[R] want to drop levels of table vector & join two vector(appending)

[David Winsemius]

On Feb 4, 2012, at 9:07 AM, sagarnikam123 wrote:

> is have vector from table stored in s variable
>> s
> [1] R P Y A C P V E S C D R R F S R S A D L T R H I R I
> Levels: A C D E F G H I K L M N P Q R S T V Y

If you want to join two factor vectors you need first coerce to  
character vectors, use c() on them and if you want a factor of the  
combined vector, then assign the result of factor() again.

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David Winsemius, MD
West Hartford, CT