[R] accessing a table

Greg Trafton trafton at itd.nrl.navy.mil
Tue Jul 10 21:43:16 CEST 2001

>>>>> Jonathan Baron writes:

>> From: Greg Trafton <trafton at itd.nrl.navy.mil> Hi, all.  I'm sure
>> this is a simple question, but I'm having problems figuring it out
>> myself...  I have a table:
>> currenttable <- table(junk[-1],junk[-n])
>> currenttable
>>       bar foo junk
>>  bar    2   2    0
>>  foo    1   0    0
>>  junk   0   0    1

>> and I'd like to know the result of the cell currenttable(bar,foo).

> currenttable[1,2]

> or even

> table(junk[-1],junk[-n])[1,2]

Whoops!  I should have been a bit more specific!  sometimes foo is not
in the table, so I do not know exactly what row or column it is in; I
need to access it via the "headings" (rows and column names).  

r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html
Send "info", "help", or "[un]subscribe"
(in the "body", not the subject !)  To: r-help-request at stat.math.ethz.ch

More information about the R-help mailing list