https://www.sciencepg.com/article/10.11648/j.ajtas.20130205.14
Optimum Allocation of Multi-Items in Stratified Random Sampling Using Principal Component Analysis,...
The problem of allocation with more than one characteristic in stratified sampling is conflicting in nature, as the best allocation for one characteristic will...
stratified random samplingprincipal component analysisoptimum allocationmultiitems