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st: reshape wide to long

From   Michael McCulloch <[email protected]>
To   [email protected]
Subject   st: reshape wide to long
Date   Thu, 10 Apr 2014 18:32:01 -0700

Hello, I am trying to reshape the following dataset from wide to long:

id		kcalpre		kcalpost
1		5620		3910
2		5470		4220
3		5640		3885

with the command:
. reshape long kcal, i(id) j(timing)

I am receiving an error message:
variable timing contains all missing values.

I have specified:
	- long is the type of reshaping
	- kcal is the stem of the two variables I want to convert from wide to long: kcalpre and kcalpost
	- i(id) uniquely identifies each variable in the wide format
	- j(timing) is to specify that the suffix of kcal (pre and post) should be placed in the variable called -timing-

It seems I've followed the help file and tutorials. I'd appreciate any advice or corrections.

Best wishes,
Michael McCulloch

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