Open AccessOptimum stratum boundaries and sample sizes for Covid-19 data in Egypt
Author(s) -
Fatma S. Abo_El.Hassan,
Ramadan Hamed,
Elham A. Ismail,
Safia M. Ezzat
Publication year - 2022
Publication title -
plos one
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.99
H-Index - 332
ISSN - 1932-6203
DOI - 10.1371/journal.pone.0271220
Subject(s) - sample size determination , sample (material) , sampling (signal processing) , computer science , stratified sampling , population , stratum , variable (mathematics) , interval (graph theory) , statistics , operations research , mathematical optimization , mathematics , engineering , filter (signal processing) , demography , mathematical analysis , chemistry , geotechnical engineering , chromatography , combinatorics , sociology , computer vision