similar to: R-help Digest, Vol 93, Issue 5

hey I am trying to turn a dataframe into xts with the function: as.xts, but it returns the error: Error in as.POSIXlt.character(x, tz, ...) : character string is not in a standard unambiguous format could someone give me some pointers please the data is coming from a spreadsheet via the excel, and has 5 columns of data (date (with the date and time), open, high, low, close) (excel format) ela

On Fri, Apr 8, 2016 at 10:51 AM, James Hirschorn <james.hirschorn at hotmail.com> wrote: > > > On 04/06/2016 07:58 PM, Joshua Ulrich wrote: >> >> On Tue, Apr 5, 2016 at 9:17 PM, James Hirschorn >> <james.hirschorn at hotmail.com> wrote: >>> >>> OpCl works on xts objects but not on quantmod.OHLC objects. Is this a >>> bug?

Hi Nicolas, I am so sorry for the questions. According to you, I built VMKit2 on Ubuntu11.10-desktop-amd64 on Intel(R) Corei5, and the previous problem solved. But another one appeared! With the following configuration: elaheh at elaheh-Lenovo-G470:~/Desktop/vmkit2$ ./configure --with-llvmsrc=/home/elaheh/Desktop/llvm/ --with-llvmobj=/home/elaheh/Desktop/llvm/

Hi, I’m trying to make VMKit & J3 on Ubuntu. I have followed the instructions at http://vmkit2.gforge.inria.fr/start.php. But after configuring vmkit2, when I’m making it using make ENABLE_OPTIMIZED=1, I receive the following: 1)      With this configuration: ela at ela-VirtualBox:~/Desktop/vmkit2$ ./configure --with-llvmsrc=/home/ela/Desktop/llvm/ --with-llvmobj=/home/ela/Desktop/llvm/

Dear all, I am trying to using a mixed-design ANOVA to analyze my data. I have two between subject variables: location (2 different locations) and age group (young and old), and one within-subject variable: valence (positive, neutral, negative). I am looking at an Stevens(one between, two within) in Notes on the use of R for psychology experiments and questionnaires (P34 in this article). In

Hello, it would be nice to know in the community as it is the maturity of the fourth samba at putting in a production environment. It would be wise to put the Samba 4 in a production environment, or would play the most recommended solution samba + openldap? Att, Victor -- ?Encarada do ponto de vista da juventude, a vida parece um futuro indefinidamente longo, ao passo que, na velhice, ela

Boa Tarde, Estou com problemas para autentica??o de meus computadores no dominio samba. Quando tento pelo pr?prio windows ou na m?o pelo console adicionar uma m?quina ao dominio, ela ? cadastrada com sucesso, ela fica em ou=Computers,dc=xxx,dc=xxx por?m o smbd a procura em people o que resulta que meus usu?rios n?o conseguem logar... assim ... ao inves de o sambra procurar em ou=Computers ele

In Baron and Li's "Notes on the use of R for psychology experiments and questionnaires" http://cran.r-project.org/doc/contrib/rpsych.htm they describe a balanced data set for a drug experiment: "... a test of drug treatment effect by one between-subject factor: group (two groups of 8 subjects each) and two within-subject factors: drug (2 levels) and dose (3 levels). "

Hi. I've managed to make a *very* simple wrapper around the xts library for R into OCaml. (Need to be downloaded from CRAN for OCaml users, but I expect other wrapping to be fairly similar...). The good, good, good thing (from my humble point of view) is that all loading is done statically: Loading the R interpreter is done statically. Loading the xts library is done statically... etc...

everyone Here: How do you do! dtrace is interesting. I am studing how to write dtrace script and analyze situation. I read dtrace_example.pdf and 819-6959.pdf document more than five times with careful. because I am newbie to studing dtrace.so I still don''t know how to begin. for question: 1. What consumes time? 2. Which system call(s) consume(s) time?

Dear R Developers, I'm developing an R package that I had submitted to Bioconductor project. This package uses the rgl package to do some tri-dimensional scatter pĺots. I only work with linux (ubuntu 7.04) system and Windows XP. In both of them the rgl package works fine. But now, bioconductor team is checking my package with Mac OS X (version 10.4.10) and the function is giving the following

Hi all , I have 12 xts objects of differing timeseries stamp. For example : > str(s1_predict.xts) An ?xts? object from 1990-03-25 20:00:00 to 1990-12-15 09:00:00 containing: Data: num [1:725, 1] 11.23 10.18 9.3 9.74 10.18 ... - attr(*, "dimnames")=List of 2 ..$ : NULL ..$ : NULL Indexed by objects of class: [POSIXt,POSIXct] TZ: Original class: 'double' xts

I'm testing out quantstrat using a simple one-indicator strategy. The error I get after applyStrategy(...) is Error in .xts(e, .index(e1), .indexCLASS = indexClass(e1), .indexFORMAT = indexFormat(e1), : index length must match number of observations In addition: Warning messages: 1: In match.names(column, colnames(data)) : all columns not located in roc_15 for STOXX.Open STOXX.High

I have two data frames, with two columns each, the first being a Date variable. I would like to convert them to xts objects, indexed by the Date column. I would like to use as.Date and not as.POSIXct as the dateformat. The puzzling fact is that it works for the first one but not the other. Here is a screenshot of the error: > str(DF1) 'data.frame': 367 obs. of 2 variables: $

Hello, I apologize that I am cross posting here after getting no answer from my initial question on stack overflow <http://stackoverflow.com/questions/33492601/r-setoldclass-only-if-needed>. I should certainly have posted it first here.. I am using 3 packages: - xts - quantmod - 'myPackage' quantmod is creating a union class by doing: setOldClass("xts");

Given the following snippet.... m.nf.xts <- xts(rep(0, length(index(m.xts))), order.by=index(m.xts)) Does R know to cache the index(m.xts) or is it more efficient to say... m.i <- index(m.xts) m.nf.xts <- xts(rep(0, length(m.i)), order.by=index(m.i)) ? cheers Worik [[alternative HTML version deleted]]

Folks, I have some weekly dataseries that I convert to monthly xts (with yearmon indices), and obtain the two following extracts: > str(sig) An 'xts' object from Apr 1998 to Sep 1998 containing: Data: num [1:6, 1] 0.0083 0.2799 -0.2524 -0.0119 0.18 ... - attr(*, "dimnames")=List of 2 ..$ : NULL ..$ : chr "e1" Indexed by objects of class: [yearmon] TZ:

On 04/06/2016 07:58 PM, Joshua Ulrich wrote: > On Tue, Apr 5, 2016 at 9:17 PM, James Hirschorn > <james.hirschorn at hotmail.com> wrote: >> OpCl works on xts objects but not on quantmod.OHLC objects. Is this a bug? >> > Thanks for the minimal, reproducible example. > > Looks like a bug. There's no as.quantmod.OHLC.xts method, so the zoo > method is

Hi R programmers, I have stumbled across what seems a very simple problem. My goal is to create a xts time series object which contains vectors as values. In other words, I try to create something like this: 2009-01-01 => c('aa', 'bb', 'dd') ... 2010-02-01 => c('mm') I have figured out parts of separately. Here's what works (new xts time-series with

Hi all, I have a strange problem and rigth now I can't figure out a solution. Trying to calculate an ANOVA with one between subject factor (group) and one within (hemisphere). My dependent variable is source localization (data). My N = 25. My data.frame looks like this: > ML.dist.stack subj group hemisphere data 1 1 tin left 0.7460840 2 2 tin left