Karen
You can copy and paste data directly into R from Excel:
1. Mark the data including the headings in Excel
2. Ctrl-C
3. In R:
myDF <- read.delim("clipboard")

Following from Milton:
hist(myDF$VARNAME)
or
hist(myD[,1]) #to plot 1st collumn
hist(myD[,2]) #to plot 2nd collumn

Schalk Heunis


On Mon, Sep 14, 2009 at 1:44 AM, Karen Federico <kfederic@stevens.edu>wrote:

> How would I make a histogram using R from a table in excel that has 4
> variables, but I only want to use 2 of the columns to make the histogram?
>
>
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