Fixes bug in S matrix.
Includes prediction function for GMM, LGMM, and RIS estimators.
Includes the argument fastmom argument in sbinaryGMM function which speed up the computation time.
New functionalities for computing marginal effects.
Fixed a bug in the gradient of GMM models.
atmeans argument for marginal effects is deprecated.
Fixed overflow in the S matrix.
Improved documentation.
Includes RIS estimator with numerical gradient and marginal effects.
Includes citation for JSS paper.
Improved documentation.
Fixed bug with impacts.
Fixed bug with constrained optimization (JSS).
Fixed minor bugs with controls for maxLik.
Improved documentation.
Added impacts() function for marginal effects.
Added tol.solve for solve function.