similar to: increase memory limit in R

Displaying 20 results from an estimated 7000 matches similar to: "increase memory limit in R"

2008 Oct 30
1
How to increase iteration limit for lmer()?
Dear R users: I am running lmer(), and I had the following warning message: "In mer_finalize(ans): iteration limit reached without convergence (9) What is the default limit for lmer()? And how do I increase the limit? Many thanks, Julia -- View this message in context: http://www.nabble.com/How-to-increase-iteration-limit-for-lmer%28%29--tp20252974p20252974.html Sent from the R help
2008 Oct 10
4
how to store lme/lmer fit result
Dear R users, I am building a hierarchical model on a large data set. It can take quite some time to finish one fit, I was just wondering whether it is possible to store the fit object (the result) to a file for later (offline) analysis. thanks Julia -- View this message in context: http://www.nabble.com/how-to-store-lme-lmer-fit-result-tp19910951p19910951.html Sent from the R help mailing
2009 Jul 21
4
how to transform m/d/yyyy to yyyymmdd?
Hello, I have a set of data that has a Date column looks like this: 12/9/2007 12/16/2007 1/1/2008 1/3/2008 1/12/2008 etc. I'd like the date to look something like the follow (so that I could sort by date easily). 20071209 20071216 20080101 20080103 20080112 How to do it? Thank you very much Julia -- View this message in context:
2008 Sep 11
3
Calculate mean/var by ID
Hello, I have a data set that looks like this. ID value 111 5 111 6 111 2 178 7 178 3 138 3 138 8 138 7 138 6 . . . I'd like to calculate the mean and var for each object identified by the ID. I can in theory just loop through the whole thing..., but is there a easier way/command which let me calculate the mean/var by ID? Thanks, Julia -- View this
2009 Jun 17
3
how to read in only some columns of a data file
Hello, I have a data file (.csv) that has a size of about 2.6 GB. I am not able to read in the whole data set because of the memory limit. I actually only need some columns (3 columns) of the data set, is there a way to read in specified columns? I am using windows. Thanks, Julia -- View this message in context:
2009 Jun 01
2
how to checking whether elements of a vector changed or not.
Hello, I have a vector: x <- c("A", "A", "A", "B", "A", "A", "C") I'd like to compare each of elements of vector x from its previous element (except for the 1st element which does not have previous element). So I'd like to get a vector y (of same length) that looks something like (0, 0, 0, 1, 1, 0, 1) or (F, F, F,
2009 Jan 12
3
roll weekly data to monthly level
Dear R users: I have a data set that looks something like this: ID time y 1 2/01/2008 4 1 2/09/2008 12 1 9/01/2008 8 2 1/06/2008 3 2 3/01/2008 4 2 3/09/2008 9 2 6/03/2008 4 3 1/02/2008 3 3 1/10/2008 8 3 2/02/2008 7 3 2/10/2008 3 I'd like to sum up the weekly data to the monthly level, so that it looks something
2009 Feb 11
3
two scatter plots in one
Dear R users, I need to compare two scatter plots, plot(x1, y1) plot(x2, y2) and would like to plot them in the same figure. How do I do it? Thank you. -- View this message in context: http://www.nabble.com/two-scatter-plots-in-one-tp21963375p21963375.html Sent from the R help mailing list archive at Nabble.com.
2008 Sep 30
1
Adding legends to a plot
Hello, I have a time series plot drawn using 3 different colored lines, each line corresponds to different category group. I'd like to put legends on the plot. I am using "legend" to do this, however, I can either specify lty or col in legend. Will I be able to do the following in the legend box: a solid black line then g1, a solid red line then g2, a solid blue line then g3?
2009 May 29
1
frequence of patterns in a vector
Dear R users, Suppose I have a vector that consists of characters like ABC, A02, RCA, etc., and there are about 700 of possible characters. For example, x <- c("ABC", "ABC", "ABC", "A02", "ABC", "RCA", "ABC", "ABC") I'd like to get a frequency matrix that looks something like this: ABC 6 A02 1 RCA 1 I
2009 Sep 24
1
multinormial runs tests?
Dear R users, I would like to test the randomness in a series of N values (N>=2). I know that runs.test works for dichotomous factor only: x <- rep(c(1,2), 50) runs.test(factor(x)) However it doesn't work for series that can take any N values (N>2): x <- rep(c(1,2,5,4),50) runs.test(factor(x)) Error in runs.test(factor(x)) : x does not contain dichotomous data Are there any R
2008 Oct 08
2
detect repeated number in a vector
Dear R users, I have this vector that consists numeric numbers. Is there a command that detects the repeated numbers in a vector and returns the index of the repeated numbers (or the actual numbers)? For example, v <- c(3,4,5,7,4). The command would return me index 2 and 5 (or the repeated number, 4). Thank you very much, Julia -- View this message in context:
2009 Jul 31
1
how to calculate time interval between dates
Dear R users: I have a vector of dates as follows: t <- c("2007-01-05", "2007-05-14", "2007-12-28", "2008-01-09", "2008-04-24", "2009-02-14") I'd like to calculate number of days between those dates (time interval). How to do it? Thank you, Julia -- View this message in context:
2008 Aug 21
0
How to increase the iteration limit in lmer
Hi, I have this message: Warning message: In mer_finalize(ans, verbose) : iteration limit reached without convergence (9) How to increase this limit? I try control=list(maxit=1000) I try maxIter and it dont work. Any idea Thanks Ronaldo -- Opportunities are usually disguised as hard work, so most people don't recognize them. -- > Prof. Ronaldo Reis J?nior | .''`.
2008 Aug 17
1
Allocated Memory Warnings in Vista 32 bit with 4 GB (PR#12557)
Hello I am running Windows Vista 32 with 4 GB (installed, though Windows of cours= e only recognizes 3326 MB, as reported by Windows "My Computer") I am running R 2.7.1 I was trying to read in a comma delimited single column CSV file, assign th= at file to a variable ("data") and then extract a sample (assigned to "part= ial"). I was getting memory allocation
2012 Feb 08
2
Memory allocation problem (again!)
Dear all, I know this problem was discussed many times in forum, however unfortunately I could not find any way out for my own problem. Here I am having Memory allocation problem while generating a lot of random number. Here is my description: > rnorm(50000*6000) Error: cannot allocate vector of size 2.2 Gb In addition: Warning messages: 1: In rnorm(50000 * 6000) : Reached total allocation
2012 Mar 02
3
Memory issue. XXXX
Hi everyone, Any ideas on troubleshooting this memory issue: > d1<-read.csv("arrears.csv") Error: cannot allocate vector of size 77.3 Mb In addition: Warning messages: 1: In class(data) <- "data.frame" : Reached total allocation of 1535Mb: see help(memory.size) 2: In class(data) <- "data.frame" : Reached total allocation of 1535Mb: see
2009 Jun 15
3
lack of memory for logistic regression in R?
Hi all, I am getting the following error message: > mymodel = glm(response ~ . , family=binomial, data=C); Error: cannot allocate vector of size 734.2 Mb In addition: Warning messages: 1: In array(0, c(n, n), list(levs, levs)) : Reached total allocation of 1535Mb: see help(memory.size) 2: In array(0, c(n, n), list(levs, levs)) : Reached total allocation of 1535Mb: see help(memory.size) 3:
2009 Nov 10
3
Error: cannot allocate vector of size...
I'm trying to import a table into R the file is about 700MB. Here's my first try: > DD<-read.table("01uklicsam-20070301.dat",header=TRUE) Error: cannot allocate vector of size 15.6 Mb In addition: Warning messages: 1: In scan(file, what, nmax, sep, dec, quote, skip, nlines, na.strings, : Reached total allocation of 1535Mb: see help(memory.size) 2: In scan(file, what,
2009 Apr 22
3
Merging data frames, or one column/vector with a data frame filling out empty rows with NA's
Hello I have two data frames, SNP4 and SNP1: > head(SNP4) Animal Marker Y 3213 194073197 P1001 0.021088 1295 194073197 P1002 0.021088 915 194073197 P1004 0.021088 2833 194073197 P1005 0.021088 1487 194073197 P1006 0.021088 1885 194073197 P1007 0.021088 > head(SNP1) Animal Marker x 3213 194073197 P1001 2 1295 194073197 P1002 1 915 194073197