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%% Determine High Leverage Observations % This example shows how to compute |Leverage| values and assess high leverage % observations. Load the sample data and define the response and independent % variables. % Copyright 2015 The MathWorks, Inc. load hospital y = hospital.BloodPressure(:,1); X = double(hospital(:,2:5)); %% % Fit a linear regression model. mdl = fitlm(X,y); %% % Plot the leverage values. plotDiagnostics(mdl) %% % For this example, the recommended threshold value is 2*5/100 = 0.1. There % is no indication of high leverage observations.