The usual Minimum Covariance Determinant (MCD) estimator of a covariance matrix is robust against casewise outliers. These are cases (that is, rows of the data matrix) that behave differently from the
1For probability values less than 5% it is rejected that a linear relation is as good as a quadratic. Slope [1/m], their normalized values , offset [N/m], the related coefficient for a linear model
Contains the summary dataset, simulation Stata code and model build R code for the study titled "Benchmarking methods for detection of underperforming healthcare providers in clinical quality registri
