Re: [R] have I an actual matrix?

2006-11-08 Thread Ricardo Rodríguez - Your EPEC ICT Team
On Nov 8, 2006, at 11:41 AM, Michael Kubovy wrote: > On Nov 8, 2006, at 4:44 AM, Ricardo Rodríguez wrote: > > Hi Ricardo, > > You probably have two columns in 'rs'. You need to do the barplot > on one of them and use the other as the vector of labels. Assuming > that the first column is n and

Re: [R] have I an actual matrix?

2006-11-08 Thread Ricardo Rodríguez - Your EPEC ICT Team
On Nov 8, 2006, at 11:12 AM, Patrick Burns wrote: > My guess is that you have a data frame and not a matrix. > Try > > barplot(as.matrix(rs)) > > See chapter 1 of S Poetry for an explanation of data structures > in R. Thanks, Patrick, You are completely right. I've been trying to plot a data f

Re: [R] have I an actual matrix?

2006-11-07 Thread Michael Kubovy
On Nov 7, 2006, at 6:25 PM, Ricardo Rodríguez - Your EPEC ICT Team wrote: > library(RMySQL) > con <- dbConnect(dbDriver > ("MySQL"),host='localhost',username='root',dbname='ibdona') > rs <- dbGetQuery (con,"select n,year from ibdona.library_location") > dbDisconnect(con) > Graph <- barplot(rs) >

[R] have I an actual matrix?

2006-11-07 Thread Ricardo Rodríguez - Your EPEC ICT Team
Hi all! I do hope question from newcomers are wellcome here! Thanks in advance. Trying to catch up and to acquired the needed background to easily read R documents it is being a bit hard to me to get into the required concepts to deal with data. I am trying to get data from a MySQL database