[R] Get median of each column

[Stephan Kolassa]

Thank you, Rolf, for this well-deserved spanking :-)

I promise to amend my ways and think before I send in the future.

Best,
Stephan

Rolf Turner schrieb:
> 
> On 29/01/2009, at 8:39 AM, Stephan Kolassa wrote:
> 
>> Assuming your data are in a data.frame called dataset,
>>
>> apply(dataset,2,median)
>>
>> should work. Look at
>>
>> ?apply
> 
> Note that apply() works with ***matrices***.  The foregoing code will
> work, given that all columns of ``dataset'' are numeric, due to the
> fact that apply will *coerce* a data frame to a matrix.
> 
> However it should always be remembered that
> 
>     DATA FRAMES ARE NOT MATRICES!!!
> 
> cheers,
> 
>     Rolf Turner
> 
> ######################################################################
> Attention: This e-mail message is privileged and confidential. If you 
> are not the intended recipient please delete the message and notify the 
> sender. Any views or opinions presented are solely those of the author.
> 
> This e-mail has been scanned and cleared by MailMarshal 
> www.marshalsoftware.com
> ######################################################################
>