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Two-Stage Least-Squares Regression with Diagnostics

An implementation of instrumental variables regression using two-stage least-squares (2SLS) estimation, based on the ivreg() function previously in the AER package. In addition to standard regression functionality (parameter estimation, inference, predictions, etc.) the package provides various regression diagnostics, including hat values, deletion diagnostics such as studentized residuals and Cook’s distances; graphical diagnostics such as component-plus-residual plots and added-variable plots; and effect plots with partial residuals.

Instrumental variables regression:

library("ivreg")
ivreg(Q ~ P + D | D + F + A, data = Kmenta)

Via two-stage least squares (2SLS):

2SLS

With diagnostics:

Effects plot QQ plot Influence plot

These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.