[R] questions about histogram

Hi all, I'm a new R user. I have the following information about a data set and how to make a histogram? data number of observations 0-2 25 2-10 10 10-100 10 100-1000 5 I tried barplot(height=...,width=...,...), the output

Re: [R] questions about histogram

Try this: > x <- read.table(textConnection("0-2 25 + 2-10 10 + 10-100 10 + 100-1000 5")) > > x V1 V2 1 0-2 25 2 2-10 10 3 10-100 10 4 100-1000 5 > ?barplot > x <- read.table(textConnection("0-2 25 + 2

Re: [R] questions about histogram

it's a frequency histogram. The total area of the bars is 1, and the area of each bar represents its frequency, i.e. 25/50,10/50,10/50,5/50, respectively. And the width of the bars are different. On Jan 28, 2009, at 5:50 PM, Wenxia Li wrote: Hi all, I'm a new R user. I have the following

Re: [R] questions about histogram

Dear Wenxia, Take a look at this post: http://www.nabble.com/Histogram-for-grouped-data-in-R-to21624806.html#a21624806 HTH, Jorge On Wed, Jan 28, 2009 at 4:50 AM, Wenxia Li wrote: > Hi all, > > I'm a new R user. I have the following information about a data set and how > to make a histogram