[R] converting character to numeric

I'm trying to convert data from character to numeric. I've imported data as a csv file, I'm assuming that the import is a database - are all the columns in a database considered vectors and that they can be operated on individually Therefore I've tried the following mydata -

[R] importing a file

I haven't used R in a couple of years, and now am trying something as simple as importing a csv file and am running into problems right away. * mydata - read.csv (Wordata1.csv, sep=) Error in read.table(file = file, header = header, sep = sep, quote = quote, : object 'Wordata1.csv' not found

Re: [R] importing a file

that was it, thank you!!! On Mon, Jun 20, 2011 at 5:23 PM, Sarah Goslee sarah.gos...@gmail.comwrote: R is looking for an R object named Wordata1.csv that contains your file name. Instead you want: mydata - read.csv (Wordata1.csv, sep=) Sarah On Mon, Jun 20, 2011 at 5:16 PM, Alina

[R] Europe zip code shapefiles

Hi all, I'm looking for zip code shapefiles for Italy and France.Does anyone know where I might be able to find these? thank you! [[alternative HTML version deleted]] __ R-help@r-project.org mailing list

[R] target of assignment expands to non-language object

I'm running the following code numbers - 1:50 for (i in 1:50) assign(paste(model,numbers[i]),i)-(lm(temp$Overall.Scaled.Score~temp$raw.score)) where I want R to create 50 different models-1:50, but get the following error message target of assignment expands to non-language object. I've tried

[R] mapping lat and long with maps package

I am trying to overlay a data frame with lat and longitude(which refer to zip codes) on the map of US that I get by using map (states). Is there anyway to do this or do I have to resort to using maptools? thank you [[alternative HTML version deleted]]

Re: [R] mapping lat and long with maps package

(long, lat, text) # data(ozone) map(state, xlim = range(ozone$x), ylim = range(ozone$y)) text(ozone$x, ozone$y, ozone$median) box() -- David Winsemius On Mar 4, 2009, at 5:04 PM, Alina Sheyman wrote: I am trying to overlay a data frame with lat and longitude(which refer to zip codes

[R] colored maps again

I'm trying to create a colored map that would show the number of students per state. My data frame consists of two columns - state and count. I'm using the following code library(maps) map(usa) library(plotrix) state.col-color.scale(gre$count,0,0,c(0,1)) map(state,fill=TRUE,col=state.col) I'm

[R] RcolorBrewer

I've downloaded the RcolorBrewer package, but when I try to run mypalette-brewer.pal(7,Greens) (or any other command with brewer.pal) I get the following error message - Error: could not find function brewer.pal Does anyone know why that's happening? Is there smth else I need to download?

Re: [R] RcolorBrewer

I figured it out thanks On Wed, Feb 18, 2009 at 3:50 PM, Domenico Vistocco visto...@unicas.itwrote: Alina Sheyman wrote: I've downloaded the RcolorBrewer package, but when I try to run mypalette-brewer.pal(7,Greens) (or any other command with brewer.pal) I get the following error message

[R] color maps with counts

I have yet another question concerning maps. This time I want to create a colored map of number of students by state. Can this be done using palettes in Rcolor brewer, is there some other way? I've been looking through R archives, but am still really at a loss here, so all help will be much

[R] creating a map

I'm trying to create a fairly basic map using R. What i want to get is the map of the country with circles representing a count of students in each state. What I've done so far is as following - map(state) symbols(data1$count,circles=log(data1$count)*3,fg=col,bg=col,add=T,inches=F) this gives

Re: [R] creating a map

Intermountain Healthcare greg.s...@imail.org 801.408.8111 -Original Message- From: r-help-boun...@r-project.org [mailto:r-help-boun...@r- project.org] On Behalf Of Alina Sheyman Sent: Tuesday, February 17, 2009 9:53 AM To: r-help@r-project.org Subject: [R] creating a map I'm

[R] Replacing dates with consecutive observations

I am working with a list of dates and I would like to replace each date with the one that comes after, ie. 1/1/07 will become 1/5/07, 1/5/07 will become 1/7/07, etc. The number of days between my dates always varies, so I can't just increase each one by 5 days or so. Does anyone know of a way I

[R] (no subject)

I'm trying to establish the occurrence of a specific day of the week in a given month. Namely I want to know if a specific Tuesday was the 2nd,3rd Tuesday in a month. Is there a good way to this in R? thank you, Alina Sheyman [[alternative HTML version deleted

[R] occurrence of a weekday in a month

I'm trying to establish the occurrence of a specific day of the week in a given month. Namely I want to know if a specific Tuesday was the 2nd,3rd Tuesday in a month. Is there a good way to this in R? thank you, Alina Sheyman [[alternative HTML version deleted