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| riv-package | Robust instrumental variables estimator package. |
| earthquake | Alaskan earthquakes data |
| mortality | Mortality rate data |
| rho.biweight | Tukey's biweight rho function |
| riv | Robust instrumental variables estimator |
| sestck | Tukey's biweight objective function (scale) |
| slc | S-estimator of multivariate location and covariance |