Information about how the survey is carried out and how the results are produced.

First published:
13 April 2017
Last updated:

Quality report

Documents

Quality report, April 2016 to March 2017 onwards
, file type: PDF, file size: 571 KB

PDF
571 KB
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Technical reports

Documents

Technical report, April 2017 to March 2018
, file type: PDF, file size: 2 MB

PDF
2 MB
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Regression methodology and models: technical report, April 2017 to March 2018
, file type: PDF, file size: 911 KB

PDF
911 KB
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Technical report, April 2016 to March 2017
, file type: PDF, file size: 8 MB

PDF
8 MB
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Regression methodology and models: technical report, April 2016 to March 2017
, file type: PDF, file size: 3 MB

PDF
3 MB
This file may not be accessible. Request a different format. If you need a more accessible version of this document please email digital@gov.wales. Please tell us the format you need. If you use assistive technology please tell us what this is.

Regression methodology and models: technical report, April 2014 to March 2015
, file type: PDF, file size: 2 MB

PDF
2 MB
This file may not be accessible. Request a different format. If you need a more accessible version of this document please email digital@gov.wales. Please tell us the format you need. If you use assistive technology please tell us what this is.