gains from proportionate stratified sampling的意思|示意
美 / /
英 / /
比例分层抽样的收益
gains from proportionate stratified sampling的网络常见释义
按比例分层抽样的得益 按比例的子类数目 proportional subclass numbers 按比例分层抽样的得益 gains from proportionate stratified sampling 按比例加权法 proportional weight method ..