[R] Find classes of each column of data.frame()

Dong-hyun Oh r.arecibo at gmail.com
Tue Jul 1 15:50:18 CEST 2008

Dear UseRs,

I would like to know the way to find classes of each column of  

Thank you in advance.

Dong-hyun Oh
Center of Excellence for Science and Innovation Studies
Royal Institute or Technology, Sweden
e-mail: oh.dongh at gmail.com
cel: +46 73 563 45 22

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