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Magellan Data and Mapping Strategies, now called Magellan Strategies, is a survey research firm with offices in Louisville, Colorado and Geismar, Louisiana. Magellan provides data and information services to Republican Party candidates, conservative political organizations, as well as serving public affairs firms and businesses. The firm was founded in November 2006. The firm helps elucidated public opinion for Republican candidates and conservative organizations and helps their voter targeting. Its data services are designed to boost the efficacy of political campaigns and public outreach programs. In addition to data management, modelling and enhancement, Magellan's information services include predictive analytics, quantitative survey research, mapping and redistricting, and voter registration and targeting. Magellan also provides donor and voter registration databases. Magellan is a member of the Marketing Research Association, the American Association for Public Opinion Research, and the American Association of Political Consultants. The firm receives business from the Republican National Committee and Americans for Prosperity. The firms website in 2010 had a headline "Magellan Strategies Helping Republicans Win Elections". ==Survey weighting methodology== Magellan Strategies maintains and uses a national database of registered voters to determine their survey sampling weights by gender, age group, party registration and race. The firm does take into account past exit polling for a state or district when determining final survey weighting, but the principals of the firm consider exit polling data secondary and much less accurate than aggregated vote history from a complete and accurate voter registration database with solid vote history. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Magellan Data and Mapping Strategies」の詳細全文を読む スポンサード リンク
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