statsmodels.sandbox.regression.gmm.IVGMM
class statsmodels.sandbox.regression.gmm.IVGMM(endog, exog, instrument, k_moms=None, k_params=None, missing='none', **kwds) [source]
Basic class for instrumental variables estimation using GMM A linear function for the conditional mean is defined as default but the methods should be overwritten by subclasses, currently LinearIVGMM and NonlinearIVGMM are implemented as subclasses. See also LinearIVGMM, NonlinearIVGMM Methods
calc_weightmatrix(moms[,