On 04/22/2013 10:14 AM, Martin Lavoie wrote:
Hi Jim
thanks for the help. I think I understand all the steps you suggested. I
tried an example with your code but there is something not working I
think. See below.
all.filenames<-list.files(__path="pathtofile", full.names=TRUE) /#this
step works/
Dear Greg,
thanks a lot for your prompt reply. I was aware of the link and the associated
papers.
In my previous mail I was wondering whether there was already an R-routine for
coping with this issue.
I add below a testable example which reproduces my problem.
Thanks again,
Giancarlo
## dime
Hello,
If stock prices are daily data, use frequency = 1.
Hope this helps,
Rui Barradas
Em 21-04-2013 14:22, Lizhu Ren escreveu:
Hi Boss,
i have data of one stock price from 2 January 2006 to 31 December 2012.But each
year had different markert day,
I want to calculate daily returns and d
Am 21.04.2013 04:14, schrieb Henrik Bengtsson:
FYI, R CMD build ... works just fine on Windows (and I'm sure R cmd
build ... won't). /Henrik
Yes it works, unfortunately windows user need not consider capitals or not.
When sitting on a Windows PC I usually typing lower cas only on Linux I
am a
Am 21.04.2013 04:59, schrieb Gabor Grothendieck:
That is correct but if one were using the batchfiles I mentioned then
both work. -- Statistics &
Batch files? I can find only xls2csv.bat and RunSnowWorker.bat in the
3.0 directories.
Knut
__
R-h
Hello,
I'm just a beginner and probably there is a better way to do it but here it
goes:
#cluster analysis
Euclidean_Distance <- dist(mydata, method="euclidean", diag=FALSE
, upper=FALSE, p=2)
data <- hclust(Euclidean_Distance, method="ward", members=NULL)
plot(data,hang=-1)
#K=4 # i chose to
Hi
Does anyone know if there is a method to calculate a goodness-of-fit
statistic for quantile regressions with package quantreg?
Tanks
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To Whom It May Concern,
When trying to install Rattle for R-3.0.0 we get a message
"package ‘rattle’ is not available (for R version 2.14.1)"
The same message we get when we try to install Rattle for earlier versions of R.
Would you be so kind to let us know how to overcome the problem?
Many th
Hi,
I'm using the clustering package 'fpc' to make some test with the dbscan
algorithm.
The commands I'm using are rather simple:
csvdata <- read.table("C:/file.csv", header = TRUE)
dataset <- csvdata[,c('D1', 'D2', 'D3', 'D4', 'D5', 'D6', 'D7')]
ds <- dbscan(dataset, 0.15, MinPts = 10)
Hi Jim
actually I did not underscore my code. I just copied and pasted the
original code you suggested.
but here is what I have on my system (I tried with csv files if I would get
a different result):
#
setwd("~/Desktop/folder/")
system("echo xxx > old.filenames.tab")
all.filenames<-list.files(pa
On 04/22/2013 09:00 PM, Martin Lavoie wrote:
Hi Jim
actually I did not underscore my code. I just copied and pasted the
original code you suggested.
but here is what I have on my system (I tried with csv files if I would
get a different result):
#
setwd("~/Desktop/folder/")
system("echo xxx > o
On 13-04-22 2:18 AM, Казахстанский филиал МГУ им.Ломоносова wrote:
To Whom It May Concern,
When trying to install Rattle for R-3.0.0 we get a message
"package ‘rattle’ is not available (for R version 2.14.1)"
It is available for R 3.0.0. It looks like you were running 2.14.1 when
you tried t
On Mon, Apr 22, 2013 at 9:54 AM, Rui Barradas wrote:
> Hello,
>
> If stock prices are daily data, use frequency = 1.
>
Err, maybe...
The frequency attribute for a "ts" class time series is somewhat
subtle. It's the amount of observations per seasonal period / relevant
cycle, where relevant is a
Hello,
You've not Cc'ed the list
If you keep the discussion on the list, you'll have more and better
answers. See the post by Michael Weylandt for a more complete answer to
your question.
Rui Barradas
Em 22-04-2013 12:16, Lizhu Ren escreveu:
> thanks for u replying，
> i think in setting frequenc
In quantreg if you do
FAQ()
item 4 is:
4. [R^2] "I am currently trying to caculate the coefficient of determination
for
different quantile regression models. For example, how do you calculate
the the sum of the weighted absolute deviations in the models ..."
R-squared is evil,
Hello R users,
For the last few days I am struggling with the following task:
my data.frame:
A1A2A3 B1 B2
B3
58.81 53.292 54.501 13.013 17.39 19.407 56.02 56.251 54.033 20.099 13.15
10.411 55.376 53.099 57.625 13.396 21.031 13
hello
I work on
the probabilities of bivariate normal distribution. I need
integrate  the
following function.
f (x, y) = exp [- (x ^ 2 + y ^ 2 + x * y)] with - â ⤠x â¤
7.44 and - â ⤠y ⤠1.44  , either software R or  matlab Version R
2009a
Thank you
for helping me
Regards
On Mon, Apr 22, 2013 at 2:04 PM, Hicham Mezouara wrote:
> hello
> I work on
> the probabilities of bivariate normal distribution. I need
> integrate the
> following function.
> f (x, y) = exp [- (x ^ 2 + y ^ 2 + x * y)] with - ∞ ≤ x ≤
> 7.44 and - ∞ ≤ y ≤ 1.44 , either software R or matlab Ver
Dear Rxperts,
Apologize for posting it to a wrong thread..Hence, the re-post...
I am trying to use pdflatex from Hmisc, I get the error message. "pdflatex
is not available"... The version of Hmisc is the latest one (got the
warning that it was compiled under R version 2.15.3) .
The version of R o
On 22/04/2013 10:34 AM, Santosh wrote:
Dear Rxperts,
Apologize for posting it to a wrong thread..Hence, the re-post...
I am trying to use pdflatex from Hmisc, I get the error message. "pdflatex
is not available"... The version of Hmisc is the latest one (got the
warning that it was compiled unde
Hi all,
Do nnet, neuralnet or RSNNS implemented any kind of sensitivity analysis?
Best Wishes,
--
Prof. Gilson Correia de Carvalho, M.Sc.
Pesquisador Associado
Laboratório de Ecologia Bentônica - LEB
Instituto de Biologia - UFBA
Universidade
Dear All,
I hope this is not too off topic.
I am given a set of scatteplots (nothing too fancy; think about a
normal x-y 2D plot).
I do not deal with two time series (indeed I have no info about time).
If I call A=(A1,A2,...) and B=(B1, B2, ...) the 2 variables (two
vectors of numbers most of the c
On 22-04-2013, at 15:04, Hicham Mezouara wrote:
>
> hello
> I work on
> the probabilities of bivariate normal distribution. I need
> integrate the
> following function.
> f (x, y) = exp [- (x ^ 2 + y ^ 2 + x * y)] with - ∞ ≤ x ≤
> 7.44 and - ∞ ≤ y ≤ 1.44 , either software R or matlab Versio
On 22/04/2013 10:48 AM, Lorenzo Isella wrote:
Dear All,
I hope this is not too off topic.
I am given a set of scatteplots (nothing too fancy; think about a
normal x-y 2D plot).
I do not deal with two time series (indeed I have no info about time).
If I call A=(A1,A2,...) and B=(B1, B2, ...) the 2
On Mon, Apr 22, 2013 at 3:48 PM, Lorenzo Isella
wrote:
> Dear All,
> I hope this is not too off topic.
> I am given a set of scatteplots (nothing too fancy; think about a
> normal x-y 2D plot).
> I do not deal with two time series (indeed I have no info about time).
> If I call A=(A1,A2,...) and B
On 4/22/2013 9:48 AM, Lorenzo Isella wrote:
Dear All,
I hope this is not too off topic.
I am given a set of scatteplots (nothing too fancy; think about a
normal x-y 2D plot).
I do not deal with two time series (indeed I have no info about time).
If I call A=(A1,A2,...) and B=(B1, B2, ...) the 2 v
You could save the space required to store the inverse of A by repeating
solve(A,column)
for each column of an identity matrix the size of A, and store just the
relevant element
of the result. E.g.,
> diag(solve(A))
[1] 0.39576620 0.12064108 0.20705171 0.10067892 0.03191425 0.05857497
0.107494
Hi Milan and Max,
Thanks for your most recent replies. I wasn't able to sucessfully implement any
of your proposed solutions, but am not overly worried about it. For example, I
found that I could not get the Greek letter chi into my table footnotes via
odfCat using unicode or escape codes (I t
Hi all,
Do nnet, neuralnet or RSNNS implemented any kind of sensitivity analysis?
Best Wishes,
Em 22 de abril de 2013 11:46, Gilson Carvalho escreveu:
> Hi all,
>
> Do nnet, neuralnet or RSNNS implemented any kind of sensitivity analysis?
>
> Best Wishes,
>
> --
> Prof. Gilson Correia de Carva
Hi Bruce,
I work with a lot of similar data and have to do these types of things quite
often. I find it helps to keep to vectorized code as much as possible. That
is, do as many of the calculations as possible outside of the aggregation code.
Here's one way:
library(reshape2)
# stick to a v
Jim Lemon showed one option of keeping a list of the files that have
already been processed and comparing to this list to see which files are
new. Here are a couple of other possibilities:
You could move a file from the input folder to an archive folder after
processing it (file.rename or system
Hi Bruce,
>From your excel sheets, it looks like for the step1, you were just taking only
>the "Survey Time" of the first rows of unique Start_Day for each
>Location_name.
Step2 results looks the same as "res2"
If this is the case:
dat1<-
read.csv("Sample_all_3_locations.csv",header=TRUE,str
Hi Bruce,
This could be also done by:
dat1<-
read.csv("Sample_all_3_locations.csv",header=TRUE,stringsAsFactors=FALSE,sep=",")
library(plyr)
res1<-ddply(unique(dat1[,c(1,3:4)]),.(Location_name),summarize,Survey_Time=sum(Survey_Time))
#changed here
res1
# Location_name Survey_Time
#1 1_f3p1_
I want to show counts value on stacked bar chart in ggplot2. I found
similar question here
http://stackoverflow.com/questions/6644997/showing-data-values-on-stacked-bar-chart-in-ggplot2
but that one shows value instead of counts.
My data frame(dat1) is sth like this:
Group Length Width
1
On Mon, 22 Apr 2013 17:27:05 +0200, Robert Baer wrote:
It strikes me that this is not a particularly productive approach to
causality, particularly in an observational setting. You would need to
design an experiment where you had a known manipulation of an
explanatory variable and studie
Dear expeRts!
Thanks for suggestions about getting MiKTeX... I have that installed.. The
Sys.getenv("PATH") also reflects the path of "pdflatex"..
I noticed that the function creates ".dvi", ".aux" files in the "current
working directory but looks for these files in Sys.getenv("TEMP") folder.
Is t
Inline.
On Mon, Apr 22, 2013 at 1:15 PM, Lorenzo Isella
wrote:
> On Mon, 22 Apr 2013 17:27:05 +0200, Robert Baer wrote:
>
>
>> It strikes me that this is not a particularly productive approach to
>> causality, particularly in an observational setting. You would need to
>> design an experiment
Hello,
I want to leave pwd blank (to comply w/ company security protocol) and just be
prompted by the driver-specific data source dialog box to enter the password
after. But for some reason it is not working.
R Version: "R version 2.15.1 (2012-06-22)"
R Studio Version: 0.97.312
OS: Windows 7
Nevertheless, some people try:
http://www.kaggle.com/c/cause-effect-pairs
Joerg
On Mon, Apr 22, 2013 at 4:31 PM, Bert Gunter wrote:
> Inline.
>
>
> On Mon, Apr 22, 2013 at 1:15 PM, Lorenzo Isella
> wrote:
>> On Mon, 22 Apr 2013 17:27:05 +0200, Robert Baer wrote:
>>
>>
>>> It strikes me that
Daniel,
Thanks for letting me know.
I'll try it w/o Rstudio if needed.
Thanks.
Dan
-Original Message-
From: Daniel J. Robertson [mailto:dj...@cornell.edu]
Sent: Monday, April 22, 2013 1:51 PM
To: Lopez, Dan; R help (r-help@r-project.org)
Subject: RE: [R] RODBC --How do you set up the c
I am having a problem with loading R on my 64 bit computer. It used to
load perfectly until I upgraded to R 3.0.0 now it takes about 10 to even 20
minutes ? Does anyone know how to remedy this problem?
Russell " Skip" Barbour Ph.D.
Associate Director for Statistics
Center for Interdis
Hi,
May be this helps:
vec<- "this is a nice text with nice characters"
library(stringr)
vec2<-unlist(str_match_all(vec,"\\w+"))
#or
# vec2<-str_split(vec," ")[[1]]
res<-unique(lapply(vec2,function(x) which(!is.na(match(vec2,x)
names(res)<- unique(vec2)
res
#$this
#[1] 1
#
#$is
#[1] 2
#
#$
The password window popup apparently doesn't yet work with RStudio:
e.g.,
http://support.rstudio.org/help/discussions/problems/4371-rodbc-connection-issue
--
Daniel Robertson
Senior Research and Planning Associate
Institutional Research and Planning
Cornell University / irp.cornell.edu
-O
Hello,
I am trying to do a fit a loglikelihood function with Multivariate
distribution via copulas with fitMdvc. The problem is that it
doesn't recognize that my beta is a vector of km parameter and when I try
to run it it say that the length of my initial values is not the same as
the parameter.
I can't understand what is happening. This is the code and results:
> agoa <- read.table(file =
>"C:/Users/HTPC/Documents/_Documents/Research/WithDidia/AGOAUSImports.txt",
>header = T, sep = "\t", dec = ".", na.strings = "NA", stringsAsFactors = T)#
> str(agoa); names(agoa)
'data.frame':10
Mike,
You need
subset(agoa, agoa$X.1 == "AGOA ")
instead of
subset(agoa, agoa$X.1 == "AGOA")
(note the space after the last A in "AGOA".
HTH,
Jorge.-
On Tue, Apr 23, 2013 at 7:14 AM, Mihai Nica wrote:
> I can't understand what is happening. This is the code and results:
>
> > agoa <- read
Fortune nomination.
cheers,
Rolf
On 23/04/13 08:31, Bert Gunter wrote:
(In response to a question about inferring causality from
observational data.)
As others have said:
(Short answer) No.
(Long Answer) Don't be ridiculous.
_
See
bayes.cs.ucla.edu/jp_home.html
for interesting insights
-Original Message-
From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] On
Behalf Of Rolf Turner
Sent: Monday, April 22, 2013 4:52 PM
To: Bert Gunter
Cc: r-h...@stat.math.ethz.ch; Achim Zeileis
Subject: R
On Apr 22, 2013, at 21:15, "Barbour, Russell" wrote:
> I am having a problem with loading R on my 64 bit computer. It used to
> load perfectly until I upgraded to R 3.0.0 now it takes about 10 to even
> 20 minutes ? Does anyone know how to remedy this problem?
>
OS and install inf
On Mon, Apr 22, 2013 at 1:15 PM, Barbour, Russell
wrote:
> I am having a problem with loading R on my 64 bit computer. It used to
> load perfectly until I upgraded to R 3.0.0 now it takes about 10 to even
> 20 minutes ? Does anyone know how to remedy this problem?
Did R-3.0.0 ever loa
HI,
Could you provide an example dataset?
set.seed(15)
agoa<- data.frame(X.1=rep(c("AGOA","GSP","CST"),3),X1996=
sample(1:2,9,replace=TRUE),X2000=sample(40:3,9,replace=TRUE))
str(agoa)
#'data.frame': 9 obs. of 3 variables:
# $ X.1 : Factor w/ 3 levels "AGOA","CST","GSP": 1 3 2 1 3 2
Hi,
Just noticed that there is a space after "Angola "
$ X : Factor w/ 39 levels "Angola ",
If that is the case:
set.seed(15)
agoa<- data.frame(X.1=rep(c("AGOA ","GSP","CST"),3),X1996=
sample(1:2,9,replace=TRUE),X2000=sample(40:3,9,replace=TRUE))
subset(agoa,X.1=="AGOA")
#[1] X.1
Dear group,
I want to generate a vector of 10 elements that always has 20% zeroes, but with
a random ordering of zeroes and ones. Can you please suggest a function to do
that in R? I tried 'sample' function but the 20% zeros was not always
guaranteed.
Thanks for your help.
Regards,
Ayyappa
On Mon, Apr 22, 2013 at 7:21 PM, Ayyappa wrote:
> Dear group,
>
> I want to generate a vector of 10 elements that always has 20% zeroes, but
> with a random ordering of zeroes and ones. Can you please suggest a function
> to do that in R? I tried 'sample' function but the 20% zeros was not alway
On Apr 22, 2013, at 6:21 PM, Ayyappa wrote:
> Dear group,
>
> I want to generate a vector of 10 elements that always has 20% zeroes, but
> with a random ordering of zeroes and ones. Can you please suggest a function
> to do that in R? I tried 'sample' function but the 20% zeros was not always
On Apr 22, 2013, at 6:28 PM, Marc Schwartz wrote:
> On Apr 22, 2013, at 6:21 PM, Ayyappa wrote:
>
>> Dear group,
>>
>> I want to generate a vector of 10 elements that always has 20% zeroes, but
>> with a random ordering of zeroes and ones. Can you please suggest a function
>> to do that in
Thanks Arun,
Jorge,s idea worked... I can't believe I lost so much time with this...
Â
mike
>
> From:arun
>To: Mihai Nica
>Cc: R help
>Sent: Monday, April 22, 2013 4:57 PM
>Subject:Re: [R] subset dataframe
>
>
>HI,
>Could you provide an example dataset?
>
Dear Rxperts..
The problem of latex looking for "tex" and "dvi" files in a "TEMP" folder
still persists. As a work around, I changed the options..
options(latexcmd="pdflatex",dviExtension="pdf")
After the above change,
latex(,file="a1")
seems to work but the resulting pdf file is something
Dear Rxperts,
q <- data.frame(p=rep(c("A","B"),each=10,len=30),
a=rep(c(1,2,3),each=10),id=seq(30),
b=round(runif(30,10,20)),
c=round(runif(30,40,70)))
The operation below...
tabular(((p=factor(p))*(a=factor(a))+1) ~ (N = 1) + (b + c)*
(mean+sd),data=q)
yields some rows of NAs and NaN as shown belo
Hi All,
Does anyone know if there is an implementation of the G-function in R.
If so please let me know (could not find this on google).
Thanks,
Sachin
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On Apr 22, 2013, at 5:49 PM, Santosh wrote:
> Dear Rxperts,
> q <- data.frame(p=rep(c("A","B"),each=10,len=30),
> a=rep(c(1,2,3),each=10),id=seq(30),
> b=round(runif(30,10,20)),
> c=round(runif(30,40,70)))
> The operation below...
> tabular(((p=factor(p))*(a=factor(a))+1) ~ (N = 1) + (b + c)*
> (
Dear R users/developers
I requested help to solve the problem of formulating Multivariate Sample
selection model by using Full Information Maximum Likelihood
(FIML)estimation method. I could not get any response. I formulated the
following code of FIML to analyse univariate sample selection proble
This is dangerously close to a statistics theory question, which would be
off-topic on this list. In any event, your example is definitely not
reproducible (no sample data) [1]. Now might also be a good opportunity for you
to read the Posting Guide mentioned at the bottom of every message on thi
Hi
I have come late to the discussion
how about trying
? texi2dvi
for pdf or dvi eg
texi2dvi("D:/Cic/Sweave/Figs/Sheep3/FS/15/sFSheepFS15.tex", pdf =
TRUE, clean = TRUE)
Version
R version 3.0.0 (2013-04-03), i386-w64-mingw32
Win 7
I made an environmental variable for Miktex in Windows or it
Dear R forum,
I have a data.frame as given below:
df = data.frame(tran = c("tran1", "tran2", "tran3", "tran4"), tenor = c("2w",
"1m", "7m", "3m"))
Also, I define
libor_tenor_labels = as.character(c("o_n", "1w", "2w",
"1m", "2m", "3m", "4m", "5m", "6m", "7m", "8m", "9m", "10m", "11m",
"12m"
Dear R forum,
Please refer to my query regarding "Error with function". I forgot to mention
that I am using "plyr" library.
Sorry for inconvenience.
Regards
Katherine
--- On Tue, 23/4/13, Katherine Gobin wrote:
From: Katherine Gobin
Subject: [R] Error with function
To: r-help@r-project.
Hi,
I have two questions on the function "readNamedRegionFromFile" in
XLConnect pacakge.
1.
In the documentation,
# multiregion xlsx file from demoFiles subfolder of package XLConnect
demoExcelFile <- system.file("demoFiles/multiregion.xlsx",
package = "XLConn
Dear R forum
Please refer to my query captioned Error with function.
I had missed in bracket ")" in the return statement and hence I was getting the
error. I has struggled for more than 2 hours to find out the problem and only
then has posted to the forum. I sincerely apologize to all for consu
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