apitabNew  R Documentation 
Alternative ways of creating arrays
tabNew(names, levels, values, normalize = "none", smooth = 0)
names 
Names of variables defining table; either a character vector or a right hand sided formula. 
levels 

values 
values to go into the array. 
normalize 
Either "none", "first" or "all". Should result be normalized, see 'Details' below. 
smooth 
Should values be smoothed, see 'Details' below. 
If normalize="first"
then for each configuration of all
other variables than the first, the probabilities are
normalized to sum to one. Thus f(a, b, c) becomes a
conditional probability table of the form p(a  b, c).
If normalize="all"
then the sum over all entries of
f(a,b,c) is one.
If smooth
is positive then smooth
is added to
values
BEFORE normalization takes place.
An array.
Søren Højsgaard, sorenh@math.aau.dk
universe < list(gender=c('male', 'female'),
answer=c('yes', 'no'),
rain=c('yes', 'no'))
t1 < tabNew(c("gender", "answer"), levels=universe, values=1:4)
t1
t2 < tabNew(~gender:answer, levels=universe, values=1:4)
t2
t3 < tabNew(~gender:answer, c(2, 2), values=1:4)
t3
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