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st: RE: RE: Convert yearly to monthly data


From   "Nikolaos Kanellopoulos" <nkkanel@yahoo.gr>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: RE: RE: Convert yearly to monthly data
Date   Sun, 2 Sep 2007 10:38:32 +0100

Nick,

Thank you very much 

-----Original Message-----
From: owner-statalist@hsphsun2.harvard.edu
[mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Nick Cox
Sent: Friday, August 31, 2007 6:05 PM
To: statalist@hsphsun2.harvard.edu
Subject: st: RE: Convert yearly to monthly data

-reshape- is your friend. 

In fact, to -reshape- your data are wide, not long. 

Nick
n.j.cox@durham.ac.uk 

Nikolaos Kanellopoulos
 
> I have a typical longitudinal data set, which gives me information 
> about the status of individuals for each month within a year. The data 
> are in a long format, thus every row represents a year. Variable pid 
> distinguishes the individuals and variable year shows the time 
> dimension. Every month is represented by a variable (v1-v12). This is 
> a binary variable but it can also contain missing values.
> 
> My question is how I can convert my data from yearly panel to monthly 
> panel based on v1-v12.
> 
> To show what I mean, let's say that my original data look like that:
> 
> pid	year	v1	v2	v3	v4	v5	v6	
> v7	v8
> v9	v10	v11	v12	x
> 1	1	1	1	1	1	1	1	
> 1	1
> 1	1	1	1	.1369841
> 1	2	1	1	1	1	1	1	
> 1	1
> 1	1	1	1	.6432207
> 1	3	1	1	1	1	0	0	
> 0	1
> 1	1	1	1	.5578017
> 2	3	1	1	1	1	1
> 1	.0610638
> 2	4	1	1	0	0	0	0	
> 1	1
> 1	1	1	1	.5552388
> 
> I want to convert them so they will look like:
> 
> pid	v	year	x
> 1	1	1	.1369841
> 1	1	1	.1369841
> 1	1	1	.1369841
> 1	1	1	.1369841
> 1	1	1	.1369841
> 1	1	1	.1369841
> 1	1	1	.1369841
> 1	1	1	.1369841
> 1	1	1	.1369841
> 1	1	1	.1369841
> 1	1	1	.1369841
> 1	1	1	.1369841
> 1	1	2	.6432207
> 1	1	2	.6432207
> 1	1	2	.6432207
> 1	1	2	.6432207
> 1	1	2	.6432207
> 1	1	2	.6432207
> 1	1	2	.6432207
> 1	1	2	.6432207
> 1	1	2	.6432207
> 1	1	2	.6432207
> 1	1	2	.6432207
> 1	1	2	.6432207
> 1	1	3	.5578017
> 1	1	3	.5578017
> 1	1	3	.5578017
> 1	1	3	.5578017
> 1	0	3	.5578017
> 1	0	3	.5578017
> 1	0	3	.5578017
> 1	1	3	.5578017
> 1	1	3	.5578017
> 1	1	3	.5578017
> 1	1	3	.5578017
> 1	1	3	.5578017
> 2	1	3	.0610638
> 2	1	3	.0610638
> 2	1	3	.0610638
> 2	1	3	.0610638
> 2	1	3	.0610638
> 2		3	.0610638
> 2		3	.0610638
> 2		3	.0610638
> 2		3	.0610638
> 2		3	.0610638
> 2		3	.0610638
> 2	1	3	.0610638
> 2	1	4	.5552388
> 2	1	4	.5552388
> 2	0	4	.5552388
> 2	0	4	.5552388
> 2	0	4	.5552388
> 2	0	4	.5552388
> 2	1	4	.5552388
> 2	1	4	.5552388
> 2	1	4	.5552388
> 2	1	4	.5552388
> 2	1	4	.5552388
> 2	1	4	.5552388
> 			

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