Re: [R] Fastest way to extract rows of smaller matrix many times by index to make larger matrix? and multiply columsn of matrix by vector

ing it at all if you fold V2 into a matrix instead. Did you mean to use > matrix multiplication in your calculation of M3? > > On September 13, 2021 11:48:48 PM PDT, nevil amos > wrote: > >Hi is there a faster way to "extract" rows of a matrix many times to for a > &g

[R] Fastest way to extract rows of smaller matrix many times by index to make larger matrix? and multiply columsn of matrix by vector

-(microbenchmark( M2<-M[V,], M3<-M2*V2, times=5,unit = "ms")) thanks for any suggestions Nevil Amos [[alternative HTML version deleted]] __ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see https://stat.ethz.ch/ma

[R] shinyFiles update shinySaveButton filename varaible from server

Is it possible to update the filename variable the shinySaveButton from the server? I want to provide a default filename based on a series of choices that the user has made in the app ( here I have just made a random string to serve the purpose. how do I feed output$defaultname so that shinySa

[R] setting wd to parent directory ("..") of rmd file for all chunks of .Rmd

just to demonstrate the result. There is no change in the directory. How do I change the working directory ? thanks nevil Amos [[alternative HTML version deleted]] __ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see https://

[R] using aws.s3::s3 sync to dowlaod files from public s3 Bucket without credentials?

t; message. Should it be possible to "see" and use Sys.setenv("AWS_DEFAULT_REGION" =MYDEFAULTREGION) aws.s3::s3sync (path ="./", bucket=MYBUCKETNAME,check_region = F,direction = "download") to download the bucket contents without providing a keypair where both b

Re: [R] Plot_ly bar plots - bars span sevral x values when there are missing values.

Hi Rasmus, thanks for that suggestion. It does indeed fix the column widths in this example. the reason it does this is becuase it means that the additonal 0 values added result in values for two adjacent columns. so if adjacent columns are present the "correct" column width is maintained df[c(

[R] Plot_ly bar plots - bars span sevral x values when there are missing values.

I need to plot a number of bar charts as part of a shiny app. I am using ploty ly x and y values are both numeric x being consecutive integer values. there are often missing values in the data I wish to plot - each plot needs to have a fixed x range. When there are more than a few missing valu

Re: [R] [R-sig-Geo] raster::levels() not working in packaged function.

mport(raster) > > or > > importFrom("raster", "levels") > > in the package NAMESPACE would help. > > Cheers, > > Marcelino > > El 31/10/2020 a las 13:24, nevil amos escribió: > > Apologies, I cannot see how to make a rero for this issu

[R] raster::levels() not working in packaged function.

bject from 'namespace:raster' I have also tried just using levels(r) and putting raster as a depends rather than an import in the DESCRIPTION file for the package, this does not solve the error. Any suggestions on how to overcome the problem? many thanks Nevil Amos

[R] Return filematrix column by column names instead of column index?

n? FM[,grep("one",colnames(FM))] FM[,c(grep("one",colnames(FM)),grep("three",colnames(FM)))] many thanks for any suggestions Nevil Amos [[alternative HTML version deleted]] __ R-help@r-project.org mailing list --

[R] aws.s3::s3sync Error in curl::curl_fetch_disk(url, x$path, handle = handle) : Failed to open file

trying to sync are under the s3 prefix FAME_FMR which is the only top level "directory" in the bucket Have I missed a setting? If not any suggestions on this error? thanks Nevil Amos library(aws.s3) Sys.setenv("AWS_ACCESS_KEY_ID" = "x",

[R] disk.frame change default directory that disk.frames are saved in?

I would like to change the default directory within which all disk frames are saved to a directory on an SSD, which is not the drive there the r tempdir is located. for example instead of saving all disk.frames in tempdir the are all saved in ./media/SSDdrive/DF? Thanks [[alternative H

Re: [R] repeat rows of matrix by number (k) in one colummatrix adding column j with values 1:k

e(M[,4]) MOut<-cbind(MOut,j) colnames(Mout)<-c("x","y","z","j") })) On Wed, 1 Apr 2020 at 13:42, nevil amos wrote: > Well, > I found a way to do it partly using rep(), and one loop that makes it 10x > or more faster however would still be

Re: [R] repeat rows of matrix by number (k) in one colummatrix adding column j with values 1:k

rep(1:nrow(M), times = M[,4]), ] for(i in M[,4])(j<-c(j,1:i)) MOut<-cbind(MOut,j) colnames(Mout)<-c("x","y","z","j") })) On Wed, 1 Apr 2020 at 12:18, nevil amos wrote: > Hi > > I can achieve this using two for loops but it is slow I ne

[R] repeat rows of matrix by number (k) in one colummatrix adding column j with values 1:k

his is very slow ( example below) #How do I acheive this quickly without loops? Mout<-NULL for(i in 1:nrow(M)){ a=M[i,c("x","y","z")] for (j in 1:M[i,"k"]){ b=c(a,j) Mout<-rbind(Mout,b) } } colnames(Mout)[4]<-"j" print(Mout)

[R] Cannot view custom tiles made in package tiler in r leaflet - either locally or from github pages server.

I wish to create tiled version of a large number of custom rasters for viewing in shiny/leaflet apps ( to speed viewing of rasters) I have produced tiles using package tiler, these can be viewed in the preview.html, but when uploaded to github pages as described in the introduction to tiler they

[R] reg expr that retains only bracketed text from strings

t;) substring(mystrings, regexpr("\\(|\\)", mystrings)) #this returns the whole string if there are no brackets. [1] "ABC" "(B)C" "(C)" # my desired desired output: #[1] "" "(B)" "(C)" many thanks for any suggestions Nevil Amos

[R] profvis function parse_rprof not being loaded

I have loaded the profvis library but the function parse_ rprof() is absent. below is the session info show the absence of the function ( which is listed in the package help for the current version.) Documentation for package ‘profvis’ version 0.3.5 DESCRIPTION file. Help Pages parse_rprof P

[R] Mapedit::selectMap in shiny map.

I would like to select polygons from an existing spatial polygon data set interactively in a shiny leaflet map. The process is straightforward in leaflet/ mapedit, however I need to include the procedure in a shiny app map interface. I cannot work out how to incorporate the selectMap() in the shiny

[R] Identifying attributes of specific foreach task on error.

there is a problem with the input or output file name, but I cannot determine which file it refers to. cheers Nevil Amos [[alternative HTML version deleted]] __ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see https://stat.ethz.

Re: [R] clusterR (fun=aggregate) error "number of items to replace is not a multiple of replacement length"

Apoligies. did not read help properly it states: "Among other functions, it does _not_ work with ... (dis)aggregate" On Mon, Apr 20, 2015 at 4:54 PM, nevil amos wrote: > I am getting the above error with clusterR and aggregate: > > works fine without parralell: > > li

[R] clusterR (fun=aggregate) error "number of items to replace is not a multiple of replacement length"

I am getting the above error with clusterR and aggregate: works fine without parralell: library(raster) r<-raster(matrix(data = sample(c(1:10,NA),1,replace=T),100,100),xmn=0, xmx=1000,ymn=0,ymx=1000) beginCluster() Parr_agg<-clusterR(r,fun=aggregate,args=list(fact=3,fun=modal,expand=TRUE,na.

[R] How to run sequential Rscript command for windows command line with a batch file.

Hi, I need to run multiple iterations of a script to which I am supplying a single numeric argument I can open the command prompt window and enter a single command: "C:\Program Files\R\R-3.1.0\bin\x64\Rscript.exe" myScript.R.R 18 and it runs OK and saves the outputs. Similarly if I run the same

[R] Return "TRUE" only for first match of values between matrix and vector.

I wish to return " True" in a matrix for only the first match of a value per row where the value equals that in a vector with the same number of values as rosw in the matrix eg: A<-matrix(c(2,3,2,1,1,2,NA,NA,NA,5,1,0,5,5,5),5,3) B<-c(2,1,NA,1,5) desired result: [,1] [,2] [,3] [1,] TRUE FA

Re: [R] return the name of source.

Thanks this does it: script.name <- basename(sys.frame(1)$ofile) On Tue, Aug 27, 2013 at 4:07 PM, Henrik Bengtsson wrote: > See findSourceTraceback() of R.utils. /Henrik > > On Mon, Aug 26, 2013 at 10:58 PM, peter dalgaard wrote: > > > > On Aug 27, 2013, at

[R] return the name of source.

Is there a fuction that will allow me to retrun the filename for a script from within that script. fir instance If I have a script "myscript.r": FileName<-unknown.fucntion() print(FileName) and run it source("myscript.r") will return "myscript.r" Thanks

[R] return output to console for copying as input

I want to print a vector of strings to the console formatted as if it were input X<-c("a","b","c") > X [1] "a" "b" "c" what I would like to get is the.function(X) >"a","b",&

Re: [R] Problem i9ncreasing memory to jvm for XLConnect

you should be able to use > options( java.parameters = "-Xmx4g" ) > unless you love multiplying by 1024 :) > > > > > > On Tue, Jun 11, 2013 at 3:21 AM, nevil amos wrote: > >> I am using some r scripts to reformat a large data set that needs to be >>

[R] Problem i9ncreasing memory to jvm for XLConnect

I am using some r scripts to reformat a large data set that needs to be saved into xls format. I am getting the “Out of Memory Error (Java)” despite having set a large memory in the first line of the script ( on opening R and before loading any libraries) I am using R version 2.15.2 (2012-10-2

[R] merge without NA last

vent NA c=values being sorted to last - I need to retain values in position. thanks Nevil Amos [[alternative HTML version deleted]] __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting gu

[R] Default for boot in mantel{ecodist} was Re: Size of subsample in ecodist mantel()

% 0.1396906 0.001 1.000 0.001 0.1005011 0.1805416 many thanks Nevil Amos [[alternative HTML version deleted]] __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide

Re: [R] Size of subsample in ecodist mantel()

0.001 1.000 0.001 0.1005011 0.1805416 What is the default for pboot? this does not appear to be dealt with in help for mantel On Thu, Jun 28, 2012 at 8:35 PM, Sarah Goslee wrote: > You can set it using the pboot argument. > > Sarah > > > On Thursday, June 28, 2

[R] Size of subsample in ecodist mantel()

What is the size of the boostrapped subsample in ecodist mantel() thanks [[alternative HTML version deleted]] __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-proje

[R] VEGAN ordistep, stepwise model selection in CCA - familywise error correction.

correlated variables in the model selection process? -- Nevil Amos Molecular Ecology Research Group Australian Centre for Biodiversity Monash University CLAYTON VIC 3800 Australia [[alternative HTML version deleted]] __ R-help@r-project.org mailing

Re: [R] removing only rows/columns with "na" value from square ( symmetrical ) matrix.

You either need to rethink what you want to do or clarify your statement of >> it. >> >> -- Bert >> >> On Sun, May 20, 2012 at 7:17 AM, Nevil Amos wrote: >>> I have some square matrices with na values in corresponding rows and >>> columns. >>&g

[R] removeing only rows/columns with "na" value from square ( symmetrical ) matrix.

what I want. thanks -- Nevil Amos Molecular Ecology Research Group Australian Centre for Biodiversity Monash University CLAYTON VIC 3800 Australia [[alternative HTML version deleted]] __ R-help@r-project.org mailing list https://stat.ethz.ch/mailma

[R] How to remove $ (Dollar sign) from string

; is an unrecognized escape in character string starting "\$" > sub(\$,"","ABC$DEF") Error: unexpected input in "sub(\" Thanks -- Nevil Amos Molecular Ecology Research Group Australian Centre for Biodiversity Monash University CLAYTON VIC 3800 Australia

[R] Terms with zero variance included in ordistep best model?

d in the final model? thanks Nevil Amos > myOrdistepBoth Call: rda(formula = mygenind@tab ~ mds3dCS_NULL + mds3dTRE_25_2_CS25 + mydata$LAT.x + mydata$Hab_Config + mds3dTRE_25_100_CS25 + mydata$TreeCov + mydata$Site_No + mds3dSFW_EO_100_CS25 + mds3dSFW_EO_5000_CS25 + mydata$Landscape + mds3d

[R] Extracting part of anova.cca()

3 3.658 1.4785 99 0.01 ** > Residual 139 114.644 Is this possible? what is the syntax? I have looked at str(myAnova) but cannot see how to get the table with variable names included Many thanks Nevil Amos _

[R] replacing "+" in string

us",X) [1] "plusone + two" > X<-"one ~ two" it seems to work fine with other characters: > sub("~","plus",X) [1] "one plus two" How do I enable "+" to be recognised as a normal character? thanks Nevil Amos

[R] DEMEtics expected run time for calculating DEST CI

I might expect hours to days. Have I got a setting wrong somewhere? D.Jost(filename=spp,object=T,format.table=T) many thanks Nevil Amos __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting

Re: [R] Vegan(ordistep) error: Error in if (aod[1, 5] <= Pin) { : missing value where TRUE/FALSE needed

(eval(expr, pf)) at #55 2: evalVis(expr) at #55 1: capture.output(ordistep(myrda0, scope = formula(myrda1), direction = "both", Pin = 0.05, Pout = 0.1)) at #55 Cheers Nevil Amos > > Nevil Amos monash.edu> writes: > >> >> I am getting the following erro

[R] Vegan(ordistep) error: Error in if (aod[1, 5] <= Pin) { : missing value where TRUE/FALSE needed

PC3 PC4 PC5 PC6 PC7 PC8 0.16008 0.14733 0.12183 0.09054 0.07380 0.06971 0.05578 0.04215 (Showed only 8 of all 29 unconstrained eigenvalues) -- Nevil Amos Molecular Ecology Research Group Australian Centre for Biodiversity Monash University CLAYTON VIC 3800 Austr

[R] Error message in vegan ordistep

there are several pcnm's in the rhs of the formula. thanks for any pointers that may allow me to track down the cause of the error. Nevil Amos Error in if (aod[1, 5] <= Pin) { : missing value where TRUE/FALSE needed In addition: There were 50 or more warnings (use warnings() to see the

[R] partial mantel tests in ecodist with intential NA values.

eturning a "matrix is not square error. is it possible to perform this test in ecodist? many thanks Nevil Amos > library(ecodist) > library(ncf) > x<-sample(1:1000,20) > y<-sample(1:1000,20) > z<-sample(1:1000,20) > M1<-as.matrix( distance(x)) > M2 <-a

[R] How to plot CI's (llim ulim) on ecodist mgram

12,] 86.711262108 -0.334465576 0.001 -0.35500933 -0.309763543 [13,] 94.251371 43 -0.238965642 0.001 -0.26437371 -0.196038662 $resids [1] NA attr(,"class") [1] "mgram" Thanks Nevil Amos __ R-help@r-project.org mailing list htt

[R] How to format Rsuperscript 2 followed by = value

aste(expression(R^2),"=",round(summary(mylm)$r.squared,3)),3) thanks Nevil Amos __ 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.html and pro

[R] How to format R superscript 2 followed by "=" value

aste(expression(R^2),"=",round(summary(mylm)$r.squared,3)),3) thanks Nevil Amos __ 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.html and pro

[R] how to get xlab and ylab in bold?

A very basic query This code plots OK the axis values are in bold but the axis labels are not. how do I get them in bold too? thanks Nevil Amos plot(c(1,1),xlim=c(0,450),ylim=c(0.7,1.4),xlab="Distance (cells) from edge of grid",ylab="Resistance distance", type="

[R] lm.fit error in scatterplot matrix

I am getting the following error: Error in lm.fit(x, y, offset = offset, singular.ok = singular.ok, ...) : 0 (non-NA) cases when running the command scatterplotMatrix(~THL+WL+BD+TL+Mass|SEX_,by.group=TRUE,plot.points=T,smooth=F,main=spp,) it works fine without the "by group" option I assume

[R] How to add label to lines()

I am plotting a number of lines on a standard plot. I would like to add labels at the end (rhs) of each line. is there a way to do this other than defining the individual xy coordinates and placing each label using text() Thanks Nevil Amos __ R

[R] how to assemble data frame of unknown number of columns in loop

How do I assemble ad data fame, consisting of columns form other data frames identified in a loop? cbind is not working as the initial data fame has 0 columns and rows. > ModList<-dir("./MODEL_DISTS/") > ModList<-ModList[grep(pattern="3COLUMNS",ModList)] > ALL_MODELS<-data.frame() > for (i in

Re: [R] how to keep keep matching column in output of merge

(id1 = c(NA, "a", "d", "c"), y=c(101, 102, 103, 104)) merge(x, y) id x y 1 a 1 102 2 b 2 101 3 c 3 104 4 d 4 103 Sarah On Tue, Jan 4, 2011 at 8:31 AM, Nevil Amos wrote: How do I keep the linking column[s] in a merge()?

[R] how to keep keep matching column in output of merge

How do I keep the linking column[s] in a merge()? I need to use the values again in a further merge. thanks Nevil Amos __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R

[R] Change legend position in s.value {ade4}

How do I change the postion of the legend in s.value {ade4} from the defaul , bootom left? thanks Nevil Amos __ 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

[R] how to change number of characters per line for print() to sink()?

I am using r to read and reformat data that is then saved to a text file using sink(), the file has a number of initial lines of comments and summary data followed by print of a data.frame with no row names. for example a<-c(100:120) b<-c(rnorm(100:120)) c<-c(rnorm(200:220)) mydata<-data.frame(

[R] filling large matrix( or dist object) with values from small matrix.

st(c("A","B","C","D","A","B","C","D"),c("A","B","C","D","A","B","C","D"))) for (r in 1:nrow(N)){ for (c in 1:(ncol(N))){ N[r,c]=M[rownames(N)[

[R] how to find names referring to "parts" of an R object. particlualry w.r.t capscale

such components of all objects. at the moment I would like to be able to extract the variance, p value etc for a capscle to tabulate the automatically but would also like to know if the re is a simple way to establish the way to refer to all individual sub parts of a object? thanks Nevil

[R] NA handling problem in capscale (vegan)

below. library(vegan) mydist<- matrix(1:25, 5, 5) mydata<-matrix(rnorm(1:25),5,5) mydata[3,1]<-NA mydata<-data.frame(mydata) capscale(mydist~X1+X2+Condition(X3),data=mydata,na.action = na.omit) Thanks Nevil Amos __ R-help@r-project.org mailin

[R] repeatability/intraclass with nested levels

doing this with icc{irr} or using an anova approach, but I am unclear how to acheive this given that there is a nested structure- the value varies between wavelengths within individuals. Many thanks Nevil Amos data is structured thus: > ANWC_NO Wavelength Repeatvalue > 1

[R] conditioning variables in dbRDA

I am using cascaple() in vegan, is it permissible to have more than one conditioning variable thus capscale(DIST~varaible1+variable2+Conditon(varaible3+variable4), data=mydata) many thanks Nevil Amos __ R-help@r-project.org mailing list https

Re: [R] partial dbRDA or CCA with two distance objects in Vegan.

On 22/09/2010 1:34 AM, Jari Oksanen wrote: On 21/09/10 17:40 PM, "Nevil Amos" wrote: I am trying to use the cca/rda/capscale functions in vegan to analyse genetic distance data ( provided as a dist object calculated using dist.genpop in package adegenet) with geographic distanc

[R] partial dbRDA or CCA with two distance objects in Vegan.

& Anderson 1999)") and whether this test is indeed equivalent to the approach suggested by Legendre &Fortin, (Geffen et al used DISTLM). many thanks Nevil Amos ACB Monash University references (Geffen, E., M. J. Anderson, et al. (2004). "Climate and habitat barriers to dis

[R] how to un-crosstabulate data without changing numeric values to text?

39" "300" "0.012529" row "39239" "300" "0.005632" row "39239" "302" "0.004924" > mean(y$VALUE) Error in y$VALUE : $ operator is invalid for atomic vectors how do I get the data arranged in three

[R] mapproject Lambert in metres

lattidudes are south ie negative) Many thanks Nevil Amos Monash University LONGLAT is a headerless two column file of longitude and latitude such as 141 -32 142 -35 136 -20 ## load packages require(mapproj) require(maps) ## read raw data coord.lonlat <- LONGLAT ## convert (Lon,Lat) coordina

Re: [R] How to output text to sink from data frame line by line without column names

OK I see how to remove the line numbers[1] etc by using cat instead of print, but cannot work out how to remove the column names from the data frame output On 13/06/2010 4:21 PM, Nevil Amos wrote: I want to output a text file assembeld from various soruces within r ( actually as a genepop

[R] How to output text to sink without initial line number [1], and data frame line by line without column names

col2 col3 C 566 what I would like in test.txt is: "I will be including text of various sorts in this file so cannot use print table or similar command" col1 col2 col3 a 234 B 44 C 566 Many thanks Nevil Amos __ R-help@r-project.o

[R] How to get a list of subdirectories in the wd?

How do I get a list of subdirectories only, not files, in a directory dir.create("test") setwd("test") dir.create("adir") dir.create("bdir") file.create("afile") dir() returns [1] "adir" "afile&

[R] Printing page nmbers in multi-page pdf

Is it possible to print page numbers in pdf() with multiple pages? thanks Nevil Amos __ 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.html and

[R] warning In fun(...) : no DISPLAY variable so Tk is not available

I am getting the above warning following loading of Geneland 3.1.5 on unix , while a simple plot sends output to the pdf file ( see attached code) no output results from Geneland functions, resulting in empty pdf files > library (Geneland) Loading required package: RandomFields Loading requir

[R] How to install an archived version of a package in windows

the console packages menu, this does not work wither with the downlaoded tar.gz, or if I unzip it and save all its contents as Genland_3.1.5.zip in the R/bin direcotry. What do I need to do? thanks Nevil Amos __ R-help@r-project.org mailing list ht

[R] Geneland error on unix: Error in MCMC(........ :, unused argument(s) (ploidy = 2, genotypes = geno)

I am receiving the above error ( full r session output below) the script runs OK in windows. and "genotypes" and "ploidy" are both correct arguments any suggestions would be most welcome Nevil Amos MERG/ACB Monash University School of Biological Sciences > li

[R] writing string values from a matrix to a file without enclosing quotes

need the output file without the quotes but retaining 000 not reducing it to 0 thus 77 79 132 132 000 000 179 181 132 132 150 150 179 179 132 132 000 000 179 179 132 134 150 152 How might I achieve this? Thanks Nevil Amos __ R-help@r-project.or

Re: [R] How to replace all values in a data.frame with another ( not 0) value

at2 <- as.matrix(dat) # conver to matrix y <- which(is.na(dat)==TRUE) # get index of NA values dat2[y] <- "000/000" # replace all na values with "000/000" Muhammad Nevil Amos wrote: I need to replace occurrenc

[R] How to replace all values in a data.frame with another ( not 0) value

I need to replace occurrences in multiple columns in a data.frame with "000/000" how do I achieve this? Thanks Nevil Amos __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting

Re: [R] reduce size of pdf

The file is a large number of scatterplot matrices (120pp of 4x4 matrix) the individual plots may have up to several hudred points. I am already using the "useDingbats" but the files are still very large - I can reduce them about 50% in cute.pdf by changing the dpi setting but it would be go

[R] reduce size of pdf

is there a way to reduce the size of pdf files in R: ? compression? lower dpi ? or some other option? __ 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-

Re: [R] using get and paste in a loop to return objects for object names listed a strings

ab=group,ylab=response) } } detach(data.sp) } On 29/04/2010 7:05 PM, Paul Hiemstra wrote: Nevil Amos wrote: I am trying to create a heap of boxplots, by looping though a series of factors and variables in a large data.frame suing paste to constrcut the facto and response names from the colnam

[R] using get and paste in a loop to return objects for object names listed a strings

I am trying to create a heap of boxplots, by looping though a series of factors and variables in a large data.frame suing paste to constrcut the facto and response names from the colnames I thought I could do this using get() however it is not working what am I doing wrong? thanks Nevil Amos