[Date Index] [Thread Index] [Author Index]

Re: selecting columns from a list

• To: mathgroup at smc.vnet.net
• Subject: [mg47857] Re: [mg47844] selecting columns from a list
• From: Oleksandr Pavlyk <pavlyk at phys.psu.edu>
• Date: Thu, 29 Apr 2004 03:05:00 -0400 (EDT)
• Organization: Penn State University; Department of Physics
• References: <200404281056.GAA12272@smc.vnet.net>
• Reply-to: pavlyk at phys.psu.edu
• Sender: owner-wri-mathgroup at wolfram.com

Hi Edo,

One way of doing it is to apply Drop
for every line.

data = Drop[#, 2]& /@ data;

Sasha



Edo wrote:

> Hello
> I just started with mathematica, wanted to load a comma separated data 
> file and drop the first two columns. So I did
> data=Import["C:\Data\filename.ext","CSV"]; to get the file into a 
> variable "data", then I am stuck, after doing some reading in the help 
> files about Drop, Partition, Take. ? etc
> could someone tell me what to read and where to find info about indexing 
> different data structures
> 
> thanks

• References:
  • selecting columns from a list
    • From: Edo <eddoGrasho@edo.com>