David Johnston, Carol Propper, Stephen Pudney, and Michael Shields,
"Child Mental Health and Educational Attainment: Multiple Observers
and the Measurement Error Problem", Journal of Applied Econometrics,
Vol. 29, No. 6, 2014, pp. 880-900.

The data we use come from the survey titled "Mental Health of Children and
Young People in Great Britain, 2004". Information and description of the
characteristics and contents of the database can be obtained from:

http://discover.ukdataservice.ac.uk/catalogue/?sn=5269&type=Data%20catalogue

These data are confidential and cannot be made available as a public use
data set. However, the data are available upon registration at the UK Data
Service. Information about the registration and access process can be
obtained from

http://ukdataservice.ac.uk/get-data/how-to-access.aspx

The analysis in the paper is performed using the GAUSS Mathematical and
Statistical System

  http://www.aptech.com/products/gauss-mathematical-and-statistical-system

and is based on a dataset that has been constructed from the original data
file titled cpm9904.dta using a Stata .do file titled Compile_data.do.

The file Compile_data.do is an ASCII file in DOS format. It is zipped
in the file jpps-data.zip. Unix/Linux users should use "unzip -a".