[R] ZOO object colnames refering to Dates

Hello, I have large zoo objects (about 100 or more time series merged next to eachother). Example: X05.Oct.99 X05.Nov.99 X05.Dec.99 X05.Jan.00 X05.Feb.00 X05.Mar.00 X05.Apr.00 X05.May.00 X05.Jun.00 [1,] 5649.3 5679.4 5679.4 5679.4 5679.4 5679.4 5679.4 567

[R] List of zoo dataframes

Hello, I have various datasets of zoo time series (merged into single frames via the "merge" command) such as datevar0var1var2var3 08/07/1996 652.54 0.2239220.5158190.502638 08/08/1996 662.59 0.9978410.0003830.999806 06/09/1996 65

[R] Playwith with Linux Mint

Hi, I am having problems installing playwith on a Linux Mint ver. 8 (Helena) computer running R-2.10.1. Anybody facing similar problems? Is it a GTK issue? I can not install the cairo related packages/libraries as well. Any pointers very welcome. Thanks + bestregards, Costas [[alte

[R] Exchanging zoo object dates

Hi, I have two zoo objects (time series of same frequency) say A and B. I need to exchange A's dates for B's. Is there and easy way? I managed to do it by converting A to a vector and pasting it on a zoo vector (all ones) with B's dates but I wonder if there is an easier way by some "zoo

Re: [R] N'th of month working day problem

so: > > # nth day of month or last day of month if less > nth.of.month<- function(date, n) { > ym<- as.yearmon(date) > pmin(as.Date(ym) + n - 1, as.Date(ym, frac = 1)) > } > > ag<- aggregate(DJd, nth.of.month(time(DJd), 31), tail, 1) > > > >

[R] End of Month date capture

Dear R-users, I have the following zoo object: x1x2 x3 x4 x5 x6 1998-08-31 -0.0704375904 NA NA NA NA NA 1998-09-01 0.0379028122 NA NA NA NA

[R] Using tcltk or other graphical widgets to view zoo time series objects

Dear all, I am looking at the R-help entry below: http://finzi.psych.upenn.edu/R/Rhelp02/archive/26640.html I have a more complicatedt problem. I have a zoo time series frame with 100+ sequences. I want to cycle through them back and forth and compare them to the 1st column at any time. I

Re: [R] Using tcltk or other graphical widgets to view zoo time series objects

ur system. > > > > On 28 January 2010 23:16, Gabor Grothendieck wrote: > >> There is an example of using zoo together with the playwith package at >> the end of the examples section of help(xyplot.zoo) which may address >> this. >> >> On Thu, Jan 28, 2

Re: [R] Using tcltk or other graphical widgets to view zoo time series objects

Many thanks Liviu! Liviu Andronic wrote: > On 2/1/10, Research wrote: > >> do_something_else = function(playstate) ###Export here mean value of >> sequence playState$env$i### >> >> > > Would this do the trick? > playwith(xyplot(dat[

[R] Duplicate dates in zoo objects

Hello, I have a zoo time series read from an excel file which has some dates the same, such as the following example: 02/10/1995 4925.5 30/10/1995 4915.9 23/01/1996 4963.5 23/01/1996 5009.2 04/03/1996 5031.9 # here 04/03/1996 5006.5 # here 03/04/1996 5069.2

[R] List of zoo multivariate series

Hi, I have a list which is basically a database of zoo multivariate objects: x.Date <- as.Date("2003-02-01") + c(1:100) - 1 x <- zoo(rnorm(100), x.Date) z <- zoo(rnorm(100), x.Date) y <- zoo(rnorm(100), x.Date) k <- zoo(rnorm(100), x.Date) a<-merge(x,z) b<-merge

[R] merge.zoo and fill

Hello again, I merge different zoo time series with prices at different dates. This returns a multivariate zoo object with NA's at various points i.e., 2010-02-28 NA NA NA NA 850.2 2444.4 NA NA NA NA NA NA NA 2010-03-01 61.1 55.3

[R] KALMAN

Hello, I am looking for some very simple, step by step, hands on application/examples/notes etc. on setting up a multivariate time series Kalman filter model in R. Any help/pointers much appreciated. Best regards, Costas __ R-help@r-project.org ma

[R] Histogram Bin

Hello, Is there a function that returns the number of the "bin" (or quantile, or percentile etc. etc.) that a value of a variable may belong to? Tor example: breaks<-hist(variable, 18, plot=FALSE) If the following breaks are 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 the boundaries

[R] Time problems (POSIXct)

Hello, I have a zoo time series object (say a) with the following time stamp/format [1] "1950-01-03 GMT" "1950-01-04 GMT" "1950-01-05 GMT" "1950-01-06 GMT" [5] "1950-01-09 GMT" "1950-01-10 GMT" and another (say b) with [1] "1950-01-05" "1950-01-06" "1950-01-09" "1950-01-10" "1950-01-11"

Re: [R] Time problems (POSIXct)

z2.Date)<- as.Date(time(z2.Date)) merge(z1, z2.Date) z1 z2.Date 1950-01-03 NA 16.66 1950-01-04 NA 16.85 1950-01-05 1 16.93 1950-01-06 2 16.98 1950-01-09 3 17.08 1950-01-10 4 17.03 1950-01-11 5 NA 1950-01-12 6 NA On Thu, May 20, 2010 at 10:48 AM,

[R] lme between-group and within-group covariance

Dear R users, I would be interested in using the lme() function to fit a linear mixed model to a longitudinal dataset. I know this function allows for the specification of a within-group covariance structure. However, does it allow for the explicit specification of a between-group covariance stru

Re: [R] lme between-group and within-group covariance

structure for the Psi matrix (same notation), that is, a correlation structure for the random effects. If lme() doesn't allow for this, is there any other function that I could use? MUHC-Research wrote: > > Dear R users, > > I would be interested in using the lme() function to

[R] Overlaying graphs from different datasets with ggplot

Dear R-users, I recently began using the ggplot2 package and I am still in the process of getting used to it. My goal would be to plot on the same grid a number of curves derived from two distinct datasets. The first dataset (called molten.data) looks like this : Column names : Perc, Week, Weig

[R] A beginner's question about ggplot

Dear R-users, I would have another question about the ggplot() function in the ggplot2 package. All the examples I've read so far in the documentation make use of a single neatly formatted data.frame. However, sometimes, one may be interested in plotting on the same grid information or objects d

Re: [R] Cannot write a dataframe to xls or csv Windows 7

Thank you so much, Yes I need to look up how to make a reproducible example, William I will try your advice, I believe this will be my salvation here, once I get my computer. Pancho On Sep 13, 2012, at 23:59, "William Dunlap" wrote: > >> -Original Message- >> From: r-help-boun...@r-pr

Re: [R] help me with holt-winter model

Please help me with this i need to submit my thesis . Thanks In advance -- View this message in context: http://r.789695.n4.nabble.com/help-me-with-holt-winter-model-tp2295552p2298464.html Sent from the R help mailing list archive at Nabble.com. _

[R] Please advise acf and pacf in order to determine order of Arima

I have data as below.Please let me know how the ACF and Pacf used to determine the order od arima model. Is there any rules need to be followed to determine order.Please advise > turkey.price.ts Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2001 1.58 1.75 1.63 1.45 1.56 2.07

Re: [R] Odp: Help me with prediction in linear model

Thanks Murphy and pikal, I need another help,for fitting first fourier transformation ,i used following thing .Please advise on this beer_monthl has 400+ records EXample: > head(beer_monthly) beer 1 93.2 2 96.0 3 95.2 4 77.1 5 70.9 6 64.8 time<-seq(1956,1995.2,length=length(beer_monthly)

[R] Exporting data to spss

I have a dataframe of 80+ columns and over 700 rows. I use write.foreigin(data,C:/filename.dat,codefile.sps) and it does write out the .dat file and the code file. Problem is that when I open the codefile in SPSS 20, I can an error message saying there are too many variables and something about

[R] Tendonitis and R users

Hello This request asks something beyond the technicalities of the R language, I would like to ask you wonderful people if you have ever suffered as programmers ( or de facto programmers like myself though I am a 'research assistant') from tendonitis and how you coped with it, i hav

[R] peak finding

Hi all Is there a function that can find the start and end position of peaks in a set of numbers. eg. x=c(14,15,12,11,12,13,14,15,16,15,14,13,12,11,14,12) y=somefunction(x) y 4 14 Thanks John [[alternative HTML version deleted]] __ R-help@r-

Re: [R] peak finding

+61 7 3286 7700 > mailto:[EMAIL PROTECTED] > http://www.cmis.csiro.au/bill.venables/ > > -Original Message- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] > On Behalf Of Research Scholar > Sent: Tuesday, 25 March 2008 12:54 PM > To: r-help@r-project.org > S

[R] linear discriminant analysis / search

Dear R help list, I have a training dataset that looks like Table1. I have an unknown dataset that looks like Table2. I want to have a program that should search the training dataset and identify that the unknown sample belongs to which category (type1, type2 or type3) and also if the unknown does

[R] linear discriminant analysis

Dear R help list, I have a training dataset that looks like Table1. I have an unknown dataset that looks like Table2. I want to have a program that should search the training dataset and identify that the unknown sample belongs to which category (type1, type2 or type3) and also if the unknown does

Re: [R] Object Oriented programming in R

You can try this good resource http://www1.maths.lth.se/help/R/R.oo/ RS On Thu, Mar 6, 2008 at 9:30 PM, Davood Tofighi <[EMAIL PROTECTED]> wrote: > Dear all, > > I was wondering if there a guide/tutorial to the object oriented > programming > in R for the beginners. > > Thanks, > > -- > Davood

[R] analysing a three level reponse

Hello, I am struggling to figure out how to analyse a dataset I have inherited (please note this was conducted some time ago, so the data is as it is, and I know it isn't perfect!). A brief description of the experiment follows: Pots of grass were grown in 1l pots of standad potting medium for 1

[R] Simulated annealing method with restarts

the securities/instruments mentioned. Morgan Stanley may deal as principal in or own or act as market maker to securities/instruments mentioned or may advise the issuers. This may refer to a research analyst/research report. For additional information, research reports and important disclosures, con

[R] Reflecting correct color and density values in a barplot legend

Hello- I am trying to build a barplot with a fairly large number or categories (65). I figured out how to plot the bars with solid colors and then with density lines to differentiate the 65 items with the following code: barplot(data,col = seq(2:11)) barplot(data,col = "black", density = c(0,seq(

[R] mvpart : Printing response values at terminal nodes

I have created a multivariate regression tree using mvpart, with 3-4 responses. Though the plot shows bargraphs for each response, I would like to have the VALUES of the responses printed or indicated (via a scale or something) alongside the bargraph. Is this possible ?? Thanks, Manjunath

[R] AMRAtoMA

Hello R Users! I have a question about the output of ARMAtoMA when used to calculate the variance of a model. I have a mixed model of the form ARMA(1,1). The actual model takes the form: X(t) = 0.75X(t-12) + a(t) - 0.4a(t-1) Given that gamma(0) takes the form [(1 + theta^2 - 2*theta*phi)/(1-ph

[R] forming a linear discriminant function from the output of lda()

Hello all- I am a relatively new user of R and am working through a graduate course in Statistics that uses Minitab, SAS and some Matlab. I like using R but am having some trouble lining up the output from lda() to that of the other programs' results. The dataset below is a modified set of wine

[R] piecewise regression using nlme function

Is a 95% CI on a breakpoint fixed effect legitimate when the nonlinear equation is continuous but not differentiable at the breakpoint? I used the nlme to generate a non-linear mixed-effects piecewise model with initial slope zero prior to an unknown breakpoint. It did give a 95% CI for the bre

[R] combining/deleting rows

Suran | Economist CBRE Torto Wheaton Research | Research 200 High Street, 3rd Floor | Boston, MA 02110 T 617 912 5204 | F 617 912 5240 [EMAIL PROTECTED] | www.tortowheatonresearch.com Please consider the environment before printing this email. This email may contain information th

[R] Replacing text

Sorry, another newbie question :-( I loaded a data set with 10 rows and 30 columns. The first column is characters for names of car manufacturers: Jeep Nissan Toyota1 Toyota2 Etc. How can I replace "Toyota2" with "Scion"? Thanks again [[alternative HTML

[R] Compiling R2.15.1 on ubuntu with x86-64 architecture and shared library

ve no idea how to recompile with -fPIC Any help would be appreciated. Mike W. Michael Conklin Executive Vice President | GfK Marketing Science | Consumer Experiences North America GfK Custom Research, LLC | 8401 Golden Valley Road | Minneapolis, MN, 55427 T +1 763 417 4545 | M +1 612 567 8287 w

[R] Leaflet maps. Nudging co-incident markers

I have a dataset showing points, with a category for each point and its location. I simply want to display my points, in a way that users can toggle the points on and off by category. Where I have two objects in the same category I'd like to display them nudged to appear as two distinct, but v