Econometric estimation of simultaneous
systems of linear and nonlinear equations using Ordinary Least
Squares (OLS), Weighted Least Squares (WLS), Seemingly Unrelated
Regressions (SUR), Two-Stage Least Squares (2SLS), Weighted
Two-Stage Least Squares (W2SLS), and Three-Stage Least Squares (3SLS)
as suggested, e.g., by Zellner (1962) <doi:10.2307/2281644>,
Zellner and Theil (1962) <doi:10.2307/1911287>, and
Schmidt (1990) <doi:10.1016/0304-4076(90)90127-F>.

Estimating Systems of Simultaneous Equations

package-ubuntu-20.04-r-4.0.5#cran#systemfit-1.1-24

knls( theta, eqns, data, fitmethod="OLS", parmnames, instr=NULL, S=NULL )

<p>These functions are no the called by the user.
The knls is the driver function that is passed to the nlm call in
<code><a href="nlsystemfit.html">nlsystemfit</a></code>. 
</p>

package-ubuntu-20.04-r-4.0.5#cran#systemfit-1.1-24#docs#systemfit-internal

systemfit-internal

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systemfit

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