alexa Abstract | Design and reliability analysis of large-scale multi-level sampling plan

Journal of Chemical and Pharmaceutical Research
Open Access

OMICS International organises 3000+ Global Conferenceseries Events every year across USA, Europe & Asia with support from 1000 more scientific Societies and Publishes 700+ Open Access Journals which contains over 50000 eminent personalities, reputed scientists as editorial board members.

Open Access Journals gaining more Readers and Citations

700 Journals and 15,000,000 Readers Each Journal is getting 25,000+ Readers

This Readership is 10 times more when compared to other Subscription Journals (Source: Google Analytics)

Original Articles Open Access


In order to establish the additional method of single objective layer composite PPS sample the permanent random technique was used in a set of multi-objective hierarchical design scheme. Yves g. Berger (2005) research was used instead of Hajek estimator for HT estimate variance estimators. Simple analysis was carried out on the sampling error.

To read the full article Peer-reviewed Article PDF image

Author(s): Lihong Li Yan Li Jie Sun and Qinghua Liu


Sampling survey, multilevel, stratified sampling, error analysis, additional PPS sample method, Design

Peer Reviewed Journals
Make the best use of Scientific Research and information from our 700 + peer reviewed, Open Access Journals
International Conferences 2017-18
Meet Inspiring Speakers and Experts at our 3000+ Global Annual Meetings

Contact Us

© 2008-2017 OMICS International - Open Access Publisher. Best viewed in Mozilla Firefox | Google Chrome | Above IE 7.0 version