Re: Counting Categories
- To: mathgroup at smc.vnet.net
- Subject: [mg96870] Re: [mg96798] Counting Categories
- From: Gregory Lypny <gregory.lypny at videotron.ca>
- Date: Thu, 26 Feb 2009 07:58:20 -0500 (EST)
- References: <200902250903.EAA15666@smc.vnet.net> <49A568BC.4040207@wolfram.com>
Thank you, Darren. I guess my only other question would be how to
sort either the original data or the output so that it has the same
ordering as the choices {red, blue, green}, {small, medium, big}.
Regards,
Gregory
On Wed, Feb 25, 2009, at 10:50 AM, Darren Glosemeyer wrote:
> You mentioned Cases, but I think you meant Count. Tally will do the
> counting you described.
>
> In[1]:= data = Transpose[{RandomChoice[{red, blue, green}, 20],
> RandomChoice[{small, medium, big}, 20]}];
>
> In[2]:= Tally[data]
>
> Out[2]= {{{blue, medium}, 6}, {{green, medium}, 2}, {{red, medium},
> 2}, {{green, small}, 5},
> > {{blue, small}, 1}, {{red, small}, 2}, {{red, big}, 2}}
>
>
> Darren Glosemeyer
> Wolfram Research
- References:
- Counting Categories
- From: Gregory Lypny <gregory.lypny@videotron.ca>
- Counting Categories