漸近正規性と一致性consistencyの英語表現。
estimator, which is known to be asymptotically noraml and conosistente limit of large N
Equation (3.1) is equivalent to the well-known Hill estimator [25], which is known
to be asymptotically normal [22] and consistent [38] (i.e., ニα → α in the limit of
large n).