[R] changing values

[Antonio Olinto]

Dear R list members,

I have a factor vector with levels 1, 2, 3 and 4. I want to re-group it: 1 and 2 will be 1 and 3 and 4 will be 2, e.g.:

x <- c(1, 1, 1, 2, 3, 2, 3, 4, ... )
x <- factor(x)

What I have to do create a new vector where 1 1 1 2 3 2 3 4 ... is transformed in 1 1 1 1 2 1 2 2 ... ? (I have more than 200 lines in my dataframe)

Thanks in advance.

Best wishes,

Antônio Olinto
Fisheries Institute
Sao Paulo - BRAZIL
www.institutopesca.sp.gov.br





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