class statsmodels.robust.norms.LeastSquares
[source]
Least squares rho for M-estimation and its derived functions.
See also
psi (z) | The psi function for the least squares estimator |
psi_deriv (z) | The derivative of the least squares psi function. |
rho (z) | The least squares estimator rho function |
weights (z) | The least squares estimator weighting function for the IRLS algorithm. |
© 2009–2012 Statsmodels Developers
© 2006–2008 Scipy Developers
© 2006 Jonathan E. Taylor
Licensed under the 3-clause BSD License.
http://www.statsmodels.org/stable/generated/statsmodels.robust.norms.LeastSquares.html