Well, I admit that I don't mess with this stuff much, but it worked fine for me
in a simple test as long as I viewed the output with an editor or console that
understood UTF-8, so I dispute your assertion that this is a problem internal
to R. (I needed no special arguments to R for it to work
Hello:
I have a list of data frames, built like this: the second df is a result of
a function applied to the first, and so on.
So the ith df is always dependent on the (i-1)th df. I've been doing this
using for loops. However I think I have too many for loops which is making
my code run
Is there a build in function to create an index for tapply or by given a
a numeric vector x an a vector of breaks?
What I want to do is:
x - 1:100
breaks - c(0,10,20,50,99,110)
y - rep(0,length(x))
for(i in 2:length(breaks)){
y[which(xbreaks[i-1] x = breaks[i])] - i
}
by(x,y,sum)
but I
Hello,
Try using ?cut
y2 - cut(x, breaks)
by(x, y2, sum)
Hope this helps,
Rui Barradas
Em 27-06-2013 09:24, Witold E Wolski escreveu:
Is there a build in function to create an index for tapply or by given a
a numeric vector x an a vector of breaks?
What I want to do is:
x - 1:100
breaks
Hi, Witold,
take a look at
?findIntervals
It might give want you need.
Hth -- Gerrit
On Thu, 27 Jun 2013, Witold E Wolski wrote:
Is there a build in function to create an index for tapply or by given a
a numeric vector x an a vector of breaks?
What I want to do is:
x - 1:100
breaks -
You might want to use Rprof to profile your code to understand where the time
is going; it might be in the function you are callingband therefore the for
loop might not be the issue.
Sent from my iPad
On Jun 27, 2013, at 4:19, Frederico Mestre mestre.freder...@gmail.com wrote:
Hello:
Hello
I have done a cluster analysis, and I would like to change the font size of my
sample names. I have tried using cex, but this doesn't work/change anything. I
have tried to specify it with cex.main, cex.lab, cex.axis and cex.sub, and can
change all other names in the picture but my sample
Hi David,
your code works perfectly on my dataset, thanks for the detailed example
and for your time!
Best,
Simone
2013/6/26 David Carlson dcarl...@tamu.edu
Your data is probably not arranged correctly. See if this works for
your data:
# Creating a reproducible example
set.seed(42)
Your example is not reproducible (see the posting guide), but using
example(hclust)
hc - hclust(dist(USArrests), ave)
plot(hc)
plot(hc, cex = 0.3)
the second has much smaller case names.
On 27/06/2013 11:12, Gitte Brinch Andersen wrote:
Hello
I have done a cluster analysis, and I would like
Hi,
I am trying to combine two levels and leave all other levels unchnaged. I
have tried doing the following:
combine_factor(DATA$Land_zone, c(mix use,Mixed use))
but it just returns NA.
Thanks
--
Shane
[[alternative HTML version deleted]]
On Wed, Jun 26, 2013 at 12:53 AM, Shane Carey careys...@gmail.com wrote:
Hi,
I have a data set consisting of XYZ data. the dimensions are 22427 rows by
3 columns.
I try to use rasterFromXYZ from the raster package but I get the following
error:
Error in rasterFromXYZ(DATA) : x cell sizes
I second Ellison sentiments of almost never. One main reason is readability on later
viewing.
Yes, as Duncan says global variables can sometimes be handy and make functions quick to
write, but using a formal argument in the call is always clearer.
Terry Therneau
On 06/27/2013 05:00 AM,
On 13-06-27 8:18 AM, Terry Therneau wrote:
I second Ellison sentiments of almost never. One main reason is readability
on later
viewing.
Yes, as Duncan says global variables can sometimes be handy and make functions
quick to
write, but using a formal argument in the call is always clearer.
Yes, it is a bug. Thanks for providing a complete example. I'll look into it, but leave
for a week's vacation in a couple of hours and have some other pressing tasks.
Terry T.
Terry,
I recently noticed the censor argument of survfit. For some analyses it
greatly reduces the size of the
Duncan,
I disagree with Duncan was not at all the intent of my note, but on rereading it does
have that flavor. Chastisement accepted. Due to the documentation angle I'd simply
change your original maybe to sometimes maybe. A bit more caution but the same message.
Terry T.
On 06/27/2013
Hi,
May be this helps:
Data1-read.table(text='
TYPE VALUE
Residential-future 2.2
Open space-managed 1.4
Mixed use 5.2
Residential-existing
The problem isn't so much getting the output to work. I can get that to work
too. The problem is that R doesn't know what the encoding is, so things like
graphs fail.
-Original Message-
From: Jeff Newmiller [mailto:jdnew...@dcn.davis.ca.us]
Sent: Thursday, June 27, 2013 12:45 AM
To:
On 27/06/2013 9:11 AM, Ned Harding wrote:
The problem isn't so much getting the output to work. I can get that to work
too. The problem is that R doesn't know what the encoding is, so things like
graphs fail.
I think the solution is pretty clear: don't expect R CMD BATCH to
accept
Hi,
May be this helps:
#You can use ?read.csv() to read the two files.
set.seed(24)
dat1- as.data.frame(matrix(sample(20:40,40,replace=TRUE),ncol=4))
set.seed(285)
dat2- as.data.frame(matrix(sample(35:60,40,replace=TRUE),ncol=4))
sapply(colnames(dat1),function(i)
Hi John (and other authors of ChoiceModelR package),
I am experiencing a weird thing when using the function choicemodelr under
R3.0.1.
Before I updated to R3.0, I had used choicemodelr unde R2.15. It was always
as fast or faster than exactly the same task in Sawtooth software.
Now, I've tried to
Hello,
When i type in the below syntax:
Data (name of the data set)
I get an error message specifying that the data package is not found.
Please note that i installed all packages having the word data included in
them and loaded all these packages.
Please advice.
Regards!
I run the following in the actuar package while trying to discretize the
lognormal distribution which i had fitted using the fitdistrplus package.
fx - discretize(plnorm(11.69,2.1),from = 0, to = 22, step = 0.5, method =
upper)
Error in discretize(plnorm(11.69, 2.1), from = 0, to = 22, step =
Gitte, in addition to Brian Ripley's answer: Will you be able to read all those
labels anyway? And: Have you considered using heatmap.2 (gplots package)? It's
a little denser than your approach and lets you in control of the clustering
function (defaults are the same as in your example). You
Hi,
I would like to display inter-parameter scatter plots like those with the
corrgram package (see upper triangle here:
http://www.statmethods.net/advgraphs/images/corrgram2.png ), just that I would
like to plot two datasets instead of one. Say one with black and one with red
dots. Or a
Dear useRs,
I am currently using the ctree function (package party) and am stuck at
the problem of getting a one-node tree (a tree with no splits consisting of
the root only) even if I maximally loosen all the stopping criteria
(mincriterion = 0, minbucket = 0, minsplit = 0).
In order to check
Hello,
i just begin to study R language. And now i need to do clustering analysis
of some data from microarray experiments.
are there any good package for doing that?
If i get the clustering results, how can i get a matrix or list of all the
members of a certain cluster?
thanks!
zhaoran
Dear Mr. Kane
Thank you very much for your recommendations!!! And I apologise for all
circumstances!! I will do so as you said in the future!
Have a nice day,
Best wishes Jacqueline
Gesendet: Mittwoch, 26. Juni 2013 um 17:34 Uhr
Von: John Kane jrkrid...@inbox.com
An: Jacqueline Oehri
Dear Sir
I'm a student in the university and just start to use R for agricultural
research analysis.
I know my question is an old question, but I don't find any clear explanation
about my problem via internet.
I'm sorry if my email is disturbing all of you.
I install R with version 3.0.1
I too find R's lexical scoping rules straightforward.
However, I'd say that if your code relies on lexical scoping to find
something, you should probably rewrite your code.
Except of course that almost every function relies on lexical scoping
to some extent!
Do you want:
f - function(a, b)
hello,
i have to do a sna for a seminar.
i have a csv.data with acteurs. i can identify a cooperation between acteurs
with an ID in the csc.data.
Is the ID equal with another acteur, so they have an cooperation.
furthermore i have an information about the acteurs in the csv.data. there
are
you probably need to type
data(datasetname)
with a lowercase d for data().
R is case sensitive.
On Thu, Jun 27, 2013 at 4:02 PM, Yasmine Refai y_re...@hotmail.com wrote:
Hello,
When i type in the below syntax:
Data (name of the data set)
I get an error message specifying that the data
You need to copy the lines you have typed in to R and send them
exactly. The only way I get an error message like the one you
indicate is with the following:
library(data)
Error in library(data) : there is no package called 'data'
There is no Data function in R so if you typed that you would
?pairs
On Thu, Jun 27, 2013 at 2:48 AM, Meesters, Aesku.Kipp Institute
meest...@aesku-kipp.com wrote:
Hi,
I would like to display inter-parameter scatter plots like those with the
corrgram package (see upper triangle here:
http://www.statmethods.net/advgraphs/images/corrgram2.png ), just
You're right. I was in a hurry and misread the question
John Kane
Kingston ON Canada
-Original Message-
From: cl...@ecy.wa.gov
Sent: Wed, 26 Jun 2013 09:16:21 -0700 (PDT)
To: jrkrid...@inbox.com
Subject: Re: [R] XYZ data
John,
That still leaves a string of identical numbers
Hello,
After installing the package (just once) you have to load it in the R
session (every time you start a session that will use it.) You do this
with the following command.
library(agricolae) # load the package
Hope this helps,
Rui Barradas
Em 27-06-2013 11:17, bawonpon chonipat
data is a base function (so you should not have to load any packages to use
it), and it is not capitalized. Depending on the particular data set you want
the data function to load, you may need to load the package that contains that
data set.
A common error by beginners (which may or may not
Dear List members,
i am seeking a multivariate version of aggregate. I want to compute, fro
example the correlation between subsets of two vectors. In aggregate, i
can only supply one vector with indices for subsets. Is there ready
function for this or do i need to program my own?
Cheers
On Jun 27, 2013, at 4:14 AM, Charles Thuo wrote:
I run the following in the actuar package while trying to discretize the
lognormal distribution which i had fitted using the fitdistrplus package.
fx - discretize(plnorm(11.69,2.1),from = 0, to = 22, step = 0.5, method =
upper)
Error in
Hi,
I used as.data.frame(matrix(...)) just to create an example dataset. In your
case, you don't need to do that. Using the same example:
set.seed(24)
dat1- as.data.frame(matrix(sample(20:40,40,replace=TRUE),ncol=4))
set.seed(285)
dat2-
You can specify a package that exists, for example, datasets. You
can use the data() function instead of the Data() function which
does not exist. You could read one of the many, fine tutorials about
R:
http://cran.r-project.org/other-docs.html
David
-Original Message-
From: Yasmine
When should I use a dataframe vs. a matrix? What are the pros and cons?
If I have data of all the same type, am I usually better off using a
matrix and not a dataframe?
What are the advantages if any of using a dataframe vs. a matrix?
(rownames and column names perhaps?)
Anika -- these are good questions and many on the list could
expatiate on them. These erudite people are also busy, however, and
that is why the R-news posting guide suggests that you study an
introductory book on R before asking general questions.
On 27-Jun-13, at 11:26 AM, Anika Masters
Hi,
set.seed(24)
dat1-data.frame(X=sample(letters,20,replace=TRUE),Y=sample(1:40,20,replace=TRUE),stringsAsFactors=FALSE)
mat1-as.matrix(dat1)
sapply(dat1,class)
# X Y
#character integer
sapply(split(mat1,col(mat1)),class)
# 1 2
#character character
#using rollapply to calculate a moving sum or running sum?
#I am tryign to use rollapply to calcualte a moving sum? #I tried
rollapply and get the error message
#Error in seq.default(start.at, NROW(data), by = by) :
# wrong sign in 'by' argument
#example:
mymatrix - ( matrix(data=1:100,
Hello:
Is there a fully transportable way to write an Excel workbook?
The writeFindFn2xls function in the sos package attempts to write
search results to an Excel workbook consisting of (1) a summary of the
packages identified in the search, (2) the individual help pages found,
and (3) the
You can pass a matrix to by()
set.seed(42)
dat - data.frame(x=runif(50)*20, y=runif(50)*20,
g=rep(LETTERS[1:2], each=25))
as.vector(by(dat[,1:2], dat$g, function(x) cor(x)[1,2]))
[1] -0.05643063 0.16465040
-
David L Carlson
Associate Professor of
XLConnect package
Andrija
On Jun 27, 2013 9:15 PM, Spencer Graves
spencer.gra...@structuremonitoring.com wrote:
Hello:
Is there a fully transportable way to write an Excel workbook?
The writeFindFn2xls function in the sos package attempts to write
search results to an Excel workbook
Look at the plyr package, probably the ddply function in that package. You
can write your own function to do whatever you want on the pieces of the
split apart object. Correlation between a specified pair of columns would
be simple.
On Thu, Jun 27, 2013 at 11:26 AM, Jannis bt_jan...@yahoo.de
Hi,Without any reproducible example or code, it is difficult to understand the
problem. Did you load the package?
Using the example in ?LSD.test()
library(agricolae)
data(sweetpotato)
model-aov(yield~virus, data=sweetpotato)
out - LSD.test(model,virus, p.adj=bonferroni,
Hello,
Or use ?sapply.
sapply(split(dat[1:2], dat[3]), function(x) cor(x[1], x[2]))
Hope this helps,
Rui Barradas
Em 27-06-2013 20:22, David Carlson escreveu:
You can pass a matrix to by()
set.seed(42)
dat - data.frame(x=runif(50)*20, y=runif(50)*20,
g=rep(LETTERS[1:2], each=25))
On Jun 27, 2013, at 2:14 PM, Spencer Graves
spencer.gra...@structuremonitoring.com wrote:
Hello:
Is there a fully transportable way to write an Excel workbook?
The writeFindFn2xls function in the sos package attempts to write search
results to an Excel workbook consisting of (1) a
Hello,
Arun's answer shows that matrices are faster. If your data is all of the
same type, then this might be a point for matrices.
data.frames are better for modeling. You can use the formula interface
to the many modeling functions. For instance, the example below is _not_
possible with a
Hi J Ely,
This would very much depend on how an O-ring statistic for inhomogeneous
point patterns is defined. The formula in Wiegand and Moloney (2004),
O(r)=g(r)*lambda, straightforwardly only makes sense for a homogeneous
pattern, where the intensity lambda is a constant. Is there an official
Please reply to all so the thread stays on the mailing list for all to see (and
correct if wrong information is given).
Regarding your code below, either you are missing a library statement to load a
package that contains this trial data, or you are intending to read in your
own data set but
On Fri, Jun 28, 2013 at 1:41 AM, Shane Carey careys...@gmail.com wrote:
Hi Michael,
I tried this but it would not work. I get an error stating that x cell
sizes are not regular.
Any ideas?
The function is reporting that your data don't fall on a grid, you'll
need to figure out why that is
This gets you close ...
Jean
library(zoo)
t(apply(mymatrix, 1, rollapply, w, sum))
On Thu, Jun 27, 2013 at 2:00 PM, Anika Masters anika.mast...@gmail.comwrote:
#using rollapply to calculate a moving sum or running sum?
#I am tryign to use rollapply to calcualte a moving sum? #I tried
On Thu, Jun 27, 2013 at 3:00 PM, Anika Masters anika.mast...@gmail.com wrote:
#using rollapply to calculate a moving sum or running sum?
#I am tryign to use rollapply to calcualte a moving sum? #I tried
rollapply and get the error message
#Error in seq.default(start.at, NROW(data), by = by) :
Hi,
Try:
library(zoo)
rollapply(t(mymatrix),width=12,FUN=sum,by.column=T,fill=NA,partial=FALSE,align=left)
# [,1] [,2] [,3] [,4] [,5]
#[1,] 342 354 366 378 390
#[2,] 402 414 426 438 450
#[3,] 462 474 486 498 510
#[4,] 522 534 546 558 570
#[5,] 582 594 606 618
Hi,
May be this also helps:
library(data.table)
dt1- data.table(dat)
dt1[,cor(x,y),by=g]
# g V1
#1: A -0.05643063
#2: B 0.16465040
dt1[,cor(x,y),by=g]$V1
#[1] -0.05643063 0.16465040
A.K.
- Original Message -
From: David Carlson dcarl...@tamu.edu
To: 'Jannis'
Hi,
May be this helps:
res1-as.matrix(transform(expand.grid(k1=0.3*(1:10),k2=1:10),k3=k1*k2))
A.K.
Dear all,
I'm trying to generate a matrix dataset following 2 loops analysis, such as the
follows:
for (i in 1:10) {
k1 - 0.3 x i
for (j in 1:10) {
k2 - j
k3 - k1*k2
}}
I
On 28/06/13 04:47, Jeff Newmiller wrote:
SNIP
A common error by beginners (which may or may not be your problem in this case) is to create a
variable called data. Unfortunately this hides the function named data and
from that time forward that R session doesn't work when you type example
Hi Jean,
contr.treatment(4) shows what the default contrast matrix looks like
for a factor with 4 levels. What function do I use to create a
contrast matrix to compare each level with the global mean (four
comparisons in total), and produce a table similar to `summary.lm`?
Thanks,
Shaun
On 26
Hi
I would like to plot multiple data sets on a scatter plot with error bars.
To do this I write the following code:
install.packages(Hmisc)
library(Hmisc)
x1-data1[,1]
y1-data1[,2]
x2-data2[,1]
y2-data2[,2]
x3-data3[,1]
y3-data3[,2]
SD1-data1[,3]
SD2-data2[,3]
SD3-data3[,4]
delta-runif(5)
On Jun 27, 2013, at 3:47 PM, Shaun Jackman wrote:
Hi Jean,
contr.treatment(4) shows what the default contrast matrix looks like
for a factor with 4 levels. What function do I use to create a
contrast matrix to compare each level with the global mean (four
comparisons in total), and
I am trying to detect a positively increasing trend in a time series data,
to
which when I apply the rolling mean it almost turns into a step wave
function. The sharp rise in slope of rolling mean is an indication of
positive trend, thus the rolling mean becomes like a step wave function.
Is
Hi there,
I would like to know how to change the line img=as.single(rnorm(m))) such
that instead of being a vector of length m as it is now, img is an array of
dimension c=(n,m,o) for instance
-
read_ts-function(n,m,o,img) {
out-.Fortran(read_ts,
On Jun 27, 2013, at 8:04 PM, Kaptue Tchuente, Armel wrote:
Hi there,
I would like to know how to change the line img=as.single(rnorm(m))) such
that instead of being a vector of length m as it is now, img is an array of
dimension c=(n,m,o) for instance
-
Hello R experts,
I am having a problem to edit legend in ggplot using four variables.
My data structure is :
str(df)
'data.frame': 10 obs. of 6 variables:
$ id: Factor w/ 2 levels 639A,640: 1 1 1 1 1 2
2 2 2 2
$ species : Factor w/ 5 levels
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