Hello Vijayan,
Depending on your end goal the following could possibly help
substr(string,nchar(string1)+1, nchar(string))
or
strsplit(string," ")
HTH,
Santosh
On Sat, Jun 18, 2011 at 2:06 PM, Vijayan Padmanabhan
wrote:
> Dear R Group
> Here is what i am trying to do.. but couldnt figure ou
You question has multiple answers that you can choose from and the group has
been trying to help you.
My suggestion would be to write it to the database using PHP and use R to
extract and analyze (and write back) the data.
The integration of R with web functionality is quite nascent but the Rapac
Hello cmaster1331,
I had asked a similar question sometime back. You may want to check out
these responses that I got.
A) http://code.google.com/p/gridextra/wiki/tableGrob
B)
1) latex (via xtable, Hmisc, r2lh, reporttools ...)
2) html (via xtable, r2lh, R2HTML, hwritter, HTMLUtils ...)
3) graphi
Check data.table ... It benefits a lot from indexing data in data frames
On Thu, May 19, 2011 at 7:41 PM, xiagao1982 wrote:
> Hi all,
>
> I wonder if I can create indexes for columns in a data frame to speed up data
> selection by matching column values, just like indexes for large tables in a
Hi Ivan, Take a look dataFrame in R.utils ... is that what you want?
from the help file:
Examples
df <- dataFrame(colClasses=c(a="integer", b="double"), nrow=10)
df[,1] <- sample(1:nrow(df))
df[,2] <- rnorm(nrow(df))
print(df)
Thanks,
Santosh
On Mon, May 16, 2011 at 1:42 PM, Ivan Calan
Dear Group,
Is there a more efficient way to create a data frame structure (using rep I
guess?)
require(plyr)
week <- rdply(10, data.frame(week = 1:52))
names(week) <- c("Year", "Week")
week$Year <- week$Year + 2000
Basically trying to create a year and week data frame to start appending
data t
would this work (shorter)?
apply(a, 1, function(x) x[order(x)[2]])
On Tue, Apr 26, 2011 at 5:31 PM, Lars Bishop wrote:
> Hi,
>
> I need to extract the second largest element from each row of a
> matrix. Below is my solution, but I think there should be a more efficient
> way to accomplish the s
Thanks.
On Tue, Apr 19, 2011 at 5:16 PM, Gabor Grothendieck
wrote:
> On Tue, Apr 19, 2011 at 6:59 AM, santosh wrote:
>> Dear Group,
>>
>> I am doing an apply function on a zoo object. I need the rownames to
>> be passed to the function.
>> Any suggestions on how to accomplish this?
>>
>> Here is
Hi Group,
I often need to print out data frames with results of analysis into a
neat little image to copy and paste into documents. I need apply
formatting like bold, currency signs, number formats, header shading
etc.
I currently output the data into csv and format using good old excel.
Any sugg
Sender: r-help-boun...@r-project.org
On-Behalf-Of: santosh.srini...@gmail.com
Subject: [R] Flexible rbind
Message-Id:
Recipient: killian.door...@barclayscapital.com
___
e at 1 Churchill Place, London, E14 5HP. This email may relate to or be sent
fr
Sender: r-help-boun...@r-project.org
On-Behalf-Of: santosh.srini...@gmail.com
Subject: [R] Flexible rbind
Message-Id:
Recipient: simon.r...@barclayscapital.com
___
e at 1 Churchill Place, London, E14 5HP. This email may relate to or be sent
from ot
Dear All,
I am trying to create a empty structure that I want to fill gradually
through the code.
I want to use something like rbind to create the basic structure first.
I am looking for a possibility to do an rbind where the columns names
dont match fully (but the missing columns can be defaulte
reshape2 Like this?
> require(reshape2)
Loading required package: reshape2
> melt(xx)
Using country as id variables
country variable value
1 USAx10
2 UKx50
3 Canadax20
4 USAy40
5 UKy80
6 Canaday35
7 U
for excel .. see library(xlsx)
On Tue, Mar 1, 2011 at 2:57 PM, JoonGi wrote:
>
> Thanks in advance.
>
> I'm having a trouble with data saving.
>
> I want to run the same data which is in Ecdat library at different statistic
> programs(excel, stata and matlab)
>
> The data I want to use is
>
> lib
Hi Group,
I am having a strange problem for this simple task.
I am using read.table to read a plan 3 column CSV file . the file is getting
read .
But the first column has datetime in the csv file in the following format:
20110221.114041
But this is being read as 20110221 only . the tim
?subset
On Mon, Feb 7, 2011 at 7:46 AM, Christopher Porter wrote:
> Hello. I came across your response in an R forum and could use your help. I
> have a data set with 472 rows. I want to delete rows 416 through 472. The
> name of my data set is MERGE.
>
> I am an extreme R novice. How do I writ
Please take a look at the introduction to R too ...
> df <- read.delim(textConnection(Lines),sep="")
> df
A B CD
1 0.1 0.7 0.9 0.80
2 0.2 0.6 0.8 0.70
3 0.4 0.8 0.7 0.76
> d['A-B'] <- with(df, A-B)
Error in d["A-B"] <- with(df, A - B) : object 'd' not found
> d$v1 <- with(df, A-B)
Erro
Hi Marc,
I've exactly the same question and it looks like most of the heavy users
from the threads I've followed use Unix/Linux/Mac.
Some threads have given rationale for a 64bit system due to memory benefits
but there seems to be not much buy-in from the guys here (so I'd give that a
pass). The C
tcc.new2 <- droplevels(tcc.new)
-Original Message-
From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] On
Behalf Of Ben Harrison
Sent: 19 January 2011 12:24
To: r-help@r-project.org
Subject: [R] Using subset to filter data table
I am having difficulty understanding ho
Hello,
Just wondering why I am unable to run this in parallel.
A dput of my dataset is attached at the end. Please use to create my data
object.
I want to run this function in parallel (not sure if this is an efficient
implementation):
#Function to calculate the time to maturity for the option
r
2011 18:59
To: Santosh Srinivas
Cc: r-help@r-project.org
Subject: Re: [R] Basic ggplot question
Hi,
Try this,
m = melt(dat, id="Date")
head(m)
qplot(Date, value, data=m, colour=variable, geom="line")
ggplot(m) + facet_grid(variable~., scales="free_y") +
geom_path
Hello R-Group,
I am trying plotting simple time-series with ggplot2 because the output
looks better and I've heard its richer in features.
I have the following dataset.
> dput(dat)
structure(list(Date = structure(c(14970, 14971, 14972, 14973,
14974, 14977, 14978, 14979, 14980, 14981), class = "D
;
> -Original Message-
> From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org]
> On Behalf Of Santosh Srinivas
> Sent: Saturday, December 11, 2010 8:37 AM
> To: r-help@r-project.org
> Subject: [R] Rapache on windows
>
> Hello all,
>
> I sear
Hello,
I am trying to use RJSONIO
I have:
x <- c(0,4,8,9)
y <- c(3,8,5,13)
z <- cbind(x,y)
Any idea how to convert z into the JSON format below?
I want to get the following JSON output to put into a php file.
[[0, 3], [4, 8], [8, 5], [9, 13]]
Thank you.
__
Just wondering if there is a better way to do this?
x <- seq(4,20,1)
y <- sapply(x, function(x) (max(x-10,0)))
Is there a easier way to get to y? i.e. max(x-10,0)
__
R-help@r-project.org mailing list
https://stat.ethz.ch/mailman/listinfo/r-help
PLEAS
Hello all,
I searched on the www but could not find installation instructution for
rapache on windows. The page says that the release runs on UNIX/Linux and
Mac OS X operating systems.
Has anyone been able to configure it on windows? Any idea how to go about
it?
Thank you.
__
Try this
male.df <- subset(raceprofiling, (male==1))
female.df <- subset(raceprofiling, (male==0))
people.df <- rbind(male.df,female.df)
works?
-Original Message-
From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] On
Behalf Of tanzia chaudhury
Sent: 09 December 2010
Why 2.8? You should perhaps go for 2.12 ... I like 2.11 right now
because most of my work has been tested on it already and it is quite
stable with other packages.
But, the ideally you should go for 2.12 which is the most recent
release and has substantial enhancements.
Then you should post the e
osh Srinivas
Cc: r-help@r-project.org
Subject: Re: [R] Time out for a R Function
On Tue, 7 Dec 2010, Santosh Srinivas wrote:
> Hello Group,
>
> I have an R-function that works fine for most part but sometime runs into
a
> long loop! (I'm lazy and short on time to debug right now so wa
your question is not clear to me .. but your solution is a variation of
> data1$x.1 <- data1$x1 %in% data2$y1
you can play with your conditions to get the result you want
On Tue, Dec 7, 2010 at 10:00 PM, Pete Pete wrote:
>
> Hi,
> consider the following two dataframes:
> x1=c("232","3454","3455
Hello Group,
I have an R-function that works fine for most part but sometime runs into a
long loop! (I'm lazy and short on time to debug right now so want to do
something easy)
For my purpose, it is ok to make few errors is there a way I can put a
timeout on a function and the r-process neede
unique(c(x,y))
On Sun, Dec 5, 2010 at 8:27 PM, ram basnet wrote:
> Dear R users,
>
> It may be very simple but it is being difficult for me.
> I have two vectors with some common string. And, i want to combine into a
> vector in such a way that it includes string from both vectors and make a
>
Hello Group,
I am experimenting with parallel processing ... here is part of my code.
require(snow)
require(doSNOW)
require(foreach)
cl.tmp = makeCluster(rep("localhost",4), type="SOCK")
registerDoSNOW(cl.tmp)
foreach(i=1:NROW(sDat),.packages="gdata",.verbose=TRUE) %dopar% {
do somethin
I am trying to find the function where I can search for a pattern in a
text string (I thought I could use grep for this but no :().
> x
[1] "abcdefghijkl"
I want to find the positions (i.e. equivalent of nchar) for "cd" and
in case there are multiple hits .. then the results as a array
Thank you
Hello Group,
I need a modification in the data.table example to get my intended
result shown below ... is there a more simple way!
dt <- data.table(A = rep(1:3, each=4), B = rep(1:4, each=3), C = rep(1:2, 6))
dt[, transform(.SD,D=mean(A)), by="B"]
The result I want is below ... which is probabl
I'm trying to read intraday zoo but running into issues (again) ...
what am I missing here? (the date doesn't seem to read in correctly)
> head(dat)
TrdDate TrdTime impliedVol
1 20090102 09:55:03 0.3610715
2 20090102 09:55:04 0.3637943
3 20090102 09:55:05 0.3752375
4 20090102 09:55:05 0.41
Hello Group,
Is there an easy way to query a data.frame or data.table (this is
fast!) for multiple conditions?
I don't want to use a SQL kind of statement.
I am looking for something like a subset with multiple conditions.
Any tips of the like the binary search methodology used for data.table
wo
try this ..
df[,colnames(df)==paste("A","C",sep="")]
On Fri, Dec 3, 2010 at 12:05 PM, Yuan Jian wrote:
> Hello,
>
> I tried to use a variable to refer colname, but I got error, could anyone
> give me advice?
>
>>df=data.frame(cbind(AB=1:3,AC=3:5))
>> df$AC
> [1] 3 4 5
>> df$paste("A","C",sep=""
Thanks. I guess I had to wait long enough to get the threads running
and now they seem be on top gear.
Hope this thing doesn't crash now!
On Thu, Dec 2, 2010 at 3:36 PM, Rainer M Krug wrote:
> -BEGIN PGP SIGNED MESSAGE-
> Hash: SHA1
>
> On 12/02/2010 10:56 AM, Santo
Hello group,
I am experimenting with parallel processing on my quad core Win 7 32
bit machine. Using these packages for the first time.
I can see all my processor running at full performance when I use a
smaller dataset
require(snow)
require(doSNOW)
require(foreach)
#change the 8 to however many
Hello R-helpers,
A fundamental question ...I'm trying to understand the differences
between loop and vectorization ... I understand that it should be a
natural choice to use apply / adply when it is needed to perform the
same function across all rows of a data frame.
Any pointers on why this is so
To: santosh.srini...@gmail.com
From: e...@debian.org
CC: r-help@r-project.org
Subject: Re: [R] Installing RQuantLib on Win 7 64 Bit
On 26 November 2010 at 07:05, Santosh Srinivas wrote:
| Hello Group,
|
| I am trying out RQuantLib on a 64bit Win 7 machine. But running
into
| installation errors
Hello Group,
I am trying out RQuantLib on a 64bit Win 7 machine. But running into
installation errors
install.packages("RQuantLib")
Warning in install.packages("RQuantLib") :
argument 'lib' is missing: using
'C:\Users\Tester\Documents/R/win64-library/2.11'
Warning: unable to access index for r
Hello Group,
I have the following options and future data in zoo objects
> head(optData.z)
ExpDt OptTyp Strike TrdPrice TotTrdQty
2009-01-01 09:55:03 20090129 1 2900 180.50
2009-01-01 09:55:31 20090129 1 2900 188.50
2009-01-01 09:55:37
[mailto:ggrothendi...@gmail.com]
Sent: 23 November 2010 21:54
To: Santosh Srinivas
Cc: r-help@r-project.org
Subject: Re: [R] Finding the rows with the duplicated index
On Tue, Nov 23, 2010 at 11:04 AM, Santosh Srinivas
wrote:
> Hello Group,
>
> I have a huge time series dataset with sample be
Hello Group,
I have a huge time series dataset with sample below. I am basically trying
to read it into a zoo object with columns 1:6 to index. Zoo issues a warning
that some of the rows have duplicated index.
dput(z)
structure(list(TrdTimestamp = structure(list(sec = c(19, 19,
18, 10, 12, 43, 4
Hello R-Helpers,
I have a directory with some ".R" files that I execute every day.
I want to write a script that executes each one of time sequentially.
Is there a statement for this?
Thank you.
__
R-help@r-project.org mailing list
https://stat.ethz.c
Hello,
I am trying to recursively append some data from multiple files into a
common object
For this, I am using in a loop
NewObject <- rbind(NewObject,tempObject)
For the first loop, obviously there is no NewObject ... so I wanted to do
NewObject <- tempObject[0,]
Now when it loops again I w
Not many really care about what it is called but here is what the page
says
R is `GNU S', a freely available language and environment for statistical
computing and graphics which provides a wide variety of statistical and
graphical techniques: linear and nonlinear modelling, statistical test
Hello group,
I have a data frame called test.df with a bunch of columns.
When I do a print(test.df), I want the numbers to appear a pre-defined
setting.
I believe this can be achieved by sprintf but this needs to be done
individually for the data.
However, is there an option that I can set so
Hello Group,
I am trying to see if there is way to access data that is inside another
namespace.
For e.g. the addATR function in the quantmod package calculates the ATR
using the TTR package and then plots it to the graph.
Now since it has already calculated the info that I need, can I access tha
Hello Group,
Is it possible to access DDE data from R?
Thanks in advance for any pointers.
S
__
R-help@r-project.org mailing list
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
I could do that but will have to change all my code.
It would be great if I could get RMySQL on the 64 bit machine.
-Original Message-
From: Ajay Ohri [mailto:ohri2...@gmail.com]
Sent: 13 November 2010 14:13
To: Santosh Srinivas
Cc: r-help@r-project.org
Subject: Re: [R] RMySQL on
Dear Group,
I'm having lots of problems getting RMySQL on a 64 bit machine. I followed
all instructions available but couldn't get it working yet! Please help.
See the output below.
I did a install of RMySQL binary from the revolution cran source. It seems
to have unpacked fine but gives this err
You could just create a new data frame with the result and cbind?
On Fri, Nov 12, 2010 at 2:11 PM, albechan wrote:
>
> I have a data frame with three columns. The first one is filled with factors,
> the second one with numeric values and the third one is an empty vector.
> I need fill the third c
Dear Group,
Is there some way for me to package a few lines of R-code as exe and have it
running in the background? (unable to find info in the archives)
Even better if I can package it as an installation and send to my team who
do not have any background in programming / R? If they can install a
Hi Group,
Is there something like a delay function based on System time or equivalent?
I basically am generating a few graphs and I would like to see each graph
for say 2mins before moving on to the next one?
I can always have an empty for-loop I guess but is there a better way?
Thanks,
S
_
My parallel code is running slower than my non-parallel code! Can someone
pls advise what am I doing wrong here?
t and tTA are simple matrices of equal dimensions.
#NON PARALLEL CODE
nCols=ncol(t)
nRows=nrow(t)
tTA = matrix(nrow=nRows,ncol=nCols)
require(TTR)
system.time(
for (i in 1:nCols) {
Basic question ... checked the help page but the only answer was to use
paste!
Is there any way to format as %?
> degree = c(0.20,0.5)
> degree
[1] 0.2 0.5
> print(degree)
[1] 0.2 0.5
--
Thanks R-
You could use the following to achieve your objective. To start with
?readLines
?strsplit
?for
?ifelse
As you try, you may receive more specific answers for the issues you come up
with.
-Original Message-
From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] On
Behalf
Try on these lines
library(MASS)
data(Boston)
Boston$crim<-paste(Boston$crim,"Test",sep="-")
-Original Message-
From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] On
Behalf Of sachinthaka.abeyward...@allianz.com.au
Sent: 10 November 2010 10:39
To: R-help Forum
Subject
Not sure if this is the best way ... but something similar to my question
from yesterday that I could solve as follows.
> tD <- read.csv("Book1.csv")
> tD
X0 X0.1 X1 X1.1 X X.1
1 13 5 NA NA NA
2 44 NA NA NA NA
3 7 -1 89 10 6
> x1 <- tD[1,1:3]
>
> x2 <- tD[2,1:2]
>
>
Figured this out this ways I think
outPut <- list(list(result1),list(result2))
-Original Message-
From: Santosh Srinivas [mailto:santosh.srini...@gmail.com]
Sent: 09 November 2010 14:21
To: 'r-help@r-project.org'
Subject: Creating a list to store output objects from a r
Dear Group,
I am having a function that I am running in a loop that generated two
results for each loop
The result1 is a zoo object
The result2 is a data frame
Now I want to put both of them in a list or some structure ... that I can
access or output to a file after the loop is done.
For e.g.
Thanks this works. Only, I need to reference in the formula using indexes.
-Original Message-
From: Dimitris Rizopoulos [mailto:d.rizopou...@erasmusmc.nl]
Sent: 09 November 2010 13:22
To: Santosh Srinivas
Cc: r-help@r-project.org
Subject: Re: [R] Row-wise recurive function call
try
Dear Group,
I have a following dataset:
> a
A B C D
1 22 3 31 40
2 26 31 36 32
3 3 7 49 16
4 24 40 27 26
5 20 45 47 0
6 34 43 11 18
7 48 48 24 2
8 3 16 39 48
9 20 49 7 21
10 17 36 47 10
> dput(a)
structure(list(A = c(22L, 26L, 3L, 24L, 20L, 34L, 48L, 3L, 20L,
17L), B = c(3
index(mRet),"%m")==11]
-Original Message-
From: Gabor Grothendieck [mailto:ggrothendi...@gmail.com]
Sent: 05 November 2010 20:59
To: Santosh Srinivas
Cc: r-help@r-project.org
Subject: Re: [R] Extracting data only for particular index values from a zoo
structure
On Fri, Nov
Hello All,
I have a zoo structure as follows:
> dput(tMRet)
structure(c(0.00138742474397713, -0.0309023681475112, 0.0390276302410908,
0.0832282874685357, -0.00315002033871414, -0.0158548785709138,
-0.0410876001496389, -0.0503189291168807, 0.00229628598547049,
0.112348434473647, 0.07600046962546
I dont have the implementation in the way you want it
. Sorry
but
someone here will definitely know
The group showed me to do it this way though
.
library(zoo)
library("RCurl")
sNiftyURL =
"http://nseindia.com/content/indices/histdata/S&P%20CNX%20NIFTY01-01-2000-02
-11-2010.csv"
Nifty_Dat =
Thanks Barry ... actually the intention was to have areas of the circle
depicting the value (radius imputed)
-Original Message-
From: b.rowling...@googlemail.com [mailto:b.rowling...@googlemail.com] On
Behalf Of Barry Rowlingson
Sent: 03 November 2010 15:02
To: Santosh Srinivas
Cc: r-help
Dear Group,
Need to do the following transformation:
I have the dataset
structure(list(Date = structure(1L, .Label = "2010-06-16", class =
"factor"),
ACC.returns1Day = -0.018524832, ACC.returns5Day = 0.000863931,
ACC.returns7Day = -0.019795222, BCC.returns1Day = -0.009861859,
BCC.r
- rownames(tData)
tData.m <- melt(tData)
# need to find a way to adjust the color for -ve values
balloonplot(tData.m$Period,tData.m$variable,abs(tData.m$value))
-Original Message-
From: Gabor Grothendieck [mailto:ggrothendi...@gmail.com]
Sent: 03 November 2010 07:51
To: Santosh Srinivas
Dear Group,
I have the following data matrix which is a timeseries.
> dput(tData)
structure(list(A = c(0.2, 0.13, 0.05, 0.1, 0.02, 0.18, 0.09,
0.06, 0.13), B = c(0.15, 0.06, 0.09, 0.02, 0.03, 0.12, 0.01,
0.15, 0.06), C = c(-0.1, 0, -0.07, -0.06, -0.05, -0.05, -0.06,
-0.08, -0.07), D = c(-0.15,
ly a readHTMLtable from a webpage.
Your solutions works well enough for my purpose ... thanks.
-Original Message-
From: Ivan Calandra [mailto:ivan.calan...@uni-hamburg.de]
Sent: 02 November 2010 22:15
To: Santosh Srinivas
Cc: r-help@r-project.org
Subject: Re: [R] Setting the names of a data.frame
:length(sHeaders)){
names(tData)[i] <- as.character(sHeaders[1,i])
}
Or with lapply:
names(tData) <- unlist(lapply(sHeaders[1, ], FUN=as.character))
HTH,
Ivan
Le 11/2/2010 14:58, Santosh Srinivas a écrit :
> I have tData as below. I need to set the names with the headers from the
>
I have tData as below. I need to set the names with the headers from the
first row in sHeaders
Sorry .. forgot how to set the names from row in another data frame .. pls
advise.
names(tData) = sHeaders[1,] does not work correctly
Also, why doesn't drop.levels(sHeaders) not work?
dput(tData)
str
Take a look at ?merge for doing such join operations. (I believe that should
help)
If you had provided a sample of your datasets using dput, I would have
checked that for you.
-Original Message-
From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] On
Behalf Of song song
Hello Group,
This is an open-ended question.
Quite fascinated by the things I can do and the control I have on my
activities since I started using R.
I basically have been using this for analytical related work off my desktop.
My experience has been quite good and most issues where I need to
inve
voiding writing
it to disk and then reading it back in, e.g.
library(Rcompression)
z = zipArchive(o)
names(z)
read.csv(textConnection(z[[1]]))
D.
On 11/1/10 8:27 AM, Santosh Srinivas wrote:
> It's strange and the internet connection is fine because I am able to get
> data
, e.g.
library(Rcompression)
z = zipArchive(o)
names(z)
read.csv(textConnection(z[[1]]))
D.
On 11/1/10 8:27 AM, Santosh Srinivas wrote:
> It's strange and the internet connection is fine because I am able to get
> data from yahoo.
> This was working till just yest
Sent: 01 November 2010 20:48
To: Duncan Murdoch
Cc: Santosh Srinivas; 'Rhelp'
Subject: Re: [R] File Downloading Problem
On Nov 1, 2010, at 10:41 AM, Duncan Murdoch wrote:
> On 01/11/2010 10:37 AM, Santosh Srinivas wrote:
>> Nope Duncan ... no changes .. the same old way without a
V2010bha
v.csv.zip"
download.file(sURL,"test.zip")
Put the same URL in a browser and it works fine.
-Original Message-
From: Duncan Murdoch [mailto:murdoch.dun...@gmail.com]
Sent: 01 November 2010 19:04
To: Santosh Srinivas
Cc: 'Rhelp'
Subject: Re: [R] File Download
Hi David, Its strange ... when I run this separately it works ... but I when
I do in my function it changes the format.
I just opened it using Notepad.
-Original Message-
From: David Winsemius [mailto:dwinsem...@comcast.net]
Sent: 01 November 2010 19:15
To: Santosh Srinivas
Cc: '
Dear Group,
My code stopped working ... used to work till last week!
sURL <-
"http://www.nseindia.com/content/historical/EQUITIES/2010/NOV/cm01NOV2010bha
v.csv.zip"
> download.file(sURL,"test.zip")
trying URL
'http://www.nseindia.com/content/historical/EQUITIES/2010/NOV/cm01NOV2010bha
v.csv.zip'
Dear Group,
Why does write.csv modify the date format when it write to a file.
I have the following variable Param_Dat:
dput(Param_Dat)
structure(list(Last_Successful_Run = structure(1L, .Label = "30/10/2010",
class = "factor")), .Names = "Last_Successful_Run", class = "data.frame",
row.names =
Dear Group, any idea how I can download the source code for all packages in
Windows 7?
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PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and prov
A more usable problem input would definitely help ... use dput to send a
reproducible sample to the group
Think the below should solve your problem
> read.csv("Book1.csv")
Subject Item Score
1 Subject 1 Item 1 1
2 Subject 1 Item 2 0
3 Subject 1 Item 3 1
4 Subject 2 Item 1 1
Dear Group,
I am looking for ways to use R and Matlab. Doing the data transformations in
R and using the data in Matlab to analyze with some pre-defined scripts.
Any good ways to transfer the data into matlab in its most recent version?
I tried using R.matlab but the writeMat output is not readabl
Dear R-Group,
I am looking for suggestions for the "best" IDE for R. Best is obviously
subjective but I need just the basic features that should function well (and
I looked through the threads already).
- Proper integration with R 2.11.1
- Good key shortcuts ... similar to the R Gui
- Manageabilit
Dear R-group,
I've been able to use the XML package for getting relevant tables from
webpages for my analysis.
I'm stuck with this slightly more interactive problem involving clicking a
link
Fro this link .
http://www.etintelligence.com/etig/et500/et500Ranking.jsp
I want to get the data tabl
I'm having a strange problem with dbWriteTable ... I have the dbWriteTable
inside a batchloop.
dbWriteTable(con,"mutual_funds",tmp_MF_Data_F,append=T,row.names=F) # append
rows to the data table
The data gets updated for the first 3 loops (out of say 100) but then there
is no error a
I'm unable to find the OR operator like other language .. any suggestions?
I want to do If (condition1 OR condition 2){ do something }
Thanks for answering this elementary question.
[[alternative HTML version deleted]]
__
R-help@r-proj
Dear R-helpers ... any thoughts on the below issue ... will help me complete
a small project!
Strange problem with download.file . for non existent URL an empty file is
created but I am not able to delete the without shutting down R
Example:
> download.file("http://test.com/test.txt","test.txt"
Strange problem with download.file . for non existent URL an empty file is
created but I am not able to delete the without shutting down R
Example:
> download.file("http://test.com/test.txt","test.txt";)
trying URL 'http://test.com/test.txt'
Error in download.file("http://test.com/test.txt";, "t
Okay ... now I gotcha ... Thanks
-Original Message-
From: Gabor Grothendieck [mailto:ggrothendi...@gmail.com]
Sent: 18 October 2010 17:19
To: Santosh Srinivas
Cc: r-help@r-project.org
Subject: Re: [R] read.zoo issues
On Mon, Oct 18, 2010 at 4:24 AM, Santosh Srinivas
wrote:
> I
X[1,1] .. first
x[NROW(x),NCOL(x)] for last element and so on
Is this what you need?
-Original Message-
From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] On
Behalf Of Alaios
Sent: 18 October 2010 15:59
To: Rhelp
Subject: [R] Directive for first and last array ar
I am getting problems using read.zoo
I have the following data frame
> head(anlyNiftyDat[,1:10])
TIMESTAMPACC AMBUJACEM AXISBANK BAJAJ-AUTO BHARTIARTL
BHEL BPCL CAIRN CIPLA
1 2010-01-04 00:00:00 913.60106.10 992.101732.05 325.20
2426.10 650.75 285.50 337.55
2 201
Wiley [mailto:jwiley.ps...@gmail.com]
Sent: 18 October 2010 07:47
To: Santosh Srinivas
Cc: r-help@r-project.org
Subject: Re: [R] Basic structure operations doubt
Hi,
The easiest way to get rid of the empty levels is with droplevels().
See ?droplevels for details. It actually has a method for data frames
print(paste("Failed to download:",
paste("CM",sDate1,".zip",sep="")),file = "Failure-Log.txt",append=TRUE,sep="\n")
write(paste("Failed to download:",
paste("CM",sDate1,".zip",sep="&qu
I'm doing these manipulations on the data frame and wondering why does R
have to remember historical data on my operation and not just keep the
needed info.
Probably a basic fundamentals of the way R handles data .. Pls point me to
the manual if possible ..
I have this Index data:
> head(NIFTY_IND
1 - 100 of 125 matches
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