[R] barplot error

I created a dataframe called OSA here is what it looks like no.surgery surgery 00.4 6.9 60.2 0.3 I have also attached it as an R data file I cannot understand why I am getting the following error. barplot(OSA) Error in barplot.default(OSA) : 'height' must be a vector

Re: [R] barplot error

On 10/17/06, Farrel Buchinsky [EMAIL PROTECTED] wrote: I created a dataframe called OSA here is what it looks like no.surgery surgery 00.4 6.9 60.2 0.3 I have also attached it as an R data file I cannot understand why I am getting the following error.