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- Partial_leverage abstract "In statistics, high-leverage points are those that are outliers with respect to the independent variables. Leverage points are those that cause large changes in the parameter estimates when they are deleted. Although an influential point will typically have high leverage, a high leverage point is not necessarily an influential point. The leverage is typically defined as the diagonal of the hat matrixPartial leverage is used to measure the contribution of the individual independent variables to the leverage of each observation. That is, if hi is the ith row of the diagonal of the hat matrix, the partial leverage is a measure of how hi changes as a variable is added to the regression model.The partial leverage is computed as:wherej = index of independent variablei = index of observationXj·[j] = residuals from regressing Xj against the remaining independent variablesNote that the partial leverage is the leverage of the ith point in the partial regression plot for the jth variable. Data points with large partial leverage for an independent variable can exert undue influence on the selection of that variable in automatic regression model building procedures.".
- Partial_leverage wikiPageExternalLink partleve.htm.
- Partial_leverage wikiPageID "18597426".
- Partial_leverage wikiPageRevisionID "594827957".
- Partial_leverage hasPhotoCollection Partial_leverage.
- Partial_leverage subject Category:Regression_diagnostics.
- Partial_leverage comment "In statistics, high-leverage points are those that are outliers with respect to the independent variables. Leverage points are those that cause large changes in the parameter estimates when they are deleted. Although an influential point will typically have high leverage, a high leverage point is not necessarily an influential point.".
- Partial_leverage label "Partial leverage".
- Partial_leverage sameAs m.04g21sg.
- Partial_leverage sameAs Q7140376.
- Partial_leverage sameAs Q7140376.
- Partial_leverage wasDerivedFrom Partial_leverage?oldid=594827957.
- Partial_leverage isPrimaryTopicOf Partial_leverage.