[R] savePlot() does not save plot with format set

2008-08-26 Thread Luis Ridao Cruz
R-help, Whenever I try to save a plot with "savePlot" the file is not stored in my hard disk with the selected format. Several formats are set and none of them works. I just get the file name with missing extension and it can't be open with programs like Paint and Microsoft Photo Editor Th only on

[R] Error: C stack usage is too close to the limit

2009-09-14 Thread Luis Ridao Cruz
R-help, I 'm trying to optimize a model to data using log-likelihoods but I encounter the following error message: > l= c(49.4, 57.7,64.8,70.9,78.7,86.6,88.3,91.6,99,115) > t=3:12 > fn <- function(params, l=l, t=t) { Linf <- params[1] k <- params[2]

[R] Oracle ODBC driver for Linux

2009-08-04 Thread Luis Ridao Cruz
R-help, I get the following error message when trying to connect to an Oracle database through R (2.8.1) under Linux (Ubuntu 9.04). > channel<-odbcConnect("magnus",uid="luisr",pwd="juanayzakarias") Warning messages: 1: In odbcDriverConnect(st, ...) : [RODBC] ERROR: state IM002, code 0, message

[R] RODBC package to connect to Oracle database Linux

2009-08-04 Thread Luis Ridao Cruz
t on this I would need also help as there is no example on Oracle drivers (just MySql, PostgreSQLt) Thanks in advance ---- Luis Ridao Cruz Faroe Marine Research Institute Nóatún 1, P.O. Box 3051 FO-110 Tórshavn Faroe Islands Tel : (+298

[R] cannot upgrade to R 2.9.1 in Ubuntu

2009-08-07 Thread Luis Ridao Cruz
R-help, At the moment the R version installed on my machine is 2.8.1. (Ubuntu 9.04) I wish to upgrade to R 2.9.1. I did: $ sudo apt-get upgrade ..but R is not upgraded although the "sources.list" file is updated with: deb http://cran.ii.uib.no/bin/linux/ubuntu jaunty/ When I run from the term

[R] Maximum likelihood estimation of parameters make no biological sense

2009-09-24 Thread Luis Ridao Cruz
R-help, I'm trying to estimate some parameters using the Maximum Likehood method. The model describes fish growth using a sigmoidal-type of curve: fn_w <- function(params) { Winf <- params[1] k <- params[2] t0 <- params[3] b <- params[4]

[R] Optim(...) estimate of stDev far too low

2009-09-30 Thread Luis Ridao Cruz
R-help, I'm just trying to find the ML (maximum likelihood) estimates of the mean and standard deviation of a set of observations: >xx=c(2.5,3.5,4,6,6.5,7.5) fn<-function(params,x=xx) { media<-params[1] st <-params[2] pdf=-sum(dnorm(log(xx),log(media),st,TRUE)) return(pdf) } optim(c(mu,stdev

[R] could not find function lapply<-

2009-12-08 Thread Luis Ridao Cruz
R-help, I have a list whose elements are data frames. I want to change the colnames attribute in each element of this list but an error message comes up: > lapply(LD_strataNew,function(x) dimnames(x)[[2]][-1]) <- as.roman(1:9)[-6] Error in lapply(LD_strataNew, function(x) dimnames(x)[[2]][-1]) <

[R] Sort a data frame according to romans

2009-12-08 Thread Luis Ridao Cruz
R-help, I have a data frame: > mydata strata nh NhWhfh 1 I 10 26 0.048 0.385 2 II 32 84 0.154 0.381 3 III 16 42 0.077 0.381 4 IV 4 11 0.020 0.364 5 V 10 26 0.048 0.385 7 VII 64 168 0.309 0.381 8VIII 49 129 0.237 0.380 9 IX 22 58 0.107 0.37

[R] R under Ubuntu

2009-05-26 Thread Luis Ridao Cruz
R-help, I have installed R under Ubuntu and I'm very new to a Linux distribution. To open an empty R session I just type R on the Terminal aplication. But how can I open a saved workspace? At present I just start R and then load ("my_workspace") but it must be possible to do it all at oncer

[R] rgdal package -- Error in installing package

2009-06-24 Thread Luis Ridao Cruz
R-help, I'm trying to install the rgdal package under Ubuntu but I get the following warning: > install.packages("rgdal") Warning in install.packages("rgdal", configure.args = "--with-gdal-modules=/usr/local/lib") : argument 'lib' is missing: using '/home/luisridaocruz/R/x86_64-pc-linux-gnu-

[R] Problem installing RODBC package under UBUNTU

2009-06-24 Thread Luis Ridao Cruz
R-help, I'm now on the process of installing RODBC on UBUNTU but an error occured. I copy-paste the output: > install.packages("RODBC") Warning in install.packages("RODBC") : argument 'lib' is missing: using '/home/luisridaocruz/R/x86_64-pc-linux-gnu-library/2.8' trying URL 'http://cran.ii.uib

[R] Unable to load an object

2010-06-11 Thread Luis Ridao Cruz
R-help, I seem not to get an object saved neither with ".RData" extension nor output via dput. Whenever I try to import the above object in another worspace I just get nothing. > geoFeatures <- load("geoFeatures.RData") > geoFeatures [1] "geoFeatures" The "geoFeatures.RData" workspace contain

[R] "remove.packages" gives error message

2008-04-02 Thread Luis Ridao Cruz
R-help, I'm trying to remove some packages with the command "remove.packages" but R 2.4.1 will come out with this: > remove.packages(pkgs="FLAssess", lib = "C:\\Program Files\\R\\R-2.4.1\\library\\FLAssess") Error in .find.package(pkgs, lib) : there is no package called 'FLAssess' Thanks in adv

[R] print " character

2007-11-20 Thread Luis Ridao Cruz
R-help, Sorry if this question has been discussed/posted before but I can't just find it myself. How can I print the comment character (") ? Thanks in advance __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do

[R] Fail to open R 2.6.1

2007-11-28 Thread Luis Ridao Cruz
R-help, I opened an R session ( R 2.6.0 on Windows) and got the following pop-up window: "This application has failed to start because tk84.dll was not found. Re-installing the application may fix the problem" I have now upgraded to R 2.6.1 but the same fatal error comes up. Can someone let me

[R] Fail to open R 2.6.1 - additional information

2007-11-28 Thread Luis Ridao Cruz
This is additional information to my previous email (pasted below) ## I opened an R session ( R 2.6.0 on Windows) and got the following pop-up window: ## "This application has failed to start because tk84.dll was not found. Re-installing the application may fix the problem" ## I have now upgr

[R] reduce the code used by "for"

2007-12-04 Thread Luis Ridao Cruz
R-help, I have a 3-way array: > dim(bugvinP) [1] 13 14 3 The array looks something like this (object trimmed for readability) , , slag = 1 ar 1994 1995 1996 1997 1998 1 NA 0.000 0.000 0.000 0.000 2 0.036 0.059 0.027 0.000 0.000 3 0.276 0.475 0.491 0.510 0.559 10 1.0

[R] Alternate looping

2009-01-06 Thread Luis Ridao Cruz
R-help, I'm using the "for" control flow to graph plots continuously: par(mfrow=c(3,5), mar=c(0.6,.2,1.2,.2),yaxt="n",xaxt="n") for(j in 1:11) { for(i in 1:15) { species <- spAldur[spAldur$ar == 1993+i & spAldur$aldur == j,] plot(spec...@coords[,1], spec...@coords[,2], xlim=c(-10,-3.5),

[R] distance betwenn axis and axis annotation

2009-02-18 Thread Luis Ridao Cruz
R-help, How can I specify the distance between the axis and axis annotation? Thanks in advance __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.htm

[R] set a legend with an "image" graph

2009-03-17 Thread Luis Ridao Cruz
R-help, I have an image plot and I wish to set a legend to it but I don't have an idea how to do it. Below it's the code line. image(yyy, col = rev(heat.colors(10)), axes = T) Thanks in advance. __ R-help@r-project.org mailing list https://stat.ethz.c

Re: [R] RES: set a legend with an "image" graph

2009-03-17 Thread Luis Ridao Cruz
R-help, I'm sorry that I said " I don't have idea ". What I mean t is that I just don't know how to set a legend when "image" is called. Thanks in advance __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do

[R] function code

2008-01-25 Thread Luis Ridao Cruz
R-help, Sorry for this question (I guess it has been addressed before but I could not find it in the archives) but how can I see a function code when the following comes up: > svymean function (x, design, na.rm = FALSE, ...) { .svycheck(design) UseMethod("svymean", design) } Thanks i

[R] shaded area graph and extra plot

2008-02-12 Thread Luis Ridao Cruz
R-help, I'm using the code below to plot a shaded area graph. At the same time I want to plot a second series on the y-axis (from par(new=T) on) but as the two series have different x-axis range (first 1994:2007 and second 1996:2007) the corresponding x's do not match. How can this be sorted ou

[R] sort a data frame according to roman characters

2008-02-12 Thread Luis Ridao Cruz
R-help, I have a data frame with one column containing roman numbers The data are not sorted as : III III IV VVI VII VIII IX XXI XII XIII XIV XV Using data[order(data$Roman),] does not do the job. How can this be done? Thanks in advance. __

[R] shaded area graph and extra plot

2008-02-14 Thread Luis Ridao Cruz
R-help, I'm using the code below to plot a shaded area graph. At the same time I want to plot a second series on the y-axis (from par(new=T) on) but as the two series have different x-axis range (first 1994:2007 and second 1996:2007) the corresponding x's do not match. How can this be sorted ou

[R] data manipulation

2008-02-29 Thread Luis Ridao Cruz
R-help, I have a data frame in which I compute maximum by rows and I wish to find out the column name at which this maximun occurs. Does anyone know how to do it? Thanks in advance __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/list

[R] equivalent of excel "sumif"

2008-03-04 Thread Luis Ridao Cruz
R-help, I have two data frames df1 and df2: >head(df1) lgdcm 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 0 0 0 0 0

[R] manipulating 3-way array

2007-10-18 Thread Luis Ridao Cruz
R-Help, I have a 3 dimensional array with dimensions: > dim(test) [1] 241 104 12 I copy-paste an example of the object > test[1:5,1:5,1:2] , , ar = 1996 slagnr puntar12 34 5 I1 60.30303 36.50610 0 0.0 0 I10 58.19512 35.48209 0 75.0 0 I11 0.

[R] Unable to save plot as ".pdf" , "ps" , "eps"

2007-11-15 Thread Luis Ridao Cruz
R-help, Whenever I try to save a plot with extension ".pdf" , "ps" or "eps" I get the following error/warning message: plot(rnorm(10)) savePlot("test",type="pdf") Error in savePlot("test", type = "pdf") : Invalid font type In addition: Warning messages: 1: In savePlot("test", type = "pdf") : f