statsmodels.nonparametric.kernels_asymmetric.kernel_pdf_invgauss¶ statsmodels.nonparametric.kernels_asymmetric.kernel_pdf_invgauss(x, sample, bw)[source]¶ Inverse gaussian kernel for density, pdf, estimation. Parameters:¶ x : array_like, float¶Points for which density is evaluated. x can be scalar or 1-dim. sample : ndarray, 1-d¶Sample from which kde is computed. bw : float¶Bandwidth parameter, there is currently no default value for it. Return type:¶ Components for kernel estimation References