Dear R Helpers,
I read carefully the documentation and all postings on the hclust and cutree
functions, however some aspects of the tree ordering and cluster assignment
performed by these functions remain unclear to me, so I would very much
appreciate your help in making sure I get them right.
Hello everyone,
This is my first post but I really need help and think R could be the way to
go. I have a question regarding R and finding the most points in a
certain area. I am looking at various places that have a certain point
value associated to each place. The data I will be reading in
I have 70 columns and more than 400k rows .In the data date column will have
values from 1900(01/01/1900) .How do i select only the data of recent two
years?Help me in this regard
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I have to remove missing data both in character and numeric datatype.I tried
using NA condition but it is not working ,please help me to solve this.
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Hi,
A new version of the QCA package (0.6-0) was submitted to CRAN.
This is a major improvement, now working with multi-valued data (previous
versions accepted binary data only).
The classical function qmcc() still accepts only binary data, but the
enhanced function eqmcc() is now ready for
Thanks to everyone for helping me overcome the problem faced .I have got
over with the problem .once again thanks for the immediate response of all
the members
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want i meant was there is Rweb (web interface)
http://bayes.math.montana.edu/Rweb/Rweb.general.html where we can type in
r code and it gives u results ,so i just wanted to know if there r any other
such sites
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Hi,
I have used sm package ( sm.sphere(k$x, k$y, kappa = 20, hidden = FALSE,
sphim = FALSE, addpoints = FALSE) to obtain global lightning distribution.
But I am still in trouble with the color image - everything is thick black
and therefore, difficult to note the regions of higher density. Could
Well, code with 50+ ifelse statements (probably nested) seems to me quite
weird. I believe that such scheme could be solved differently but without
real code it is nothing to suggest.
r-help-boun...@r-project.org napsal dne 18.09.2009 13:51:45:
On 9/18/2009 5:49 AM, premmad wrote:
I tried
Have you been plotting the columns of the model matrix against age, and
finding differences between replicates? If so, the differences that you see
are the differences induced by the *identifiability constraints* applied to
the different replicates. The identifiability constraint is that the
Try the ROCR package.
Regards,
Graham
2009/9/13 Abbas R. Ali abba...@yahoo.com
Hi
Can anybody tell me in which library Performance and Prediction routines
exist to find AUC and I am unable to find a dependency of rattle library,
XML, for Windows can any body tell me about that.
Thanks
Hi
see ?format
output of format can be transferred to numeric and you can use logical
operators to select only desired data.
x[as.numeric(format(x, %Y)) 2008,]
another option is to compare it to some date like
x as.Date(2008-1-1)
this assumes that x has class Date. If not you can change it
Hi
did you try
?complete.cases or ?na.omit?
nadata[complete.cases(nadata),]
Regards
Petr
r-help-boun...@r-project.org napsal dne 21.09.2009 08:16:04:
I have to remove missing data both in character and numeric datatype.I
tried
using NA condition but it is not working ,please help me to
Apologize in advance for the question but could anyone tell how to run
r Rattle and rcmdr on I
Phone 3gs please regards ajay ohri u Tennessee
At Knoxville
Www.decisionstats.com
Sent from my iPhone
On Sep 21, 2009, at 4:44 AM, Graham Williams graham.willi...@togaware.com
wrote:
Try the
Dear Simon,
I want a simple generalised additive model for regression which I can
customise (force /define a certain basis, certain order for the splines, knots
vector, generating new link functions, and force the regression through 0,0).
What do you suggest?
On Friday 18 September 2009
Thank you so much for trying to help me.
Thus, I still can't get it to work.
I will clearify a bit. If you somehow have time helping me I would much
appreciate it.
NAD and Prot.amount are both data.frames. There are several different
dataframes called NAD,NAD1, NAD2 etc. that I
Hello everyone,
I have a plot and I want to but a (formatted) box containing text and
numbers, say:
Mean: 0.1
St.Deviation: 1.1
Skewness: 1.1
Kurtosis: 0.5
I know there is a way to do this, there is a function in some library,
but it's been years since
I used this function, and I do not remember
Hi,
Maybe the textplot() function in the gplots package?
HTH,
baptiste
2009/9/21 Sergey Goriatchev serg...@gmail.com:
Hello everyone,
I have a plot and I want to but a (formatted) box containing text and
numbers, say:
Mean: 0.1
St.Deviation: 1.1
Skewness: 1.1
Kurtosis: 0.5
I know
Martin Morgan wrote:
Jon Olav Skoien wrote:
Hi,
I want to cross-reference from the documentation of pkg1 to pkg2, which
is imported in the NAMESPACE of pkg1, and under Depends in DESCRIPTION
of pkg1. According to Writing R extensions, this can be done by:
\code{\link{foo}}
when foo is an
Hi
I believe you are quite near.
r-help-boun...@r-project.org napsal dne 21.09.2009 11:38:29:
Thank you so much for trying to help me.
Thus, I still can't get it to work.
I will clearify a bit. If you somehow have time helping me I would much
appreciate it.
NAD and Prot.amount are
Where do you want this text to be placed then?
maybe a call to legend(), or mtext() would suffice, it's hard to say
more without a reproducible example.
baptiste
2009/9/21 Sergey Goriatchev serg...@gmail.com:
Hi, Baptiste
Yes, I've found textplot() function, but I doubt it is the one I
Hi, Baptiste
Yes, I've found textplot() function, but I doubt it is the one I need.
What I have is a density plot, and I want to add to this density plot
a text box containing the stats I mentioned in previous email.
I could do that kind of stuff with simple text() function, but then
everytime x
Hi,
I have to follow up my own question since this problem is getting quite
disturbing and I fear that it also causes other functions to malfunction
without notice.
It occurs quite quite often when I manipulate the mentioned data set. It
definitely is caused by the column entries which are
Here is a kind of example:
plot(density(rnorm(1000)))
text(c(2,2),c(0.2,0.21),labels=c(Skewness,Kurtosis), pos=4, cex=0.7)
text(c(3,3),c(0.2, 0.21), labels=c(1.1, 2.2), pos=4, cex=0.7)
There is a function in some library that produces text boxes (with
borders) that can be placed inside a plot.
Hi
I tried but
describe(c(5,3,76,4/0))
Error: could not find function describe
What shall I do? Quick search did not find function on CRAN and I do not
have enough time to dig it from somewhere.
Regards
Petr
r-help-boun...@r-project.org napsal dne 21.09.2009 12:06:09:
Hi,
I have to
Try this:
plot(1:10)
A - 1; B - 2
legend(topleft, leg = paste(c(A, B), c(A, B), sep = =))
or
RSiteSearch(text box)
RSiteSearch(text plot)
On Mon, Sep 21, 2009 at 5:42 AM, Sergey Goriatchev serg...@gmail.com wrote:
Hello everyone,
I have a plot and I want to but a (formatted) box containing
I'm trying to display the probability space of a function and wanted to see
specifically where the maximum posterior probability is.
data=read.table(PosteriorData,header=F)
mat=as.matrix(data)
heatmap.2(mat/max(mat,na.rm=T),dendrogram=c(none),trace=c(none),
Try demo in http://dssm.unipa.it/R-php/
We have to fix a bug on the plots, but other things work.
Bye,
Elio Mineo
Il giorno dom, 20/09/2009 alle 22.11 -0700, vinay basavanal ha scritto:
want i meant was there is Rweb (web interface)
http://bayes.math.montana.edu/Rweb/Rweb.general.html where
Dear All,
I need to print the column names of variables before each block of output,
for a nested model with 2 levels (3 phenotypes * 10 markers).
This is so that my output is labeled, and I know which combination of
factors produces which set of REML estimates.
Currently my output looks
Hi,
I have a problem.
I have a data frame looking like:
ID val
A .3
B 1.2
C 3.4
D 2.2
E 2.0
I need to CREATE the following TABLE:
CASE DIFF
A-A 0
A-B -0.9
A-C -3.1
A-D -1.9
A-E -1.7
B-A ...
B-B ...
B-C
B-D
B-E
C-A
C-B
C-C
C-D
C-E
D-A
D-B
D-C
D-D
D-E
E-A
E-B
E-C
E-D
I think this is what you want, using the volcano dataset as an example:
data(volcano)
heatmap.2(volcano / max(volcano), col=c(heat.colors(16)[1:15],black))
Basically, setting the last color to be black. If you want better
control over exactly what range should be black, you can set the
breaks
Try this:
data.frame(ID = apply(expand.grid(x$ID, x$ID), 1, paste, collapse =
'-'), diff = c(outer(x$val, x$val, '-')))
On Mon, Sep 21, 2009 at 9:39 AM, alessandro carletti alxmil...@yahoo.it wrote:
Hi,
I have a problem.
I have a data frame looking like:
ID val
A .3
B 1.2
C 3.4
D
Here is an approach...probably there are more elegant ways
mydata=data.frame(ID=c(A,B,C,D,E),val=c(.3,1.2,3.4,2.2,2.0))
index=expand.grid(1:nrow(mydata),1:nrow(mydata))
dif=data.frame(difference=mydata$val[index$Var2]-mydata$val[index$Var1])
This is probably a describe function from Hmisc-package.
2009/9/21 Petr PIKAL petr.pi...@precheza.cz:
Hi
I tried but
describe(c(5,3,76,4/0))
Error: could not find function describe
What shall I do? Quick search did not find function on CRAN and I do not
have enough time to dig it from
Hi,
I am trying to write a simulation of the movements of four animals between
six patches. The movement between patches is based on a first-order Markov
chain so that the next patch they visit depends on the patch they were in
before.
I have written code that allows me to simulate the movement
Try http://www.sagemath.org/
You may have to register though.
vinay basavanal wrote:
Hi i can get sites that can r code on browser
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Hello all,
It seems that the GeneMeta passage returns NA in the respective row if
any gene in the data sets to be synthesised are missing. Do you know
of a way to overcome this problem?
I tried using the 'impute' package to fill-in the missing values, but
R crashes if 'impute' and 'GeneMeta'
Well, the title says all for this one. It seems to crash the
R-console, so it happens whether I use the R-gui or R-console directly
or Emacs with ESS.
I have R 2.9.0 on Windows Vista.
Thanks,
Vassilis
__
R-help@r-project.org mailing list
A few comments below
On Mon, Sep 21, 2009 at 3:10 PM, drlucyasher las...@rvc.ac.uk wrote:
Hi,
I am trying to write a simulation of the movements of four animals between
six patches. The movement between patches is based on a first-order Markov
chain so that the next patch they visit
Dear All,
I need to print the column names of variables before each block of output,
for a nested model with 2 levels (3 phenotypes * 10 markers).
This is so that my output is labeled, and I know which combination of
factors produces which set of REML estimates.
Currently my output looks like
Hi Vassilis --
Vassilis Golfinopoulos wrote:
Hello all,
It seems that the GeneMeta passage returns NA in the respective row if
any gene in the data sets to be synthesised are missing. Do you know
of a way to overcome this problem?
I tried using the 'impute' package to fill-in the missing
Dear R users.
I am analysing a parasite-host dataset which consists of the following
samples collected from wild fish:
2 locations
with 7 and 8 fish hosts each
in which I retrieved and measured (length, weight, length/weight, pairwise
relatedness) unequal and rather small (5-30) numbers of
Help us to help you, show us the code that you tried, what you expected, and
what you saw.
Does using NA condition mean:
x == NA
Which does not work
Or
is.na(x)
Which should.
-Original Message-
From: premmad mtechp...@gmail.com
To: r-help@r-project.org r-help@r-project.org
Sent:
HI, All R users,
My problem is:
fn
[1] C:/Documents and
Settings/lma/Desktop/FamilyAEntrepreneurs/Entrepreneurs/Juha/book_log-20041210T095019.txt
dpath
[1] C:/Documents and Settings/lma/My Documents/Juha/book
I want to make a function cyfun to copy all files in dir to deskdir but
I
Consider this sample dataset (displayed [1:3, 1:3]):
T1053B T1102A T1129A
AKT1 -0.02412174 0.1986057 NA
AURKA -0.37109748 -0.4418542 0.04967051
BRAF -0.14589269 -0.1590310 -0.35483226
is.na(dataset[1, 3])
TRUE
library(impute)
library(GeneMeta)
imputed.dataset -
Dear community,
I'm using R 2.6.1 on a GNU/Linux Slackware box. I would like to obtain
larger text when using spplot (from sp 0.9-43) using
spplot(... cex=2)
but I get no visible effect.
Any help?
Thanks,
__
R-help@r-project.org mailing list
In your file.copy() command you have deskfile,
but deskfile does not appear anywhere else.
Perhaps you meant deskdir?
After the error occurs, type
traceback()
and try to discern exactly where things went wrong.
-Don
At 5:05 PM +0300 9/21/09, Tammy Ma wrote:
Content-Type: text/plain
Hi,
I want to have a legend that is a mixture of numbers and symbols, and
have found no way of achieving this.
For example, if I want theta=x or theta=2 this is easily achieved.
plot(0, xlab=expression(paste(theta, = x)))
plot(0, xlab=expression(paste(theta, = 2)))
However, if x is some
Oh dear! Yes I see now that when I update j to i then this won't work... but
I'm now stuck trying to think of a way round this.
I've tried moving all script to before the i- j command and leaving it out
all together but neither work.
Any ideas?
--
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Moreno,
I don't understand exactly what it is you are trying to do. Can you explain
what you want your matrices to look like? Perhaps give an example.
Bryan
-
Bryan Keller, Doctoral Student/Project Assistant
Educational Psychology - Quantitative Methods
The University of
Hi there,
Anyone has an idea how to put those two sets of code together so that I can get
a 3-dimensional picture that includes points instead of 2 separate pictures
which doesnt make that much sense at the end.
#Let's say that these are the data we would like to plot:
A-c(62,84,53)
Ana
Not sure if I understood your problem, but on my side, the lines and
points are both on the same 3-d picture. However, the lines are just
very small: by setting data = data/100, the lines and points are both
visible.
HTH
Schalk Heunis
On Mon, Sep 21, 2009 at 4:38 PM, Ana Kolar
plot(0, xlab=bquote(theta * = * .(x)))
?substitute
?bquote
HTH,
baptiste
2009/9/21 Jarrod Hadfield j.hadfi...@ed.ac.uk:
Hi,
I want to have a legend that is a mixture of numbers and symbols, and have
found no way of achieving this.
For example, if I want theta=x or theta=2 this is easily
Ha. You understood my question perfectly ok and thank you for your answer.
Haven't thought that this might be the case, and it is, indeed!
Regards,
Ana
From: Schalk Heunis schalk.heu...@gmail.com
Cc: R r-help@r-project.org
Sent: Monday, September 21, 2009
Roberto Brunelli roby.brunelli at gmail.com writes:
Dear community,
I'm using R 2.6.1 on a GNU/Linux Slackware box. I would like to obtain
larger text when using spplot (from sp 0.9-43) using
spplot(... cex=2)
but I get no visible effect.
Any help?
We need a reproducible
Well, the title says all for this one.
Not really. What do you mean by crash? What do you mean by used together?
Hadley
--
http://had.co.nz/
__
R-help@r-project.org mailing list
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the
Dear mailing list,
I'm stuck with a tricky problem here - at least it seems tricky to me,
being not really talented in pattern matching and regex matters.
I'm analysing amino acid mutations by position and type of mutation.
E.g. (fictitious example) in position 92, I can find L92V, L92MV,
Moreno,
I don't understand exactly what it is you are trying to
do. Can you explain what you want your matrices to look like? Perhaps
give an example.
Bryan
Dear Bryan,
let's try with an example: i
have 8 column vectors
v1-matrix(c(2,5,6,8))
v2-matrix(c(3,7,9,11))
On 9/21/2009 9:18 AM, Vassilis Golfinopoulos wrote:
Well, the title says all for this one. It seems to crash the
R-console, so it happens whether I use the R-gui or R-console directly
or Emacs with ESS.
Not for me. (But as Hadley said, you didn't explain what you needed to
do to trigger the
Hello Group,
I'm trying to learn R and am having a problem getting output from a
function I'm trying to write. The problem is clearly one of scope,
but I can't find the documentation that tells me how to get around the
issue.
Here is an example of my problem.
testfunc-function(x)
{ y-10
Don't know SAS, but you can use y-10 to make the answer available in
the global environement. See ?'-'
To define the output see ?return
Schalk Heunis
On Mon, Sep 21, 2009 at 5:29 PM, David Young dyo...@telefonica.net wrote:
Hello Group,
I'm trying to learn R and am having a problem getting
Hello,
testfunc-function(x)
{ y-10
print(y)
print(x)
}
testfunc(4)
The variables x and y are accessible during execution of the function
testfunc but not afterwards.
In R, expressions return values. When you define a function, ?function says
that, If the end of a function is
On Sep 21, 2009, at 11:29 AM, David Young wrote:
Hello Group,
I'm trying to learn R and am having a problem getting output from a
function I'm trying to write. The problem is clearly one of scope,
but I can't find the documentation that tells me how to get around the
issue.
Here is an
I see you've already been told about -. The reason I (and presumably
others?) stay away from that construct is that your function then has side
effects that a user (even yourself) may not anticipate or want, namely possibly
overwriting a previous variable in your global environment. The help
Hello, everyone
I run Eclipse Ganymede and R 2.7.2 at work.
I have one R script file where I open in memory a new xls file (using
xlsReadWritePro), call other R scripts, which are in the same folder
as the main R script,
which get data from an existing xls file, process data, and output
results
Sorry everyone
Disregard this email.
I found the problem.
I have xlsReadWritePro loaded automatically at start of R.
Then I load package gplots, which also loads gdata
gdata masks function read.xls() from xlsReadWritePro and that causes
all the problems.
Regards,
Sergey
On Mon, Sep 21, 2009 at
On Sep 21, 2009, at 11:52 AM, Sergey Goriatchev wrote:
Hello, everyone
I run Eclipse Ganymede and R 2.7.2 at work.
I have one R script file where I open in memory a new xls file (using
xlsReadWritePro), call other R scripts, which are in the same folder
as the main R script,
which get data
On Mon, Sep 21, 2009 at 8:07 AM, Anne-Marie Ternes amter...@gmail.comwrote:
Dear mailing list,
I'm stuck with a tricky problem here - at least it seems tricky to me,
being not really talented in pattern matching and regex matters.
I'm analysing amino acid mutations by position and type of
Moreno -
While it's possible to do what you want with 8 individual
vectors, the problem is much easier to solve if you combine
them into a list:
v = list(c(2,5,6,8),c(3,7,9,11),c(13,4,2,7),
c(3.4,6,11,21),c(1,9,45,3),c(2,76,4,2),
c(34,7,8,1),c(2,6,1,9))
combs =
Dear R users.
I am analysing a parasite-host dataset which consists of the following
samples collected from wild fish:
2 locations
with 7 and 8 fish hosts, respectively,
in which I retrieved and measured (length, weight, length/weight, pairwise
relatedness) unequal and rather small (5-30)
Hi Everyone,
I posted this a couple of weeks ago with no responses. My interface (via
gmane) seemed a bit flakey at the time, so I'm venturing to repost with some
additional information.
I'm trying to write selfStart non-linear models for use with nls. In these
models some combinations of
Hi,
I'm trying to read data from a collection of CSV files for processing
and graphing. All of my files begin with modrate and end with
.csv. I think I have the regex working but I am stumped at trying to
get read.table to work within an if statement.
This works:
filepattern=modrate*
With a small number of parameters just use brute force on grid
to calculate starting values. See nls2 package.
On Mon, Sep 21, 2009 at 12:17 PM, Keith Jewell k.jew...@campden.co.uk wrote:
Hi Everyone,
I posted this a couple of weeks ago with no responses. My interface (via
gmane) seemed a
I want to used the funtion ur.ers (DF-GLS unit root test) from the urca
packet, but there is not a test which give me the optimal lags in the
posibilities of the packet.
I am interested in know if there is a program to calculed this optimal lag,
or if someone know which one is the maximal
This should do what you want:
set.seed(1)
# cerating a vector with comments, in which d's will be counted
comments-character(25)
for (i in 1:25) {
comments[i] - paste(sample(letters[1:10], 10, replace=T), collapse=)
}
# creating a vector to cross -tabulate
age -sample(c(old, young), 25,
Werner,
Thanks for sending the data.
The problem does seem to lie with describe() in pkg:Hmisc.
Frank may want to know that it can be triggered by
f - function(n)describe(c(1:n,1/0))
f(18) #ok
f(19) #triggers the error
Perhaps it's related to the at least 20 unique values condition
Hi Sir
When I use install.packages(cvt') for installing packages using R 2.9.2 I have
the following problem
install.packages(ctv)
Warning in install.packages(ctv) :
argument 'lib' is missing: using 'C:\Users\Amina\Documents/R/win-library/2.9'
--- Please select a CRAN mirror for use in
The first warning is just telling you which library its going to use. Unless
you didn't want to use that library its of no concern.
The second warning is a permissions problem with updating the help files.
Try running R as Administrator (or install R into your user area).
On Mon, Sep 21, 2009
baptiste auguie wrote:
plot(0, xlab=bquote(theta * = * .(x)))
or probably easier use == as in
plot(0, xlab=bquote(theta == .(x)))
Uwe Ligges
?substitute
?bquote
HTH,
baptiste
2009/9/21 Jarrod Hadfield j.hadfi...@ed.ac.uk:
Hi,
I want to have a legend that is a mixture of numbers and
Try this:
do.call(expand.grid, rep(list(0:1), 4))
On Mon, Sep 21, 2009 at 2:04 PM, baptiste auguie
baptiste.aug...@googlemail.com wrote:
Dear list,
I think I'm being dense, but I can't get combn or expand.grid to give
me this result. I need to generate a matrix of all 16 possible
sequences
Vassilis Golfinopoulos wrote:
Consider this sample dataset (displayed [1:3, 1:3]):
T1053B T1102A T1129A
AKT1 -0.02412174 0.1986057 NA
AURKA -0.37109748 -0.4418542 0.04967051
BRAF -0.14589269 -0.1590310 -0.35483226
is.na(dataset[1, 3])
TRUE
Dear list,
I think I'm being dense, but I can't get combn or expand.grid to give
me this result. I need to generate a matrix of all 16 possible
sequences of 4 boolean elements,
0001
0010
0011
0100
.
(in the end I'll have to assign NA to the 0s and some value to the 1s
but let's
I knew I was missing the obvious. And to think it's only Monday...
Thanks everyone!
baptiste
2009/9/21 Henrique Dallazuanna www...@gmail.com:
Try this:
do.call(expand.grid, rep(list(0:1), 4))
On Mon, Sep 21, 2009 at 2:04 PM, baptiste auguie
baptiste.aug...@googlemail.com wrote:
Dear
-Original Message-
From: r-help-boun...@r-project.org
[mailto:r-help-boun...@r-project.org] On Behalf Of Peter Ehlers
Sent: Monday, September 21, 2009 9:29 AM
To: Werner Wernersen
Cc: r-h...@stat.math.ethz.ch
Subject: Re: [R] weird vector size cannot be NA/NaN problem
Werner,
Dear R users,
I am trying to connect R to data that is in a Access Database but I have
problem with the construction of queries using special characters.
I am using RODBC package.
The following is working :
MyQuery-paste(SELECT first( (DateHeure) ) , avg(NNO3_AT322_OUT_moy) AS Cond
FROM
I need to run a set of R commands in batch mode. Can somebody please provide
pointers to information on how to write R scripts to execute commands in batch
mode?
Thanks,
Manuj
Try the new Yahoo! India Homepage. Click here. http://in.yahoo.com/trynew
[[alternative HTML version
Hello, dear R-ers!
I built a data frame grid (below) with 4 columns. I want to exclude
all rows that have equal values in ANY 2 columns. Here is how I am
doing it:
index-expand.grid(1:4,1:4,1:4,1:4)
dim(index)
# Deleting rows that have identical values in any two columns (1 line of code):
Dear All,
I have posted to this list before regarding the same issue so I
apologize for the multiple e-mails. I am still struggling with this
issue so I thought I'd give it another try. This time I have included
reproducible code and a subset of the data I am analyzing.
I am running an
Good spot Bill,
and the error message comes from tabulate().
Peter Ehlers
William Dunlap wrote:
-Original Message-
From: r-help-boun...@r-project.org
[mailto:r-help-boun...@r-project.org] On Behalf Of Peter Ehlers
Sent: Monday, September 21, 2009 9:29 AM
To: Werner Wernersen
Cc:
estimable(fit, myEstimate)
Estimate Std. Error t value DF Pr(|t|)
test 12.18198 0.6694812 18.19615 10 5.395944e-09
Where are you getting this estimable function from? A package? Did you
define it yourself?
__
R-help@r-project.org
I should have specified this before - it's part of the gmodels library.
On Sep 21, 2009, at 2:31 PM, Erik Iverson wrote:
estimable(fit, myEstimate)
Estimate Std. Error t value DF Pr(|t|)
test 12.18198 0.6694812 18.19615 10 5.395944e-09
Where are you getting this estimable function
one way is the following:
index - expand.grid(1:4, 1:4, 1:4, 1:4)
mat - data.matrix(index)
keep - apply(mat, 1, function (x, d)
length(unique(x)) == d, d = ncol(mat))
index[keep, ]
I hope it helps.
Best,
Dimitris
Dimitri Liakhovitski wrote:
Hello, dear R-ers!
I built a data frame
Hello,
in scilab /Matlab there are functions that can create linear sequences (like R's
seq()) as well as logarithmic sequences.
Is there a logarithmic aequivalent of seq()?
Or maybe this would be an idea for newer R-releases,
maybe a type-option with linear and logarithmic as
parameters?!
Hello,
Do you mean exactly any 2 columns. What if the value is equal in more than 2
columns?
I built a data frame grid (below) with 4 columns. I want to exclude
all rows that have equal values in ANY 2 columns. Here is how I am
doing it:
index-expand.grid(1:4,1:4,1:4,1:4)
If a value
Thank you very much, both Dimitris and Erik.
Erik - you are right, I was trying to remove any duplication (i.e., if
there are the same values in 2 or 3 or 4 columns).
And it looks like that's what your solution does.
But doesn't it do the same thing as Dimitris' solution?
Dimitri
On Mon, Sep 21,
It probably does... I did not look at his until just now, my guess is they are
equivalent. There are usually at least a couple ways to do things in R, no
problem :). With massive datasets, it might make sense to try a couple
different ways to see if one or the other is faster though.
You
On Sep 21, 2009, at 2:14 PM, Dimitri Liakhovitski wrote:
Hello, dear R-ers!
I built a data frame grid (below) with 4 columns. I want to exclude
all rows that have equal values in ANY 2 columns. Here is how I am
doing it:
index-expand.grid(1:4,1:4,1:4,1:4)
dim(index)
# Deleting rows that have
You could also replace !duplicated in my function with unique ...
It turns out you can't, of course :).
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https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide
Hi Dimitri,
Try also either
index[apply(index, 1, function( x ) length( unique( x ) ) == 4 ),]
or
# install.packages('e1071')
require(e1071)
permutations(4)
HTH,
Jorge
On Mon, Sep 21, 2009 at 2:14 PM, Dimitri Liakhovitski wrote:
Hello, dear R-ers!
I built a data frame grid (below) with
Thanks a lot everyone - it's been extremely helpful!
Dimitri
On Mon, Sep 21, 2009 at 3:16 PM, Jorge Ivan Velez
jorgeivanve...@gmail.com wrote:
Hi Dimitri,
Try also either
index[apply(index, 1, function( x ) length( unique( x ) ) == 4 ),]
or
# install.packages('e1071')
require(e1071)
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