Proportionate Reduction Of Error Definition
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PRE
Proportional Reduction In Error Lambda
measures. Proportional Reduction of Error (PRE) The the proportionate reduction in error is a measure of the quizlet concept that underlies the definition and interpretation of several measures proportionate reduction in error symbol of association, PRE measures are derived by comparing the errors made in predicting the dependent while ignoring the
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independent variable with errors made when making predictions that use information about the independent variable. E1 = errors of prediction made when the independent variable is ignored E2 = errors of prediction made when the prediction
Proportional Reduction In Error Stata
is based on the independent variable "All PRE measures are based on comparing predictive error levels that result from each of two methods of prediction" (Frankfort-Nachmias and Leon-Guerrero 2011:366). Table 12.1 on page 366 of the textbook helps us to understand this. The independent variable is number of children; the dependent variable is support for abortion. Content on this page requires a newer version of Adobe Flash Player. Two of the most commonly used PRE measures of association are lambda (λ) and gamma (γ). Two PRE Measures: Lambda and Gamma Lambda λ Appropriate for: Nominal Variables Gamma γ Appropriate for: Ordinal and Dichotomous Nominal Variables
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Not registered? Sign up.What's NewAboutGuided TourLibrarian ServicesContact UsHelpThe Oxford Index Underbar oi AllAllTitleAuthorKeywordAllTitleAuthorKeywordHomeBrowseLanguageSelect language English Spanish My Content(1)Recently viewed (1)proportional reduction...My Searches(0)PrintSaveEmailShareText size: AAOverviewproportional reduction in errorFind a librarySelect a Library... (area code) design 415 Productions A & E Television Networks Academy of Art University Academy of Television Arts & Sciences See more or search...Related Overviewsassociation variable coefficient of determination More Like ThisShow all results sharing this subject:Probability and StatisticsGOFeedback »Quick Reference(PRE)A criterion underlying some measures of association. The measures attempt to quantify the extent to which knowledge about one variable helps with the prediction of another variable. Examples include R2 (see coefficient of determination) and Goodman and Kruskal's lambda (see association).From: proportional reduction in error in A Dictionary of Statistics »Subjects: Probability and Statistics. Related content in Oxford IndexSee all related items in Oxford Index »Reference entriesproportional reduction in error in A Dictionary of Statistics Reference EntrySearch for the text `proportional reduction in error' anywhere in Oxford Index »Oxford University PressCopyright © 2016. All rights reserved.Privacy policy and legal noticeCreditsSite indexPowered by: Safari Books Online[162.212.170.130|162.212.170.130]162.212.170.130