[R] data manipulation for plotting

[Jim Lemon]

rich at thevillas.eclipse.co.uk wrote:
>    Hi,
> 
>    i'd like to plot some data that I have with the value on the x axis and freq
>    on the y axis.
> 
>    So, I need to calculate the freq a value is seen within my data vector
> 
>    for example, say i have a vector of data
> 
>    data=c(1,1,1,4,5,5,6)
> 
>    I want
> 
>    values<-c(1,4,5,6)
> 
>    freq<-c(3,1,2,1)
> 
>    in order to enable me to plot this. Sorry, i'm new to R. What is standard
>    procedure here for plotting the data vector?
> 
>  
Here's one way:

rich.dat<-c(1,1,1,4,5,5,6)
library(plotrix)
library(prettyR)
barp(freq(rich.dat)[[1]],names.arg=unique(rich.dat))

Jim