Articles by hoxo_m

densratio: New R Package for Density Ratio Estimation

March 31, 2016 | hoxo_m

1. OverviewDensity ratio estimation is described as follows: for given two data samples $x$ and $y$ from unknown distributions $p(x)$ and $q(y)$ respectively, estimate $$ w(x) = frac{p(x)}{q(x)} $$ where $x$ and $y$ are $d$-dimensional real numbers.The estimated density ratio function $w(x)$ can be ...
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