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ace_p
2011 Apr 14
1
nesting multiple for loops
...e
contains a number of different 'markers'. Each could be considered a factor
variable within the column name. Their are two categories of factors, we'll
call them f1 and f2.
The data frame names look something like this:
'ace_van' , 'boy_van', 'car_xes' , 'ace_xes', 'dog_wall' , 'car_zounds'
f1 <- c('ace', 'boy', 'car', 'dog')
f2 <- c('van', 'wall', 'xes', 'zounds') # actual vectors are length 6 and
7, so I don't want to individually sum the 42 combinations....