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MISSING DATA

Statistics Directorate    
Definition:
Observations which were planned and are missing.

Context:
Missing data in a survey may occur when there are no data whatsoever for a respondent (non-response) or when some variables for a respondent are unknown (item non-response) because of refusal to provide or failure to collect the response (ISI).

Source Publication:
The International Statistical Institute, “The Oxford Dictionary of Statistical Terms”, edited by Yadolah Dodge, Oxford University Press, 2003.

Cross References:
Imputation
Non-response
Observation

Statistical Theme: Methodological information (metadata)

Glossary Output Segments:
SDMX

Created on Friday, January 30, 2004

Last updated on Monday, December 19, 2005