PM, Kaspar Bernet wrote:
Hi,
this may sound stupid (and it probably is), but I can't seem to find out how to multiply each element of a vector with each element of another vector where the result would be a matrix of dim[length(vectorOne),length(vectorTwo)] without using loops
Dear all,
I'm resurrecting this old post (about 6 monts old, reproduced thereafter)
because I have struggled against the same problem and found a solution
so that I found it was worth posting for the record.
The simple fix when you want to use odfWeave with 7-ZIP as a
compressing/decompressing u
On Mar 17, 2010, at 4:57 PM, Steve Lianoglou wrote:
Hi,
On Wed, Mar 17, 2010 at 8:14 AM, Shyamasree Saha [shs]
wrote:
Dear List,
I am trying to read some files using read.csv and total size of
those files are 3.99 GB. I am using MacBook Pro with 4GB RAM(snow
leopard). I also tried to
Hi Paul & al,
R-PLUS 3.3 has R publication quality tables with SAS ODS look & feel
and yes you can get R-PLUS 3.3 Nano trial and keep it free for life.
youtube.com/rplus33 shows you a quick R-PLUS 3.3 demo and you can
request a longer
video by sending us an email.
Download Rplus 3.3 at http://
For future reference you may want to look at the plyr package, or even the
sapply and aggregate functions and possibly simpler ways to do what you did
below.
--
Gregory (Greg) L. Snow Ph.D.
Statistical Data Center
Intermountain Healthcare
greg.s...@imail.org
801.408.8111
> -Original Messa
Hi,
On Wed, Mar 17, 2010 at 8:14 AM, Shyamasree Saha [shs] wrote:
> Dear List,
>
> I am trying to read some files using read.csv and total size of those files
> are 3.99 GB. I am using MacBook Pro with 4GB RAM(snow leopard). I also tried
> to run a chunk from those files and altogether the size
Dear Trevor,
Check out XLSolutions Corporation course list at:
www.xlsolutions-corp.com/rcourses for upcoming schedule in USA.
We've listed 3 R Advanced programming courses in
*San Francisco
*New York City
*Salt lake city
We do have other levels of courses that mig
I'm pretty sure there are worked examples dealing with age-period-
chohort models in the Epi package. But it appears you already have a
function in mind and it's not clear why you are not looking at the
documentation and positing your question to the package authors?
On Mar 17, 2010, at 4:27
I think you need to define what you mean by "advanced" to avoid
misunderstanding.
Bert Gunter
Genentech Nonclinical Biostatistics
-Original Message-
From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] On
Behalf Of Trevor O'brien
Sent: Wednesday, March 17, 2010 1:
I think I figure it out.
ifelse(data1$x==1,rnorm(12,2,1),ifelse(data1$x==2,rnorm(12,-2,1),rnorm(12,110,1)))
Please correct me if I am wrong. Thanks
--
View this message in context:
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Se
I need use different parameters of distribution for different case to
generate random value, but I use ifelse, the generated value is fixed
without change.
Here is example
data1
y x
1 1 2
2 2 1
3 3 2
4 4 3
5 5 3
6 6 1
7 7 2
8 8 1
9 9 1
10 10 3
11 11 3
12 12 2
ifelse(data1$x
I have a hypothetical cohort with:
lo = 1000
l1 = 900
l2 = 800 ...
How to represent this cohort with Lexis.diagram function () .. and how to
calculate rates of age-cohort, cohort-period and period-age.
Regards,
Ane
--
View this message in context:
http://n4.nabble.com/Lexis-diagram-tp1597
Hi folks,
I am working on my student internship to USA, california and would like to
attend a R Advanced Programming course while I am in USA. Where can I find
such a course. I am new to this list.
Trevor O'brien
>From Ireland.
[[alternative HTML version deleted]]
__
Hi folks,
I am working on my student internship to USA, california and would like to
attend a R Advanced Programming course while I am in USA. Where can I find
such a course. I am new to this list.
Trevor O'brien
>From Ireland.
[[alternative HTML version deleted]]
__
I've written a handout that talks about calling C from R and
calling R from C using both the .C and .Call methods. (It also
shows similar information for matlab -- my apologies.) You
can find it here:
http://www.stat.berkeley.edu/classes/s243/calling.pdf
TheSavageSam wrote:
>
> Thanks for the huge help. I have learned a lot and been able to start
> writing my own code.
>
> If you could give me a reference(a link, name of a book, etc.) to a good
> manual of how to use and manipulate and use SEXP variables in C
> (considering creating R libraries
Hi Ista,
Our material on statlib is far out of date. Please refer to the primary
source at http://biostat.mc.vanderbilt.edu/StatReport
Thanks
Frank
Ista Zahn wrote:
Hi Paul,
For instructions and examples using the Hmisc latex() function you
might want to take a look at
http://lib.stat.cmu.
Tena koe Kaspar
?outer
outer(b, a)
or
b %o% a
HTH
Peter Alspach
> -Original Message-
> From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-
> project.org] On Behalf Of Kaspar Bernet
> Sent: Thursday, 18 March 2010 7:03 a.m.
> To: r-help@r-project.org
> Subject: [R] Vector
Try this:
b %o% a
On Wed, Mar 17, 2010 at 3:03 PM, Kaspar Bernet wrote:
> Hi,
>
> this may sound stupid (and it probably is), but I can't seem to find out how
> to multiply each element of a vector with each element of another vector
> where the result would be a matrix of
> dim[length(vector
Wow, wonderful! Thank you for all the response -- and so quick!
ac
On Wed, Mar 17, 2010 at 2:19 PM, Sarah Goslee
wrote:
> How about this? It changes a column to a factor, and
> optionally renames it.
>
> facts <- function(meta, mod, newmodname) {
> meta[,mod] <- factor(meta[,mod])
> if(!
Use %y indeed of "%Y".
On Wed, Mar 17, 2010 at 12:00 PM, ManInMoon wrote:
>
> I am parsing dates as follows:
>
>> z[1:10,1:3]
> V1 V2 V3
> 1 0 03/02/09 22:20:51.274
> 2 100 03/02/09 22:28:18.801
> 3 200 03/02/09 22:33:33.762
> 4 300 03/02/09 22:40:21.826
> 5 400 03/02/09
On Wed, 17 Mar 2010, Liviu Andronic wrote:
In short:
- plm(..., model = "within") offers a convenient approach of what
is usually done in this kind of analysis.
Unfortunately plm(..., effect="twoways", model = "within") fails on my
particular unbalanced panel data (100% CPU and the task
Hi,
I'm new to R and new to this forum. I'm struggling with trying to extract
certain rows of data from my data.frame. The data.frame has eleven columns.
Among those columns are "FISH_ID" and "DATE_TIME". FISH_ID is a factor. For
each of my 21 unique FISH_IDs (levels) I have a few to a few thousa
Solved my own question by looking at some other threads. For those who may be
intersted, here was the solution to my problem.
do.call(rbind,lapply(split(data.frame,FISH_ID),function(x)x[which.max(x$DATE_TIME),]))
--
View this message in context:
http://n4.nabble.com/How-can-I-return-rows-from-a
Sorry
--
View this message in context:
http://n4.nabble.com/Date-conversion-issue-tp1596548p1596880.html
Sent from the R help mailing list archive at Nabble.com.
__
R-help@r-project.org mailing list
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE
Hi,
this may sound stupid (and it probably is), but I can't seem to find out how to
multiply each element of a vector with each element of another vector where the
result would be a matrix of dim[length(vectorOne),length(vectorTwo)] without
using loops.
example: if
a -> c(1,2,3)
b -> c(4,5,
Dear R users,
the tmvtnorm package, the package for the truncated multivariate normal and
Student-t distribution, has been updated on CRAN.
The major changes in version 1.0-2 (2010-03-04) are:
* The package now provides methods for the truncated multivariate Student-t
distribution, i.e. random
Thanks for the huge help.
If you could give me a reference(a link, book, etc.) to a good manual of how
to use and manipulate and use SEXP variables in C (considering creating R
libraries).
--
View this message in context:
http://n4.nabble.com/Writing-own-simulation-function-in-C-tp1580190p15967
Hello,
I have an x, y data set of circa 966 points, and counting, where I am trying to
plot one integer y-axis number per a corresponding x-axis date, in R. The
command plot(initialPlot$Dates, initialPlot$AxisData), where $Dates is
2007-07-24:2010-03-15, and $AxisData is the corresponding y
Hi,
I am trying to use pls regression to find links between some environmnental
variables and the biomass of a marine snail species. I am not an expert with
this type of analysis. I sampled both the species' biomass and the
environmental variables on 3 transects in 6 different sites. I would li
Hello at all,
working with a dataset I try to optimize a non-linear function with
constraint.
test<-read.csv2("C:/Users/Herb/Desktop/Opti/NORM.csv")
fkt<- function(x){
a<-c(0)
s<-c(0)
#Minimizing square error
for(j in 1:107){
s<-(test[j,2] - (x[1] * test[j,3]) - (x[2] * test[j,4]) - (x[3]*test[
Hi Max,
I appreciate your time. Sorry, I am not really a progammer- how would I
test this?
Thanks again!
- Brock
On Wed, Mar 17, 2010 at 11:00 AM, Max Kuhn [via R] <
ml-node+1596549-1426779930-75...@n4.nabble.com
> wrote:
> Can you use 7zG to unzip an odt file from a dos prompt?
>
> Max
>
>
I am parsing dates as follows:
> z[1:10,1:3]
V1 V2 V3
10 03/02/09 22:20:51.274
2 100 03/02/09 22:28:18.801
3 200 03/02/09 22:33:33.762
4 300 03/02/09 22:40:21.826
5 400 03/02/09 22:41:38.361
6 500 03/02/09 22:42:50.882
7 600 03/02/09 22:45:19.885
8 700 03/02/09 22:4
Dear all,
The package NORMT3 which computes the erf, erfc functions as well as the exact
values of the convolution of a Gaussian with a Student's t 3 distribution has
been enhanced with the addition of a function to compute Faddeeva's function.
Thanks to Krishna Myneni for this addition.
Guy N
Dear all,
The package cthresh, for computing complex-valued wavelet shrinkage has now
been uploaded to CRAN.
This was previously bundled with wavethresh, but has now been unbundled.
Best wishes,
Guy Nason
--
Professor Guy Nason
Head of Department
Department of Mathemat
Hi guys, I am using the blp() function from RBloomberg package which returns
a matrix of prices with the columns corresponding to the security name and
the columns to the date. When I have a look at the matrix I can see the
rownames (dates) on the left of the prices but when I call the rownames()
Try this:
transform(DF, newA = factor(a), a = NULL)
On Wed, Mar 17, 2010 at 4:06 PM, AC Del Re wrote:
> Hi All,
>
> Im interested in creating a function that will convert a variable within a
> data.frame to a factor while retaining the original name (yes, I know that I
> can just: var <-factor(
How about this? It changes a column to a factor, and
optionally renames it.
facts <- function(meta, mod, newmodname) {
meta[,mod] <- factor(meta[,mod])
if(!missing(newmodname)) {
colnames(meta)[colnames(meta) == mod] <- newmodname
}
meta
}
> testdata <- data.frame(a=c(1,2,3), b=
Hi All,
Im interested in creating a function that will convert a variable within a
data.frame to a factor while retaining the original name (yes, I know that I
can just: var <-factor(var) but I need it as a function for other
purposes). e.g.:
# this was an attempt but fails.
facts <- function(
On 3/17/10, Achim Zeileis wrote:
> Here, you compare apples and oranges. gr_fe1 is of class "plm" and
> gr_fe1_null is of class "lm". This does not fly.
>
> gr_fe1_lm <- lm(invest ~ 0 + value + capital + firm + year, data = pgr)
> anova(gr_fe1_lm, gr_fe1_null)
>
> which does the job.
>
Indeed,
Hi Paul,
Sorry I didn't get to that subject in the first edition of R for SAS and SPSS
Users. Several of the options people have mentioned will be in the second
edition, although that's about a year off. I did get them added to R for Stata
Users, due out in early April.
Cheers,
Bob
>-Ori
Use NROW rather than nrow.
On Wed, Mar 17, 2010 at 11:23 AM, Tony Laidig wrote:
> Hello Everyone-
> I'm calculating summary statistics on a dataset (~4000 records,
> observations are not uniformly distributed) using summaryBy and trying
> to add a column with the number of observations to the out
Hi Petr,
Thanks again!!! model is a list. So your suggestion:
mod <- matrix(NA, 1000, ncols) doesn't work.
I thought that do.call and rbind would be the best for these data?
Cheers,
Ross
--
View this message in context:
http://n4.nabble.com/Loop-overwrite-and-data-output-problems-tp1570593p
If you are working in Windows and want Word output,
it might be worthwhile to have a look at SWord
available from the download section on rcom.univie.ac.at.
Warning: the program is free for noncommercial use,
but NOT licensed under GPL or LGPL.
On 3/17/2010 3:51 PM, Paul Miller wrote:
> Hello Ev
Building on the question how to replace NA with 0.
My data set below has date, station 1, flags for station 1, station 2, flags
for station 2, etc...
I would like to make the values in the station columns equal to 1 and the NA
in the station columns equal to 0 and then sum each row for the numbe
Dennis Fisher wrote:
Colleagues,
On occasion, I need to output an R dataframe to a file in SAS XPT format.
Although the foreign package supports reading of XPT files and writing to a
format that SAS can read, it does not support writing to XPT format (confirmed
with Thomas Lumley, the author
On Wed, 17 Mar 2010, Liviu Andronic wrote:
Dear Achim
On 3/16/10, Achim Zeileis wrote:
Hence, when saying summary() different models with "no effects" are
assumed. For gr_fe the model without effects just omits value/capital but
keeps the firm-specific interecepts. For gr_lm not even the int
You may want to look at http://www.openstreetmap.org/ or
http://maps.cloudmade.com/ instead of google maps. I don't know if they give
the same detail/searches, but open source sites tend to be easier to work with
and have fewer restrictions on use. While I like the google maps, I tend to
not
There seem to have been three almost identical reports of this from three
different email addresses, including two widely-separate UK academic
institutions, and two user names, which is a bit weird.
However: R will need more than 4GB memory to handle a 3.99GB file, and
probably more than 4
Colleagues,
On occasion, I need to output an R dataframe to a file in SAS XPT format.
Although the foreign package supports reading of XPT files and writing to a
format that SAS can read, it does not support writing to XPT format (confirmed
with Thomas Lumley, the author of write.foreign).
Ha
On Mar 17, 2010, at 12:10 PM, Ivan Calandra wrote:
Hi David,
I have probably 2 stupid questions regarding what you said but it
might be important to understand:
- why nrow() "would not make sens for a subsetted vector"?
On the help page of nrow(), it's written that we can apply it on a
v
Hi David,
I have probably 2 stupid questions regarding what you said but it might
be important to understand:
- why nrow() "would not make sens for a subsetted vector"?
On the help page of nrow(), it's written that we can apply it on a
vector, array or dataframe (basically everything...?). So
On Wed, 17 Mar 2010, Yong Wang wrote:
Dear List
I am getting a problem when using "eval(parse)".
Code below sketchs what I am trying to do:
For each row of a N*K dataframe (I use a 2*2 dataframe in the example below),
applying a number of functions and get the outputs (two functions,
"sum" and
On Wed, Mar 17, 2010 at 2:51 PM, Paul Miller wrote:
> Am I right or wrong about this? If I am wrong, can anyone show me some
> examples of how R can be used to create really nice looking tables? I often
> make tables of adverse events in clinical trials that have n(%) values in the
> cells. I'd
On Mar 17, 2010, at 11:23 AM, Tony Laidig wrote:
Hello Everyone-
I'm calculating summary statistics on a dataset (~4000 records,
observations are not uniformly distributed) using summaryBy and trying
to add a column with the number of observations to the output as well.
What occurs to me is to
On Wed, Mar 17, 2010 at 10:25 AM, Erik Iverson wrote:
>
>
> Paul Miller wrote:
>>
>> Hello Everyone,
>>
>> I have just started learning R and am in the process of figuring out
>> what it can and can't do. I must say I am very impressed with R so
>> far and am amazed that something this good can ac
Hi Paul,
For instructions and examples using the Hmisc latex() function you
might want to take a look at
http://lib.stat.cmu.edu/S/Harrell/doc/summary.pdf.
-Best,
Ista
On Wed, Mar 17, 2010 at 10:51 AM, Paul Miller wrote:
> Hello Everyone,
>
> I have just started learning R and am in the process
Yes, that was very useful, thank you, Cheba
2010/3/17 Ivan Calandra
> Hi,
>
> Here is one option:
> #some sample dataframes
> df1 <- data.frame(letter=letters[1:3], number=1:3)
> df1 <- data.frame(letter=letters[4:6], number=4:6)
>
> #save the dataframes
> save(df1, df2, file="test.Rda")
> #load
Thank you Gustaf for your help! It worked perfectly. Now I just need to figure
out how you did it.
Petr, thank you for assisting me, but I could not get your approach to work.
Mike
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Paul Miller wrote:
Hello Everyone,
I have just started learning R and am in the process of figuring out
what it can and can't do. I must say I am very impressed with R so
far and am amazed that something this good can actually be free.
Recently, I finished reading R for SAS and SPSS Users and
Hello Everyone-
I'm calculating summary statistics on a dataset (~4000 records,
observations are not uniformly distributed) using summaryBy and trying
to add a column with the number of observations to the output as well.
What occurs to me is to use nrow(), but this doesn't appear to be working
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