Re: Extract columns based on their the title in header
- To: mathgroup at smc.vnet.net
- Subject: [mg131699] Re: Extract columns based on their the title in header
- From: Itai Seggev <itais at wolfram.com>
- Date: Sat, 21 Sep 2013 04:39:50 -0400 (EDT)
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- References: <20130920110717.97AEE6A3D@smc.vnet.net>
On Fri, Sep 20, 2013 at 07:07:17AM -0400, Joug Raw wrote: > > I import a CSV file like this: > > Name, Sex, Age, ... , ... > Tom, M, 12, ... ,... > Bob, M, 13, > Lily, F, 11, > Jack, M, 14, > Micheal, M, 10, > .. > > It become a list and I call it datalist. Then I want only extract the Name > and Age for each child in the list. I did some thing like: > > ColumPos = > Map[#[[2]] &, > Map[Position[datalist, #] &, {"Name", > "Age"}], {2}] > Map[Extract[#, ColumPos] &, datalist] > > Yes, it works. But the code are bit complicated. Any one has any idea to > get it done in a more efficient way? datalist[[All,{1,3}]] -- Itai Seggev Mathematica Algorithms R&D 217-398-0700
- References:
- Extract columns based on their the title in header
- From: Joug Raw <jougraw@gmail.com>
- Extract columns based on their the title in header