Date of Original Version

2001

Type

Conference Proceeding

Published In

Proceedings of Eighth International Workshop on Artificial Intelligence and Statistics, Morgan Kauffman.

Rights Management

All Rights Reserved

Abstract or Description

Instrumental Variable (IV) estimation is a powerful strategy for estimating causal influence, even in the presence of confounding. Standard IV estimation requires that the relationships between variables is linear. Here we relax the linearity requirement by constructing a piecewise linear IV estimator. Simulation studies show that when the causal influence of X on Y is non-linear, the piecewise linear is an improvement.

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Philosophy Commons

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