Re: [R] Using image function to plot character values

2008-04-25 Thread Jim Lemon
Eric Bell wrote: > Hello. I am a newbie to R. If I should be reading some FAQ or manual > that could help answer my question please tell me and I will go there. > > Problem: > > I have a spreadsheet that contains a character code in each cell. The > columns in the spreadsheet represent time and

Re: [R] Using image function to plot character values

2008-04-25 Thread Dieter Menne
Eric Bell ericjbell.com> writes: > A secondary problem is that after I do the conversion, I need to know > what codes were converted to what numeric values. > Column-wise factor conversion can be handy, but often it bites. # Assume you have the data file m1 m2 A B B C C D #--- # m