Density Ratio Estimation

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Documentation for package ‘densratio’ version 0.2.1

• DESCRIPTION file.
• User guides, package vignettes and other documentation.
• Package NEWS.

Help Pages

densratio	Estimate Density Ratio p(x)/q(x)
KLIEP	Estimate Density Ratio p(x)/q(x) by KLIEP (Kullback-Leibler Importance Estimation Procedure)
RuLSIF	Estimate alpha-Relative Density Ratio p(x)/(alpha p(x) + (1-alpha) q(x)) by RuLSIF (Relative unconstrained Least-Square Importance Fitting)
squared_euclid_distance	Compute Squared Euclid Distance
uLSIF	Estimate Density Ratio p(x)/q(x) by uLSIF (unconstrained Least-Square Importance Fitting)