[R] R and SAS pointer/informat functionality

From: Ratnendra Sharma <sharm071_at_tc.umn.edu>
Date: Wed 12 Oct 2005 - 09:55:34 EST


Hello,

I hope all is well. I've gone through and searched just about all the manuals, faqs, contribs available on the data import/export process and have not found any answer to a specific question. Hopefully, I will be able to fall back upon the valuable expertise in mailing list. Here goes:

How can I import SPECIFIC columns of data in a fixed width file? E.g. I have a fwf with 40 variables ranging from 1 to 10 characters and at any given time, need only a few to analyze, like so: <age: 2 char ><sex: 1 char><morning: 1 char><location: 3 char>......<family: 9 char><tagged: date>.......<weight at capture: 4 char><length at capture: 7 char>etc.
which looks something like:
02M1LOS...xxcanidae011289.....10001291412

In essence I am looking for functionality similar to the SAS pointer/informat method. I would appreciate any help anyone would be able to give!

Thanks so much for your help.

best,
Ratnendra Sharma
U Minn



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