similar to: who to rbind of a list of data.frames

Hello everybody, I found that queries (send by "dbExecStatement" ) with more than 4000 characters length produces an error in ROracle (ver 0.3-3). Maybe there is a limitation of 4kB.... Is this a bug? If yes, is this problem solved in the latest version of ROracle (ver 0.5-0)? My system information: platform sparc-sun-solaris2.8 arch sparc os solaris2.8

Hello everybody, Could anybody give me a hint how I can use "layout" and "filled.contour" (or "image" plot with a color legend) together, please? What I want to do is something like the following example (Two or more plots with a legend for each at one page): data(volcano) layout(matrix(1:2, 1, 2, byrow = TRUE)) for (i in 1:2) { filled.contour(i*volcano, color =

Hello everybody, is there a possibility to install and use multiple versions of a R library at the same time? A few words regarding the background of this question: If I change functions of an already developed package, I have to verify complex functions in a lot of R applications. So it would be useful to use different versions of a function/library and switch to the newer function/library

Dear R community, I tried to optimized my R code by using Rprof. In my R code I'm using MySQL database connections intensively. After a bunch of queries R fails with the following error message: Error in .Call("RS_MySQL_newConnection", drvId, con.params, groups, PACKAGE = .MySQLPkgName) : RS-DBI driver: (could not connect mylogin@mydatabase on dbname "myDB"

Hello everybody, if I try to (r)bind a number of large dataframes I run out of memory because R wastes memory and seems to "forget" to release memory. For example I have 10 files. Each file contains a large dataframe "ds" (3500 cols by 800 rows) which needs ~20 MB RAM if it is loaded as the only object. Now I try to bind all data frames to a large one and need more than

Hello everybody, could anybody give me a hint how to to use RMySQL and ROracle libraries at the same time without getting conflict with name spaces? Because it needs to much time, unloading and reloading the libraries is no solution... Example: ----------- snip ----------------- library(ROracle) library(RMySQL) mysql <- MySQL() con <- dbConnect(mysql, user=MySQL.name, password=MySQL.pwd,

Hello everybody, if I'm using par(xpd=NA) gridlines will plotted outside the plotting region. This is "new" (and, in my opinion, unaesthetic) in version 1.4 - compared to version 1.3. Is this a bug or a feature? Example: ------------------ par(xpd=NA) plot(1:11) grid() ------------------ platform sparc-sun-solaris2.6 arch sparc os solaris2.6

Hello everybody, if I'm running a R-script on a command line R-session which uses the function "try" and I'd like to interrupt the execution of my R-script pressing "CTRL-C" than R ignores the first "CTRL-C" key stroke and after I pressed "CTRL-C" second time R by itself is interrupted and I fall back to the (UNIX-) command prompt. Without using

Hello everybody, I have following string type and try to convert it to float: > a<-"20020104.123456" > str(as.numeric(a)) num 20020104 > str(as.real(a)) num 20020104 > str(as.double(a)) num 20020104 How can I get an float instead of an integer? How can I set the desired precision? Thanks in advance Lutz Thieme Lutz Thieme AMD Saxony Manfacturing GmbH Product

Hello everybody, is there a way to get the file name of the source file from which I read and execute my R code? In other words: If I'm executing "source('myRfile.r')" I'd like to have a statement inside myRfile.r like "src.file<-$0" (in unix csh style) which assigns th variable src.file to 'myRfile.r' . Thanks in advance! Best regards, Lutz

Hello everybody, is there an easy way to plot boxplot with weighted data (without multiplieing my data)? Thank's in advance Kind regards, Lutz Lutz Thieme Product Engineering AMD - Saxony Manufacturing GmbH phone: + 49-351-277 - 4269 fax: + 49-351-277-9-4269 -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing list -- Read

Hello everybody, I'm looking for a library or function to calculate a workweek from a given date, but I didn't found it. Could anybody help, please? Thank you in advance! Best regards, Lutz Thieme -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send "info",

Hi, Is it possible to add a subtitle that appears directly below the main title? I tried the "sub" parameter, but it adds sub-title to the bottom of the plot. Cheers, Kevin ------------------------------------------------------------------------------ Ko-Kang Kevin Wang Postgraduate PGDipSci Student Department of Statistics University of Auckland New Zealand Homepage:

Hello everybody, often I plot boxplots with different number of boxes (up to 200 boxes). I'd like to give every box a readable label on the x-axis. Therefore, I decrease the fontsize of the names and plot them vertical. But if you zoom into the plot (pdf) you will find an offset between the tickmark and the label - the label is shifted to the right. If you vary the box.count in the

I checked my entire setup again and again. Now I can see the my share. The most relevant change I did (afaik - ofcourse): - since I am using ad backend I created dedicated unix admin groups (as recommended in the docs) - I removed the $ from the share section/defnition ([projects$] -> [projects]) - I changed browseable switch from 'no' to 'yes' Iam still getting the "event

Hi, I have the following problem. It has two parts. 1. I need to calculate the stationary probabilities of a Markov chain, eg if the transition matrix is P, I need x such that xP = x in other words, the left eigenvectors of P which have an eigenvalue of one. Currently I am using eigen(t(P)) and then pick out the vectors I need. However, this seems to be an overkill (I only need a single

Hi all, Running simulations, I'm generating market response to 2 factors X&Y.. There is no closed form for the market response.. The results are store in a matrix Z(X <- seq(.02,.98,.02), Y <- seq(.01,.19,.01)).. For optmization purpose I need to approximate the values for any factor X in 0,02-0,98 and Y in 0,01-0,19 How can I do it ? For one factor : Xn-1 < x <= Xn

Hi to all, how could I to rotate automatically a data sheet which was imported by read.xls? x1 x2 x3 .... xn y1 1 4 7 ... xn/y1 y2 2 5 8 .... xn/y2 y3 3 6 9 ....xn/y2 yn ... ... ... Xn/Yn to y1 y2 y3 .... yn x1 1 2 3 ..... Yn/x1 x2 4 5 6 .... Yn/x2 x3 7 8 9 .... Yn/x2 xn ... ... ... ..... Yn/xn Kind regards Knut

The programming language mosml comes with foldr that 'accumulates' a function f over a list [x1,x2,...,xn] with initial value b as follows foldr f b [x1,x2,...,xn] = f(x1,...,f(xn-1,f(xn,b))...) Observe that "list" should have same elements so in R terminology it would perhaps be appropriate to say that the accumulation takes place over a 'vector'. I wonder if R

Hi! I am resending the following message about problems with utmp handling. * In the meantime I had some request in private mail from people asking whether I have new information. * The problem is still persistant in 2.9p2. * My own new investigations show, that the problem only appears with protocol 2, not with protocol 1, I therefore only started to note it when protocol 2 became the