Dong-hyun Oh wrote:
> Dear UseRs,
>
> I would like to know the way to find classes of each column of
> data.frame().
>
sapply(, class)
vQ
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many thanks.
On Jul 1, 2008, at 4:00 PM, Henrique Dallazuanna wrote:
sapply(your_data, class)
On Tue, Jul 1, 2008 at 10:50 AM, Dong-hyun Oh <[EMAIL PROTECTED]>
wrote:
Dear UseRs,
I would like to know the way to find classes of each column of
data.frame().
Thank you in advance.
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
sapply(your_data, class)
On Tue, Jul 1, 2008 at 10:50 AM, Dong-hyun Oh <[EMAIL PROTECTED]> wrote:
> Dear UseRs,
>
> I would like to know the way to find classes of each column of
> data.frame().
>
> Thank you in advance.
>
>
>
>
> =
> Dong-h
A data frame is a special list:
> d <- data.frame( A=numeric(), B=logical(), C=character() )
> lapply(d, class)
$A
[1] "numeric"
$B
[1] "logical"
$C
[1] "factor"
Gabor
On Tue, Jul 01, 2008 at 03:50:18PM +0200, Dong-hyun Oh wrote:
> Dear UseRs,
>
> I would like to know the way to find classes o
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: [EMAI
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