On Feb 1, 2010, at 2:33 PM, trece por ciento wrote:
Thanks David, but can read.fwf cope with different record types?
I do not see any facility for that goal.
For example, if recordtype is the 4th character, I could have:
011125678 ---> This is record Type 1
011136779 ---> This is record Type 1
011124943 ---> This is record Type 1
011286711 ---> This is record Type 2
011234872 ---> This is record Type 2
011135628 ---> This is record Type 1
So, how can I tell read.fwf to take the correct type into account?
It would be easier on the readers of the list if you would offer a
more complete description of the problem. Problems which are unfolded
bit by bit are rather annoying to some. Is there a website or document
that describes this data resource? Perhaps an alternate strategy that
used a database interface would be more appropriate?
--
David.
Thanks again,
Hug
--- On Mon, 2/1/10, David Winsemius <dwinsem...@comcast.net> wrote:
From: David Winsemius <dwinsem...@comcast.net>
Subject: Re: [R] Import fixed-format ascii file with mixed record
types
To: "trece por ciento" <el13porcie...@yahoo.com>
Cc: r-help@r-project.org
Date: Monday, February 1, 2010, 12:01 PM
On Feb 1, 2010, at 11:40 AM, trece por ciento wrote:
I need to import several ascii files in fixed format with two
different record types. The data comes from European Labor Force
Surveys, wich is a household survey. The first record type is for
people over 16 years, and the second much sorter is for people aged
15 or less (this record has a filler with several blanks to get the
same record length).
The files tipically have 160000 records, with 176 characters per
record, the data is numeric, corresponding to 102 variables, mostly
integers (seven variables have two decimals). My opertating system
is Windows XP.
My questions:
1. Wich do you think is the best way to import the files into R?
?read.fwf
2. Could you give me any references or examples?
There are examples in the help page.
Thanking you in advance,
Hug
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David Winsemius, MD
Heritage Laboratories
West Hartford, CT
David Winsemius, MD
Heritage Laboratories
West Hartford, CT
______________________________________________
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