similar to: Package with multiple shared libraries

Displaying 20 results from an estimated 2000 matches similar to: "Package with multiple shared libraries"

2010 Dec 07
3
How to find out if a data frame has automatic row names?
Hi all, I just stumbled across the difference between explicit and 'automatic' row names for data frames. Is there a quick way to find out if a data frame has automatic row names or not? Of course I know this for data frames that I create myself, but what if a function needs to extract this information for an argument? The following example shows that this property is not easily
2011 Feb 21
1
Problem with documentation of user-defined operator (S4 method)
Dear list members, I have defined a binary operator %append% with methods for some S4 classes. In my documentation file, I want to list the methods explicitly by using e.g.: \S4method{\%append\%}{RecLinkData,RecLinkData}(x, y) In the HTML documentation this comes out right as ## S4 method for signature 'RecLinkResult,RecLinkResult' x %append% y , but R CMD check
2011 Mar 11
2
Using missing() in a S4 method with extra arguments
Hi all, I have a function which makes use of missing() to determine which arguments are provided in the call - basically, there are two sets of arguments that map to different strategies the function uses to fulfill its task. After conversion to an S4 generic I've run into the problem that if a method uses extra arguments that are not in the signature of the generic, usage of missing()
2011 May 03
1
[R] Sweave stops when opening X11 device fails
Hi all, I am posting this again because I got no reply on r-help. Maybe the devel-list is the right place for this kind of question. I've run into the following problem with Sweave: I frequently run Sweave from a xterm console within an X session owned by a different user, i.e. my colleague is logged in on this computer and I do "su" with my username and start R and Sweave
2011 Mar 15
2
Feature request: txtProgressBar with ability to write to arbitrary stream
Hi all, I use txtProgressBar to monitor progress of large computations. What I miss is the ability to redirect the progress bar to a stream other than stdout, specifically to the message stream. This would be useful for running Sweave scripts: When redirected to stderr, the bar could be visible even though console output is diverted to the output file (and there would be no cluttering of the
2011 Jul 14
0
Gui editor / viewer for large data
Dear all, I am searching for a possibility to view large data sets (e.g. stored in ffdf objects) in a GUI window in a memory-efficient way. So far I looked at gtkDfEdit (package RGtk2Extras) and gdf (package gWidgets). Both operate (as far as I can see) on data frames stored in memory. gtkDfEdit accepts an ff data frame as input, but there is a long delay before it shows up, so I presume the
2011 Apr 20
0
Sweave stops when opening X11 device fails
Hi all, I've run into the following problem with Sweave: I frequently run Sweave from a xterm console within an X session owned by a different user, i.e. my colleague is logged in on this computer and I do "su" with my username and start R and Sweave afterwards. Now, when Sweave comes to a figure chunk, it sees that there is an X server running and tries to show whatever I plot
2010 Jan 18
0
Fix for bug in match()
Hello all, I posted the following bug last week: # These calls work correctly: match(c("A", "B", "C"), c("A","C"), incomparables=NA) # okay match(c("A", "B", "C"), "A") # okay match("A", c("A", "B"), incomparables=NA) # okay # This one causes R to hang: match(c("A",
2010 Nov 23
0
read.table / type.convert: Unexpected column class
Hi all, I stumbled across the following, in my opinion surprising, behaviour of read.table: > data <- read.table(stdin(), sep=",") 0: 1, 2, 3 # Some comment 1: > sapply(data, class) V1 V2 V3 "integer" "integer" "numeric" I was surprised to find that V3 has class "numeric" despite its apparent integer value. I
2009 Dec 07
0
Sweave, cacheSweave, and data frame
It's been a while since this thread appeared, but I had the same problem and don't want to keep the solution for myself. A small, reproducible example: <<cache=true>>= a=1 @ <<>>= a+1 @ Compiling with cacheSweave gives an error: > library(cacheSweave) Lade n?tiges Paket: filehash filehash: Simple key-value database (2.0-1 2008-12-19) Lade n?tiges Paket:
2011 Jul 13
1
How to remove last 3 letters
Hello to everybody I have vector of drug dosage in string format 1.5 mg , 50 mg , 100 mg , 0.5 mg ... The task is to remove last free symbols: ' mg' Any suggestions are highly appreciated
2011 Mar 31
1
Assign Names of columns in data.frame dinamically
Hello List. I have many files of ECG, each one with 7 column and I need only the second column and the name of each ECG. I am doing this but althought I have various days trying this i haven't gotten, so I ask help with this, if somebody cans help me I'll be so thankfully. --------------------------------------------------------------------------------------------------------
2011 Apr 19
1
Where did my packages go ?
Running linux 10.04 ubuntu. Looks like Ubuntu automatically updated to version 2.13. I was running version 2.12 until today. But now I'm getting error messages when I use the require or library command and one of the packages I've downloaded in the past. For example: > require(quantmod) Loading required package: quantmod Warning message: In library(package, lib.loc = lib.loc,
2011 Apr 20
2
user input
Dear users, I have looked on different sources and found different functions to prompt the user to provide input. However, I couldn't find one that does exactly what I'm looking for. select.list() and menu() are nice because a graphic window appears to prompt the user. However, the user can only choose from a predefined list of choices. readline() and scan() are more free in the
2011 Apr 09
1
How do I make this faster?
I was on vacation the last week and wrote some code to run a 500-day correlation between the Nasdaq tracking stock (QQQ) and 191 currency pairs for 500 days. The initial run took 9 hours(!) and I'd like to make it faster. So, I'm including my code below, in hopes that somebody will be able to figure out how to make it faster, either through parallelisation, or by making changes. I've
2011 Apr 08
3
random sampling with levels and with replacement
Dear all, i have a dataset of about 400 records , with a variable that has  two levels 40 bad and 360 good among other variables,how do i come up  with10 random samples that have the composition of as the main sample  but maintaining the 40 bad 360 good with replacement, i recently discovered that my random samples generated dont maintain the ratio. My code is as  : mysample <-
2011 Jan 04
2
RSQLite to input dataframe
Dear r helpers, At first, I apologize for raising a query which seems to be a stupid interpretation on my part. I am trying to learn SQLite. Following is an example given in the RSQLite.zip file (Page # 4) drv <- dbDriver("SQLite") tfile <- tempfile() con <- dbConnect(drv, dbname = tfile) data(USArrests) dbWriteTable(con, "arrests", USArrests) On the similar
2011 May 31
3
Compiling C-code in Windows
Hello ALL! I am an Linux user (Debian testing i386), with very dusty Win-experience. Nevertheless, my colleagues and I are making some package in R, and I built C-routines to speed up things. I followed instruction how to compile C for R (very useful link: http://www.stat.lsa.umich.edu/~yizwang/software/maxLinear/noteonR.html, and links listed there). Everything works like a charm in Linux. I
2011 Apr 05
1
super basic questions about S4 classes
Apologies for asking something that is probably super obvious, i just started with S4 classes and i guess i am not finding documentation that layout the grammar rules and give enough examples. Some questions i am having are these 1. I understand that main method of writing a member function is to write a generic function and setMethod for this particular object. This, however, presumes that there
2011 Dec 02
2
help in dbWriteTable
hi I need some help in dbWriteTable. I'm not able to insert the rows in the table if the column order are not same in the database and in the dataframe which i'm inserting. Also facing issue if the table is already created externally and inserting it thru dbWrite. is there some way that we can sepecify the rownames in the dbwrite..or any method which will solve my problem -- View