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Ontario Data Documentation, Extraction Service and Infrastructure Initiative (<odesi>)

Established in 2007, <odesi> (Ontario Data Documentation, Extraction Service and Infrastructure) is a digital repository for social science data, including polling data. It is a web-based data exploration, extraction and analysis tool that uses the Data Documentation Initiative (DDI) social science data standard.

<odesi> provides researchers the ability to search for survey questions (variables) across hundreds of datasets. The data is in different formats, such as microdata, Excel and B2020 files.

New data in ODESI contains over 5,700 datasets for the social sciences, with more than 22,700 additional dataset descriptions available for searching.
Enquête sur les voyages internationaux, 2013: Voyages des résidents Canadiens à l'étranger [Canada]
Enquête sur la population active, décembre 1986 [Canada]
Herfindahl Indexes, Canada and Provinces, 2004-2009 [Excel]
Discharge Abstract Database, 2014-2015 [Canada]: Geographic Detail File
Discharge Abstract Database, 2017-2018 and 2018-2019 [Canada]: Geographic Detail File
Enquête sur la population active, août 1985 [Canada]
Concentration Ratios in the Manufacturing Industries, Canada and Provinces, 1998-2003 [Excel]
Enquête sur la population active, août 1977 [Canada]
Enquête sur la population active, décembre 1978 [Canada]
Second Language Enrolment Statistics, 1975-2003 [Canada]