Hi Karen,
As you are just starting (I guess), I suggest you take a shortcut:
1. copy and paste the data from Excel to the notepad, and
save it as .TXT
2. If all is ok, you will have a tab-delimited file.
3. Be sure that your variables have its names on first line
4. read your data using
setwd("c:\\temp")
myDF<-read.table("myfile.txt", head=T, sep="\t")
myDF #here you will see all your data.frame (i.e. your table)
hist(myDF$VARNAME)
or
hist(myD[,1]) #to plot 1st collumn
hist(myD[,2]) #to plot 2nd collumn
good luck..
milton
On Sun, Sep 13, 2009 at 7:44 PM, Karen Federico <kfede...@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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