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

[Dong-hyun Oh]

Many thanks.

On Jul 1, 2008, at 3:57 PM, Romain Francois wrote:

> sapply( iris, class )
>
> Dong-hyun Oh wrote:
>> Dear UseRs,
>>
>> I would like to know the way to find classes of each column of  
>> data.frame().
>>
>> 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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