unstratified sampling的意思

非分層取樣

stratified sample───分層抽樣；[統計]分層樣本

stratified samples───分層抽樣

spread sampling───n.擴展抽樣

unstratified───adj.[地質]不成層的；無層理的

consumer sampling───消費者抽樣

quota sampling───配額取樣；[經]定額抽樣

random sampling───[數]隨機抽樣；隨意采樣

spread samplings───n.擴展抽樣

stratified random samples───分層隨機抽樣