[R] accessing a table

[Greg Trafton]

>>>>> 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).  

thanks!
greg
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