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Removing systematic errors for exoplanet search via latent causes

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arxiv 1505.03036 v1 pith:XDMF73CW submitted 2015-05-12 stat.ML astro-ph.EPastro-ph.IMcs.LG

Removing systematic errors for exoplanet search via latent causes

classification stat.ML astro-ph.EPastro-ph.IMcs.LG
keywords methodlatentremovingadditiveapplicationastronomycausalcauses
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We describe a method for removing the effect of confounders in order to reconstruct a latent quantity of interest. The method, referred to as half-sibling regression, is inspired by recent work in causal inference using additive noise models. We provide a theoretical justification and illustrate the potential of the method in a challenging astronomy application.

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