Hellinger distance
= Hellinger distance
{title2=$d_H(P,Q)$}
{wiki}
The Hellinger distance is the square root of a constant multiple of $\int(\sqrt p-\sqrt q)^2d\lambda$. Common conventions use either the factor $1$ or $1/2$.
= Hellinger distance
{title2=$d_H(P,Q)$}
{wiki}
The Hellinger distance is the square root of a constant multiple of $\int(\sqrt p-\sqrt q)^2d\lambda$. Common conventions use either the factor $1$ or $1/2$.