On Sat, Apr 7, 2012 at 3:58 PM, Gabor Grothendieck
ggrothendi...@gmail.com wrote:
On Fri, Apr 6, 2012 at 9:42 PM, help ly help.ly2...@gmail.com wrote:
Dear All,
I would like to make a quadratic with a plateau model in R. Is there a
package in R doing this? The bentcableAR package seems won't
On Sat, Apr 7, 2012 at 5:01 PM, Mark Heckmann mark.heckm...@gmx.de wrote:
Thanks! I'll try to stick to that advice!
Maybe there is a better way... Here is what I want:
I want to save some default settings for a package.
The user can change these using a function similar to par().
I do not
)
should read
x - seq_along(y)
cheers,
Rolf
On 08/04/12 10:08, Gabor Grothendieck wrote:
On Sat, Apr 7, 2012 at 3:58 PM, Gabor Grothendieck
ggrothendi...@gmail.com wrote:
On Fri, Apr 6, 2012 at 9:42 PM, help lyhelp.ly2...@gmail.com wrote:
Dear All,
I would like to make
On Thu, Apr 5, 2012 at 9:18 AM, Pam fkira...@yahoo.com wrote:
Hi,
The code below does exactly what I want in sequential mode. But, it is slow
and I want to run it in parallel mode. I examined some
windows version packages (parallel, snow, snowfall,..) but could not solve my
specific
On Wed, Apr 4, 2012 at 1:47 AM, knavero knav...@gmail.com wrote:
Here's a case where it doesn't work. Again, the problem is that when I use
the rbind or concatenate functions, the 2012 data set seems to go ahead of
the 2010 and 2011 portions of the data set. The problem seems dependent on
the
On Tue, Apr 3, 2012 at 9:58 AM, Joachim Audenaert
joachim.audena...@pcsierteelt.be wrote:
Hello all,
I would like to get parameter estimates for different models. For one of
them I give the code in example. I am estimating the parameters (i,j and
k) with the nls function, which sees the error
On Tue, Apr 3, 2012 at 11:03 AM, David Winsemius dwinsem...@comcast.net wrote:
On Apr 3, 2012, at 9:58 AM, Joachim Audenaert wrote:
Hello all,
I would like to get parameter estimates for different models. For one of
them I give the code in example. I am estimating the parameters (i,j and
On Tue, Apr 3, 2012 at 4:52 AM, jeff6868
geoffrey_kl...@etu.u-bourgogne.fr wrote:
Hi everybody,
I'm a new R french user. Sorry if my english is not perfect. Hope you'll
understand my problem ;)
I have to work on temperature data (35000 lines in one file) containing some
missing data (N/A).
On Mon, Apr 2, 2012 at 11:58 AM, Alexander Shenkin ashen...@ufl.edu wrote:
Hi Folks,
I'm trying to cut my data inside the summaryBy function. Perhaps
formulas don't work that way? I'd like to avoid adding another column
if possible, but if I have to, I have to. Any ideas?
Thanks,
Allie
On Sat, Mar 31, 2012 at 8:09 AM, mrzung mrzun...@gmail.com wrote:
hi,
I use R - 2.15(32bit), and want to make a code to clear a console.
Actually, I used to run following code to do that but after update the
version of R from 2.14 to 2.15, it doesn't work.
cls - function (t) {
On Sat, Mar 31, 2012 at 9:53 AM, Rui Barradas rui1...@sapo.pt wrote:
Hello,
Try
cls2 - function(lines=25) cat(rep(\n, lines))
cls2()
It's simpler, and doesn't need any special package.
(In my system, R 2.14.1/Windows 7, i386 or x64, '\f' didn't work.)
This may or may not be important
On Thu, Mar 29, 2012 at 4:28 AM, Eric Fail eric.f...@gmx.us wrote:
Dear R experts,
I've realized that it might not be possible to define a negative SELCET
statement in a SQL call so now I'm looking for the smoothest way to generate
a list of what I would like from my large database by first
On Fri, Mar 30, 2012 at 6:40 PM, ivo welch ivo...@gmail.com wrote:
Dear R wizards: is there a clean way to assign to elements in a list?
what I would like to do, in pseudo R+perl notation is
f - function(a,b) list(a+b,a-b)
(c,d) - f(1,2)
and have c be assigned 1+2 and d be assigned 1-2.
On Thu, Mar 29, 2012 at 1:02 PM, Julio Sergio julioser...@gmail.com wrote:
I learnt that functions can be handled as objects, the same way the variables
are. So, the following is perfectly valid:
f = function(a, b) {
+ print(a)
+ print(b)
+ }
f1 = function(foo) {
+ foo(1,2)
+ }
On Tue, Mar 27, 2012 at 10:49 PM, alan alan.wu2...@gmail.com wrote:
I want to plot many points and want to use circles. The filling color
depends on variable a. if a=1, then not fill
if a=2 then fill with red, if a=3 then fill with blue, if a=4, fill
half with red and half with blue. Can
/%Y,aggregate = mean)
or some variation of this.
Regards,
Tom
On Sat, Mar 24, 2012 at 10:58 PM, Gabor Grothendieck
ggrothendi...@gmail.com wrote:
On Sat, Mar 24, 2012 at 10:44 PM, Thomas Adams thomas.ad...@noaa.gov
wrote:
All:
I have a SQlite database where I have stored some
2012/3/25 Skála, Zdeněk (INCOMA GfK) zdenek.sk...@gfk.com:
Dear all,
I have a question that is probably pretty stupid, so apologies in advance...
I do a simple
mydata.tab - by(my.data.frame, my.data.frame$category, colMeans)
...works fine, but I need to output the results to some flat
2012/3/25 Biedermann, Jürgen juergen.biederm...@charite.de:
Hi there,
I have a linear model with one factor having three levels.
I want to check if the different levels significantly differ from the overall
mean (using contr.sum).
However one level (the last) is omitted in the standard
On Sat, Mar 24, 2012 at 10:44 PM, Thomas Adams thomas.ad...@noaa.gov wrote:
All:
I have a SQlite database where I have stored some verification data by date
time (cycle Z/UTC), lead_time as well as type, duration, etc. I would
like to analyze plot the data as monthly averages. I have looked
On Thu, Mar 22, 2012 at 4:38 AM, jpm miao miao...@gmail.com wrote:
Hi,
I have three time series and I would like to plot them on the same graph
such that two of them share left y-axis and the third uses right y-axis.
rm(list=ls())
library(zoo)
x1 - read.csv(file=120322DBCdata.csv,
On Thu, Mar 22, 2012 at 8:24 AM, knavero knav...@gmail.com wrote:
I have three columns in my raw data: date, time, and dry bulb temperature:
http://r.789695.n4.nabble.com/file/n4495326/weathDataSDCoron.txt
weathDataSDCoron.txt
The date format is %Y%m%d and the time format is %H:%M. Any ideas
On Wed, Mar 21, 2012 at 11:31 AM, michael.laviole...@dhhs.state.nh.us wrote:
I'm trying to use sqldf to query for the earliest date of a blood test when
patients have had multiple tests in a given year. My query looks like this:
test11 - sqldf(select CHILD_ID, min(SAMP_DATE)
On Tue, Mar 20, 2012 at 1:24 AM, knavero knav...@gmail.com wrote:
found a temporary fix (I'm sure it's redundant and not as elegant, but here
it is):
require(zoo)
require(chron)
setwd(/home/knavero/Desktop/)
fmt = %m/%d/%Y %H:%M
tail1 = function(x) tail(x, 1)
rawData =
On Tue, Mar 20, 2012 at 12:54 AM, priya fernandes
priyyafernan...@gmail.com wrote:
Hi there,
I am trying to use linear regression to solve the following equation -
y - c(0.2525, 0.3448, 0.2358, 0.3696, 0.2708, 0.1667, 0.2941, 0.2333,
0.1500, 0.3077, 0.3462, 0.1667, 0.2500, 0.3214, 0.1364)
On Mon, Mar 19, 2012 at 8:03 PM, Sam Albers tonightstheni...@gmail.comwrote:
Hello R-ers,
I just wanted to update this post. I've made some progress on this but
am still not quite where I need to be. I feel like I am close so I
just wanted to share my work so far.
Try this:
Lines - Date
On Mon, Mar 19, 2012 at 7:01 PM, aly alyaba...@gmil.com wrote:
Hi,
I'm a total beginner in R and this question is probably very simple but I've
spent hours reading about it and can't find the answer. I'm trying to
reshape a data table from long to wide format. I've tried reshape() and
On Thu, Mar 15, 2012 at 5:08 AM, sagarnikam123 sagarnikam...@gmail.com wrote:
i have
x
[1] 1 2 3 4 5 6
y
[1] 34 5 6
z-cbind(x,y)
z
x y
[1,] 1 34
[2,] 2 5
[3,] 3 6
[4,] 4 34
[5,] 5 5
[6,] 6 6
i don't want recycling, instead can we put NA /0 like below z
x y
[1,] 1
On Thu, Mar 15, 2012 at 12:58 PM, Rui Barradas rui1...@sapo.pt wrote:
Hello,
Hi Emily,
Yes (see below), but you might be better off by writing a simple
function. Here are examples both ways (usually eval parse is highly
discouraged).
Cheers,
Josh
Yes, eval/parse is discouraged but
On Thu, Mar 15, 2012 at 7:51 PM, Adam Zeilinger zeil0...@umn.edu wrote:
Hello,
I am trying to construct two matrices, F and V, composed of partial
derivatives and then find the eigenvalues of F*Inverse(V). I have the
following equations in ryacas notation:
library(Ryacas)
FIh -
On Thu, Mar 15, 2012 at 10:25 PM, Richard M. Heiberger r...@temple.edu wrote:
## I would like help in using variable values in plotmath expressions
## in lattice
x - 1:10
y - 1:10
pval - .95
plot(y ~ x, ## works as I want in base graphics
main=substitute(list(alpha * = *
On Wed, Mar 14, 2012 at 1:14 AM, AGGARWAL, NEERAJ (NEERAJ)
neeraj.aggar...@alcatel-lucent.com wrote:
I am facing issues while installing RMySQL package on windows(32 bit)
installation of R-Project.
I am getting the following warning messages.
Warning messages:
1: running command
On Wed, Mar 14, 2012 at 12:43 PM, knavero knav...@gmail.com wrote:
attached http://r.789695.n4.nabble.com/file/n4472408/dataout_2471_843.csv
dataout_2471_843.csv
Here is how the problem can be presented in a self contained, minimal,
reproducible fashion (as per last two lines on every message
On Wed, Mar 14, 2012 at 6:07 PM, Aurélien PHILIPPOT
aurelien.philip...@gmail.com wrote:
Dear R experts,
I have a dataframe imported from a csv file (with read.csv).
Here is an example:
mm- c(19860228, 19860331,19860430,19860531)
id-c(1,1,1,1)
re- c(C,0.25, 0.98, 1.34)
On Tue, Mar 13, 2012 at 12:20 PM, Haojie Yan yhj...@googlemail.com wrote:
Dear R-user,
I have read a dataset from .csv file into R. This dataset includes one
column containing some data in 'date and time' format, e.g. 'dd/mm/
hh:mm'.
These data were automatically read and saved as
On Fri, Mar 9, 2012 at 8:35 AM, carol white wht_...@yahoo.com wrote:
Hello,
How is it possible to sort dates in R?
Your question has already been answered but note that if your data is
a time series and you represent it using zoo it will automatically be
sorted. Here dates is in reverse
On Thu, Mar 8, 2012 at 1:19 PM, RHelpPlease rrum...@trghcsolutions.com wrote:
Hi there,
I wish to read a 9.6GB .DAT file into R (64-bit R on 64-bit Windows machine)
- to then delete a substantial number of rows then convert to a .csv file.
Upon the first attempt the computer crashed (at some
On Wed, Mar 7, 2012 at 10:36 AM, Michael Karol mka...@syntapharma.com wrote:
All:
It now appears to be working; however, I have a new problem. The format of
the output is not what I need. Currently it produces an output as three
columns; Group.1, Group.2, and x
whereas I need a data
On Wed, Mar 7, 2012 at 11:28 AM, Alaios ala...@yahoo.com wrote:
Dear all,
I would like to ask you if R has a library that can work with different GPS
formats
For example
I have a string of this format
N50° 47.513 E006° 03.985
and I would like to convert to GPS decimal format.
that
On Wed, Mar 7, 2012 at 11:51 AM, Mark Heckmann mark.heckm...@gmx.de wrote:
Hello,
I have an empty environment named env.
Now I want the locally created objects in some function (foo) to appear in
env.
Within the function I want to have straight forward code, no assign operation
or env$x
On Wed, Mar 7, 2012 at 2:29 PM, Daniel Nordlund djnordl...@frontier.com wrote:
-Original Message-
From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org]
On Behalf Of Gabor Grothendieck
Sent: Wednesday, March 07, 2012 8:52 AM
To: Alaios
Cc: R help
Subject: Re: [R
On Tue, Mar 6, 2012 at 4:20 AM, Stefan Luedtke slued...@gfz-potsdam.de wrote:
I managed to solve a part of my problem. Anyway, I still do not
understand how to use the lattice package the right way.
An example:
I do have multiple stations (say, with climatological data) and I want
to plot
On Tue, Mar 6, 2012 at 3:06 PM, Mago84 davidquia...@gmail.com wrote:
Dear all,
I know that it is a silly question, but I have a zoo object like this:
valor1 valor2
01/02/08 36.7381 17.0097
01/03/08 36.9296 16.8331
01/04/08 35.6934 16.3539
01/07/08 35.3539 16.3791
On Tue, Mar 6, 2012 at 11:14 AM, Stefan Luedtke slued...@gfz-potsdam.de wrote:
I spent some more time to understand the examples .. it helped a bit.
But there is still one issue.
Taking example data (my first on, hope it is not confusing ;-) ) like:
library(latticeExtra)
library(zoo)
On Mon, Mar 5, 2012 at 3:33 PM, knavero knav...@gmail.com wrote:
Here's my script:
http://pastebin.com/zx3TCtXg
I want to draw attention to the code block where the read in of the raw data
is located. Is there a function that filters out unwanted data with respect
to a ceiling limit. For
On Sat, Mar 3, 2012 at 8:31 AM, Alaios ala...@yahoo.com wrote:
Dear all,
I am having a vector of around 300.000 elements and I Want to slide fast a
window from the first element until the last-Windowsize
what I have so far is the following for statement:
for (i in 1:(length(data[,1]) -
On Fri, Mar 2, 2012 at 5:15 PM, sluedtke slued...@gfz-potsdam.de wrote:
Dear List,
I am struggling with the trellis graphic. A similar problem was mentioned
here:
http://r.789695.n4.nabble.com/R-How-can-you-get-N-replicates-of-a-multi-screen-multivariate-time-series-plot-td811850.html
I
On Tue, Feb 28, 2012 at 6:06 PM, Trying To learn again
tryingtolearnag...@gmail.com wrote:
Hi all,
I´m new using Access. I see that many things that you can do on Access you
can do on CRAN R but not on contrary.
My question is: Is there any manual with examples comparing how to do data
base
On Wed, Feb 29, 2012 at 2:24 PM, Fred G bayespoker...@gmail.com wrote:
Computer Friends,
with the following example lines:
[107] 98-610: Cell type: S; Surv(months): 6; STATUS(0=alive, 1=dead): 1
[108] 99-625: Cell type: S; Surv(months): 21; STATUS(0=alive, 1=dead): 1
i want to be able to
On Mon, Feb 27, 2012 at 10:17 PM, knavero knav...@gmail.com wrote:
Here's my code:
http://pastebin.com/0yRxEVtm
The important parts are uncommented and should be easy to find using the
link above. For the following line of code, I plan on looking for a way to
offset it up 7 rows so that the
On Sun, Feb 26, 2012 at 9:06 AM, knavero knav...@gmail.com wrote:
Quick newb question about R relating to the line of code below:
rawCool = read.zoo(cooling.txt, FUN = as.chron, format = %m/%d/%Y %H:%M,
sep = \t, aggregate = function(x) tail(x, 1))
I'm wondering what the specifics are for
On Sun, Feb 26, 2012 at 2:58 PM, Ivette iva_mihayl...@mail.ru wrote:
Hello,
Lets suppose I have an Excel sheet with 9 columns of data. How to tell R to
read for example column 1 and 7 of this sheet? I know only the usual code
without specifying columns:
library(gdata)
a -
On Thu, Feb 23, 2012 at 11:39 AM, Matthew Keller mckellerc...@gmail.com wrote:
Thank you all very much for your help (on both the r-help and the
bioconductor listserves).
Benilton - I couldn't get sqldf to install on the server I'm using
(error is: Error : package 'gsubfn' does not have a
On Thu, Feb 23, 2012 at 5:28 AM, TwistedSkies david.vic...@talbotuw.com wrote:
Hi Guys,
I am relatively new to R and was wondering if I could next my gsub command
in identifying one object
I have data which looks like this: nameTaiwan_250km/name
I want it to look like this:
On Thu, Feb 23, 2012 at 7:09 AM, phillen phlent...@gmail.com wrote:
hi there!
i am desperately in need for help.
i have read in data:
qthm=read.csv(qthm.csv,sep=;,header=TRUE)
then created time series ie
m2=ts(log(qthm$m2), start=c(1959, 1), frequency=4)
transformed these time series in
On Thu, Feb 23, 2012 at 3:06 PM, Henry hcco...@lbl.gov wrote:
Another simple question - trying to specify xlim in a zoo plot and getting
error
my plot line is
plot(z1,
ylim=c(-100,3000),xlim=c(chron(10/30/2011,00:00:00),chron(10/30/2011,00:20:00)),type=b,xlab=,ylab=1
Minute Fit,cex.lab=1.3)
On Wed, Feb 22, 2012 at 8:09 AM, arunkumar akpbond...@gmail.com wrote:
Hi
My data looks like this
startDate=2008-06-01
dateRange =c( 2008-10-01,2008-12-01)
Is there any method to find the week number from the startDate range
Is the question how many weeks are from the startDate to
On Wed, Feb 22, 2012 at 9:54 PM, Henry hcco...@lbl.gov wrote:
Gabor,
Thanks very much.
I have all the zoo functions to get 1 minute aggregation and 15 min. means
working and now able to write out to a file/etc.
One question on the 15 min. mean results.
m1 - times(00:01:00)
g -
On Tue, Feb 21, 2012 at 2:25 AM, jpm miao miao...@gmail.com wrote:
Hello,
I try to handle the data using read.csv , zoo and aggregate functions.
The data contains NA values. After aggregating monthly data into quarterly
data, all data become NA. Is it because I don't properly aggregate the
On Tue, Feb 21, 2012 at 12:15 AM, Ben quant ccqu...@gmail.com wrote:
Thanks again for your so far on proto. I have another question.
What is the best way to do stuff based on data prior to calling a
function? I tried the code below without expr (and including commas after
data member
On Fri, Feb 17, 2012 at 7:54 PM, Henry hcco...@lbl.gov wrote:
The problem now is it looks like my read.zoo isn't working.
Sorry for sort of double posting.
Someone please assist if you have time with my read.zoo command line.
my data is as just below this line, a time stamp and a real number
On Fri, Feb 17, 2012 at 2:56 PM, Henry hcco...@lbl.gov wrote:
Another newbie question
I got the 1 minute spine interpolation and 15 mean aggregation working with
many thanks to Gabor Grothendieck using Zoo functions. I got a tip from
Hasan Diwan to look at xts but it seemed I would make
On Fri, Feb 17, 2012 at 8:16 PM, Hasan Diwan hasan.di...@gmail.com wrote:
Henry,
You're reading a CSV with read.zoo. This is not likely to work. The
way I'd do this is:
data - read.csv('/tmp/Kevin-0-comma-ITPower.txt', header=FALSE)
z - zoo(data[,2], order.by=as.POSIXct(data[,1],
On Sat, Feb 18, 2012 at 12:44 AM, Ben quant ccqu...@gmail.com wrote:
The code below works as expected but:
Using the proto package, is this the best way to 1) make a parameter
persist if the parameter is passed
in with a value, 2) allow for calling the bias() function without a
parameter
On Thu, Feb 16, 2012 at 10:12 AM, Nutter, Benjamin nutt...@ccf.org wrote:
I'm thoroughly stumped. I've been playing with RODBC and wanted to see if I
could retrieve data from text files using this package as well (for the most
part, this is an intellectual exercise, but occasionally I do get
On Thu, Feb 16, 2012 at 7:31 PM, Henry hcco...@lbl.gov wrote:
Newbie question - mechanical engineer trying to learn R
I've had success with plotting time series data and even made a heat map
using R Graphs Cookbook by Mittal.
I have a new problem - I need to align a number of time series data
On Wed, Feb 15, 2012 at 7:24 AM, aajit75 aaji...@yahoo.co.in wrote:
Hi All,
This might be simple question, I need to retrive data for modelling from the
databases. Eveytime date values changes so I countnot fix date value in the
code, it is required to pass as parameter.
When I pass the date
On Tue, Feb 14, 2012 at 11:17 PM, Redding, Matthew
matthew.redd...@deedi.qld.gov.au wrote:
I've been trawling through the documentation and listserv archives on this
topic -- but
as yet have not found a solution. I'm sure this is pretty simple with R, but
I cannot work out how without
On Wed, Feb 15, 2012 at 10:25 PM, P.B. Lecavalier p.bar...@gmail.com wrote:
Greetings,
I would like to subset observations in a time series using xts, after
converting from ts to xts.
X=ts(1:100, frequency=12, start=c(1976))
X2=as.xts(X)
X2[1984]
The output:
Feb 1984 98
Mar 1984
On Wed, Feb 15, 2012 at 11:58 PM, Ben quant ccqu...@gmail.com wrote:
Thank you Duncan. Interesting. I find it strange that you can't get a list
of the environments. But I'll deal with it...
Anyway, I'm about to start a new R dev project for my company. I'm thinking
about architecture,
On Mon, Feb 13, 2012 at 8:23 AM, RichardSmith richardsmith...@gmail.com wrote:
Gabor Grothendieck wrote
Try this xyplot.zoo lattice graph. Time series are represented in
columns so we transpose the data and convert it to zoo. The screen=
argument available in xyplot.zoo groups series
On Mon, Feb 13, 2012 at 5:07 PM, David Studer stude...@gmail.com wrote:
Hello everybody,
I have the following problem and have no idea how to solve it:
In my dataframe I have six columns representing six societal problems (p1,
p2, ..., p6).
The values are ranks between 1 (worst problem) and
On Sun, Feb 12, 2012 at 10:35 AM, Bert Gunter gunter.ber...@gene.com wrote:
Folks:
Suppose I wish to input a text file with variable length lines and
possible whitespace as is and then parse the resulting character
vector in R. Each line of text is terminated with \n (newline
character).
On Sun, Feb 12, 2012 at 10:52 AM, RichardSmith
richardsmith...@gmail.com wrote:
Sorry for this very basic question. I have time-series data, laid out as a
table (in csv) like this:
That is, the first column is the sample ID, and subsequent columns are the
data at time interval in days since
On Sun, Feb 12, 2012 at 12:35 PM, RichardSmith
richardsmith...@gmail.com wrote:
Gabor Grothendieck wrote
Something seems to have gone wrong in the posting since we can't see
the sample data that seems to be intended to be part of the post.
Sorry, I posted via Nabble using the 'raw' command
On Fri, Feb 10, 2012 at 3:02 AM, xiddw xid...@gmail.com wrote:
Hi everybody,
I'm looking for an optimal way to split a big matrix (e.g. ncol = 8,
nrow=8) into small square submatrices (e.g. ncol=2, nrow=2)
For example
If I have
h
[,1] [,2] [,3] [,4] [,5] [,6] [,7] [,8]
[1,]
On Thu, Feb 9, 2012 at 2:54 AM, arunkumar akpbond...@gmail.com wrote:
Hi
I'm storing two functions in a list
# creating two function
function1 - function(n) {
return(sum(n))
}
function2 - function(n) {
return(mean(n))
}
#storing the function
function3 =c(function1,function2)
On Wed, Feb 8, 2012 at 9:12 AM, Arnaud Gaboury arnaud.gabo...@a2ct2.com wrote:
Hello,
I have to deal with numbers with a decimal part as quarter, coming from two
systems with different way to show decimals. I need to tell R these are in
fact the same number.
On one side my number are
On Wed, Feb 8, 2012 at 7:09 AM, mails mails00...@gmail.com wrote:
Hello,
I used read.xlsx to read in Excel files but for large files it turned out to
be not very efficient.
For that reason I use a programme which writes each sheet in an Excel file
into tab-delim txt files.
Note that that is
On Wed, Feb 8, 2012 at 12:33 PM, Yang, Joy (NIH/NHGRI) [F]
joy.y...@nih.gov wrote:
Hi,
Is there a way to efficiently replace specified indices in a string with
another character? For example, if I had a vector of strings such as
[1] hellohowareyoudoing
[2] imgoodhowareyou
[3] goodandyou
On Wed, Feb 8, 2012 at 4:02 PM, moli nird...@gmail.com wrote:
I want to evaluate f with the mean=7
mean=7
f - expression(-(x-mean)^2/2)
then get a new expression:
-(x-7)^2/2
How could I do it? Thanks.
You can leave out the initial as.expression if you don't mind having a
call object
On Tue, Feb 7, 2012 at 8:02 PM, Hasan Diwan hasan.di...@gmail.com wrote:
Not sure if the question is appropos, but I have multiple csv's which
are read into an xts object, corresponding to telemetry data
(accelerometer, magnetometer/compass, and gyroscope). For examination,
it would be über
On Sun, Feb 5, 2012 at 3:01 AM, Alaios ala...@yahoo.com wrote:
Dear all,
I am using browse() to debug my R applications. My problem is that I need a
bit more control of the debugging process.
For example 'I want R to stop at the 7th iteration and check. One can do
think that I can put the
On Fri, Feb 3, 2012 at 12:25 PM, ql16717 ql16...@gmail.com wrote:
Hi,
I never acutally made a package before. I have a folder, say called
john that has everything it needs to be in a R package. Some
instruction says I need Rtools from R mirror site. I installed the
Rtools, but under DOS, the
On Fri, Feb 3, 2012 at 6:03 AM, HC hca...@yahoo.co.in wrote:
Thank you for indicating that SQLite may not handle a file as big as 160 GB.
Would you know of any utility for *physically splitting *the 160 GB text
file into pieces. And if one can control the splitting at the end of a
record.
On Fri, Feb 3, 2012 at 5:05 AM, ikuzar raz...@hotmail.fr wrote:
Hello,
I'd like to know how to plot several curves in the same frame (1curve =
1line=1day).
For instance (csv file):
2012-02-01 01:00:00; 2100
2012-02-01 02:00:00; 2200
...
2012-02-01 23:00:00; 2500
2012-02-02 01:00:00; 1000
On Fri, Feb 3, 2012 at 8:08 AM, HC hca...@yahoo.co.in wrote:
This is a 160 GB tab-separated .txt file. It has 9 columns and 3.25x10^9
rows.
Can R handle it?
You can process a file N lines at time like this:
con - file(myfile.dat, r)
while(length(Lines - readLines(con, n = N)) 0) {
...
On Wed, Feb 1, 2012 at 11:57 PM, HC hca...@yahoo.co.in wrote:
Hi All,
I have a very (very) large tab-delimited text file without headers. There
are only 8 columns and millions of rows. I want to make numerous pieces of
this file by sub-setting it for individual stations. Station is given as
On Thu, Feb 2, 2012 at 3:11 AM, Gabor Grothendieck
ggrothendi...@gmail.com wrote:
On Wed, Feb 1, 2012 at 11:57 PM, HC hca...@yahoo.co.in wrote:
Hi All,
I have a very (very) large tab-delimited text file without headers. There
are only 8 columns and millions of rows. I want to make numerous
On Thu, Feb 2, 2012 at 8:07 PM, HC hca...@yahoo.co.in wrote:
Hi Gabor,
Thank you very much for your guidance and help.
I could run the following code successfully on a 500 mb test data file. A
snapshot of the data file is attached herewith.
code start***
library(sqldf)
On Wed, Feb 1, 2012 at 5:26 PM, Sam Albers tonightstheni...@gmail.com wrote:
Hello all,
## I am trying to convert some year and month data into a single
variable that has a date format so I can plot a proper x axis.
## I've made a few tries at this and search around but I haven't found
On Mon, Jan 30, 2012 at 1:26 PM, Paul Johnson pauljoh...@gmail.com wrote:
A user question today has me stumped. Can you advise me, please?
User wants a matrix that has some numbers, some variables, possibly
even some function names. So that has to be a character matrix.
Consider:
BM -
On Mon, Jan 30, 2012 at 2:12 PM, R. Michael Weylandt
michael.weyla...@gmail.com wrote:
library(zoo)
demo(zoo-overplot)
Also:
library(zoo)
example(xblocks)
--
Statistics Software Consulting
GKX Group, GKX Associates Inc.
tel: 1-877-GKX-GROUP
email: ggrothendieck at gmail.com
On Sun, Jan 29, 2012 at 11:36 AM, Ajay Askoolum aa2e...@yahoo.co.uk wrote:
Thank you. I need some clarification.
dput(AirPassengers)
gives:
structure(c(112, 118, 132, 129, 121, 135, 148, 148, 136, 119,
104, 118, 115, 126, 141, 135, 125, 149, 170, 170, 158, 133, 114,
140, 145, 150, 178,
On Fri, Jan 27, 2012 at 2:26 PM, Sam Albers tonightstheni...@gmail.com wrote:
Hello,
I am looking for a way to subset a data frame by choosing the top ten
maximum values from that dataframe. As well this occurs within some
factor levels.
## I've used plyr here but I'm not married to this
On Fri, Jan 27, 2012 at 6:35 AM, Christopher Kelvin
chris_kelvin2...@yahoo.com wrote:
Hello,
How can i do simulation with a weibull distribution after i have generated
data with the distribution,
for example; if i generate x=rweibull(50,shape=0.8,scale=2) and i want to
simulate this data
On Fri, Jan 27, 2012 at 9:49 AM, R. Michael Weylandt
michael.weyla...@gmail.com wrote:
Another way, which I believe will be a little more memory efficient
and time inefficient, though that might vary by machine, would be to
use replicate:
library(MASS)
set.seed(123)
m - replicate(1000,
On Tue, Jan 24, 2012 at 11:54 AM, Paul Miller pjmiller...@yahoo.com wrote:
Hello Everyone,
Still new to R. Wrote some code that finds and prints invalid dates (see
below). This code works but I suspect it's not very good. If someone could
show me a better way, I'd greatly appreciate it.
On Thu, Jan 26, 2012 at 4:00 PM, R. Michael Weylandt
michael.weyla...@gmail.com wrote:
I'm not sure if it's easily doable with a ts class, but the rollapply
function in the zoo package will do this easily. (Also, I find zoo to
be a much more natural time-series workflow than ts so it might make
On Wed, Jan 25, 2012 at 10:26 AM, gianni lavaredo
gianni.lavar...@gmail.com wrote:
Dear Researchers,
I have several files as this example: Myfile_MyArea1_sample1.txt
i wish to split in Myfile, MyArea1, sample1, and txt, becasue i
need to use sample1 label. I try to use strsplit but I am able
On Wed, Jan 25, 2012 at 10:51 AM, Gabor Grothendieck
ggrothendi...@gmail.com wrote:
On Wed, Jan 25, 2012 at 10:26 AM, gianni lavaredo
gianni.lavar...@gmail.com wrote:
Dear Researchers,
I have several files as this example: Myfile_MyArea1_sample1.txt
i wish to split in Myfile, MyArea1
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