What is the correct way of using function C() for factors:

try:

l <- factor(c('a','b'))
l
The funciton c() works differently for strings and for factors:

For strings:

l = c('a', 'b')
l
[1] "a" "b"

For factors:

l = c(factor('a'), factor('b'))
l
[1] 1 1

What should be the right technique for merging factors?

-- 
Svetlana Eden        Biostatistician II            School of Medicine
                    Department of Biostatistics   Vanderbilt University

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What is the correct way of using function C() for factors:

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