similar to: Large data sets and aggregation

Displaying 20 results from an estimated 5000 matches similar to: "Large data sets and aggregation"

2005 Mar 17
1
"RMySQL for R 2.0.1"
Dear List, RMySQL is old and wouldn't install on R 2.0.1. How should the source be rewritten to be accepted by R 2.0.1. With thanks Fredrik Lundgren
2010 Mar 04
1
mysqlWriteTable . error in your SQL syntax?
Hi, Can somebody advice on weird mysqlWriteTable bug. > mysqlWriteTable(conn, 'comparison',design2, row.names = F, overwrite=T) Error in mysqlExecStatement(conn, statement, ...) : RS-DBI driver: (could not run statement: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '"condition"
2012 Nov 22
2
BibTeX entries in CITATION file
Dear List, While trying to define a customised CITATION file for a package, following R-exts, I realised that if I use only one 'citEntry' I got both a text description and a BibTex entry for the package, as for the 'nlme' package: -------------------------- citation('nlme') To cite package 'nlme' in publications use: Jose Pinheiro, Douglas Bates, Saikat
2002 Jun 06
4
R and mysql on debian
Hello, I have been using RODBC on Windows with version 1.41 of R successfully, connecting to a mysql database using MyODBC. Now I would like to do so with R under Debian/GNU Linux. I just tried RMySQL (install failed, since mysql libraries were not found), DBI (no MySQL driver available) and I can't find the RODBC package any more on CRAN. Any suggestions? Johannes Ranke P.S.: Thanks for
2003 Oct 09
1
An artifact of base being namespace
Function in the base library of R 1.8.0 seems to use a search path with base coming before the local environment. I think this is intentional and is related to base being a namespace. > log <- function(x, base) 200 > log(1) [1] 200 > log10 function (x) log(x, 10) <environment: namespace:base> > log10(1) [1] 0 > This is most problematic when you are creating a
1999 Nov 03
3
bug in Rdconvlib.pl converting to latex (PR#311)
If .../<pkg>/man/ contains a filename beginning with [, such as [.datetimes, Rdconvlib.pl cannot convert that help file into latex at INSTALL time. [Using --no-latex is a workaround.] The error given is: # R INSTALL ssCatalogues : help >>> Building/Updating help pages for package `ssCatalogues' Formats: text html latex example /^[.datetimes$/: unmatched [] in regexp at
2001 Mar 21
1
Is there any help for "Cannot allocate vector size of xxx KB"
Forgive me if this isn't relevant, but: are you stripping off the output you need (e.g., parameter estimates) and throwing away what you don't (e.g., residuals)? Reid Huntsinger -----Original Message----- From: Saikat DebRoy [mailto:saikat at stat.wisc.edu] Sent: Wednesday, March 21, 2001 12:15 PM To: Han Lai Cc: R-help Subject: Re: [R] Is there any help for "Cannot allocate vector
2012 May 31
1
anova of lme objects (model1, model2) gives different results depending on order of models
Hello- I understand that it's convention, when comparing two models using the anova function anova(model1, model2), to put the more "complicated" (for want of a better word) model as the second model. However, I'm using lme in the nlme package and I've found that the order of the models actually gives opposite results. I'm not sure if this is supposed to be the case
2008 Jan 03
2
confidence interval too small in nlme?
Hello, I am interested in using nlme to model repeated measurements, but I don't seem to get good CIs. With the code below I tried to generate data sets according to the model given by equations (1.4) and (1.5) on pages 7 and 8 of Pinheiro and Bates 2000 (having chosen values for beta, sigma.b and sigma similar to those estimated in the text). For each data set I used lme() to fit a model,
2008 Nov 24
1
FW: read.ssd
Did not seem to reach Saikat DebRoy, this might be the forum. Bendix -----Original Message----- From: BXC (Bendix Carstensen) Sent: 24. november 2008 15:00 To: 'saikat at stat.wisc.edu'; 'stvjc at channing.harvard.edu' Subject: read.ssd It's always annoyed me that that read.ssd crashed on datasets with long variable names, but the other day a collegue of mine pointed out to
2000 Feb 29
3
standing ovations
I think this is a moment to lean back from daily business, details or whatsoever and appreciate the impressive achievment of Ross, Robert and the R-core team. Incredible! They created an impressive and extremely useful software, for teaching, research and more. Besides these direct practical benefits, I think this project is more: it gives an outstanding example of international cooperation and
2002 May 08
1
Questions about S4 style methods and generics
I have some questions about S4 style methods and generics. First of all, is there any way of using default values for arguments in the generics/methods? My own experiments show that such arguments are always ignored. The green book seems to be silent on this matter. The second question is about using a non-trivial function body for generics. Page 351 of the green book gives an example of this
2005 Nov 02
1
NLME
Dear All, Using:- R : Copyright 2005, The R Foundation for Statistical Computing Version 2.1.1 (2005-06-20), ISBN 3-900051-07-0 and Jose Pinheiro, Douglas Bates, Saikat DebRoy and Deepayan Sarkar (2005). nlme: Linear and nonlinear mixed effects models. R package version 3.1-65. on a WINDOWS 2000 machine I am trying to run the scripts from the Mixed Models book and am running into some
2000 Dec 12
1
An SPSS save file for testing
Saikat DebRoy is working on a revised "foreign" package (currently in the src/contrib/Devel area on CRAN) that will include the ability to read the SPSS save format. Since we don't use SPSS we don't have easy access to a sample data set and have been using PSPP (see http://pspp.stat.wisc.edu/) to generate test data. It would be more realistic to have a small, redistributable
2005 Dec 15
1
bug?
> library(foreign) > da<-read.dta(file.choose()) > da startdat starttim enddate endtime days hoursmin secused 1 2005-01-11 2 2005-12-15 20.19 NA NA 9 > attributes(da) $datalabel [1] "Example of use of date and time functions" $time.stamp [1] "15 伿伄伓侢佋伮 2005 20" $names [1] "startdat" "starttim"
2000 Sep 24
2
Folding ?
Hi, I need to write a function that would look something like this: S <- function(b=betas){ expression(b[1] * f(b[2] * x * f(b[3] * x * f(...b[n-1] * x * f(b[n] * x)))...) } Where n is the number of element in b. Further I need to be able to evaluate S at some x numerically of course and I need to use "deriv" and produce dS/dx such that I can evaluate it also at some x. I
2000 Dec 18
1
error when loading nlme
Dear all, I try to load the nlme library for Linear and nonlinear mixed effects models by Jose Pinheiro, Douglas Bates and Saikat DebRoy but I get the following error message: > library(nls) > library(nlme) Error in dyn.load(x, as.logical(local), as.logical(now)) : unable to load shared library "C:\Program\R\rw1010/library/nlme/libs/nlme.dll": LoadLibrary failure: Det
2005 May 26
2
read.spss in R 2.1.0 & make basic dataframe
Recent changes to read.spss() in the foreign package return a dataframe containing additional attributes. For example, >TEMP<-read.spss(choose.files(), to.data.frame=T,use.value.labels=F) > str(TEMP) `data.frame': 780 obs. of 8 variables: $ EXPOS01: atomic 1 1 2 1 2 3 2 4 2 1 ... ..- attr(*, "value.labels")= Named num 5 4 3 2 1 .. ..- attr(*,
2008 Jul 15
2
Problem installing R on openSUSE 10.3
Dear All, I am trying to install R 2.7 on my openSUSE 10.3. I have faithfully followed instruction at http://cran.r-project.org/bin/linux/suse/ReadMe.txt. I have downloaded all the RPMs but still R complains about: libtcl8.4.so is needed by R-base-2.7.1-6.1.i586 I searched for this library and found a one, tcl-8.4.15-22.i586.rpm at openSUSE distribution site and installed. But R still complains
2004 Mar 21
1
Multilevel analysis with package lme
Dear list, i am a student of psychology and have to do a multilevelanalysis on some data. About that i have one general and one specific question. This is what i have copied from the help-file on lme: data(bdf) fm <- lme(langPOST ~ IQ.ver.cen + avg.IQ.ver.cen, data = bdf, random = ~ IQ.ver.cen | schoolNR) summary(fm) after summary(fm) i get the following error: