Re: selecting columns from a list

*To*: mathgroup at smc.vnet.net*Subject*: [mg47861] Re: [mg47844] selecting columns from a list*From*: Tomas Garza <tgarza01 at prodigy.net.mx>*Date*: Thu, 29 Apr 2004 03:05:08 -0400 (EDT)*References*: <200404281056.GAA12272@smc.vnet.net>*Sender*: owner-wri-mathgroup at wolfram.com

If you have already read your data into "data", try any of the following: In[1]:= Transpose[Drop[Transpose[data], 2]] In[2]:= (Take[#, 2 - n] & ) /@ data (where n is the number of columns in data). Tomas Garza Mexico City ----- Original Message ----- From: "Edo" <eddoGrasho at edo.com> To: mathgroup at smc.vnet.net Subject: [mg47861] [mg47844] selecting columns from a list > 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>