[HTML][HTML] Performance of some estimators of relative variability

R Ospina, F Marmolejo-Ramos - Frontiers in Applied Mathematics …, 2019 - frontiersin.org
The classic coefficient of variation (CV) is the ratio of the standard deviation to the mean and
can be used to compare normally distributed data with respect to their variability, this …

[HTML][HTML] Distribution of psychological distress is stable in recent decades and follows an exponential pattern in the US population

S Tomitaka, Y Kawasaki, K Ide, M Akutagawa, Y Ono… - Scientific reports, 2019 - nature.com
The prevalence of psychological distress is fairly stable in industrialised countries in recent
decades, but the reasons for this stability remain unknown. To investigate the mechanisms …

Measuring burstiness for finite event sequences

EK Kim, HH Jo - Physical Review E, 2016 - APS
Characterizing inhomogeneous temporal patterns in natural and social phenomena is
important to understand underlying mechanisms behind such complex systems and, hence …

[HTML][HTML] Public buffer stocks as agricultural output price stabilization policy in Ghana

E Abokyi, H Folmer, KF Asiedu - Agriculture & Food Security, 2018 - Springer
Background Food price volatility poses widespread risks, from farmers to consumers,
notably in developing countries. Because of its devastating effects on sustainable farming …

[HTML][HTML] Sample size for estimating mean and coefficient of variation in species of crotalarias

M Toebe, LN Machado, FL Tartaglia… - Anais da Academia …, 2018 - SciELO Brasil
The objective of this study was to determine the sample size necessary to estimate the mean
and coefficient of variation in four species of crotalarias (C. juncea, C. spectabilis, C …

[HTML][HTML] Tamanho de amostra para estimação da média e do coeficiente de variação em milho

M Toebe, A Cargnelutti Filho, C Burin… - Pesquisa …, 2014 - SciELO Brasil
O objetivo deste trabalho foi determinar o tamanho de amostra necessário para a estimação
da média e do coeficiente de variação em caracteres de híbridos simples, triplo e duplo de …

An analysis of yield variation under soil conservation practices

AE Anderson, WA Hammac, DE Stott… - Journal of Soil and …, 2020 - jswconline.org
Much attention has been paid to the effects of multiple soil conservation and soil health
practices on the mean yield of the subsequent crop. Much less research has focused on the …

Event-based rainfall analysis in Sinai, Egypt

TA Gado, M Elkollaly, Y Guo… - Hydrological …, 2024 - Taylor & Francis
This study investigates event-based rainfall characteristics in Sinai (Egypt) using hourly
precipitation data from the Global Satellite Mapping of Precipitation (GSMaP). A hierarchical …

Drill holes spacing analysis for estimation and classification of coal resources based on variogram and kriging

MD Ramadhan, I Marwanza, C Nas… - … Series: Earth and …, 2021 - iopscience.iop.org
In detailed exploration, it is necessary to analyze optimal drill hole distance. Drill hole
spacing analysis results in optimal drill hole spacing on each coal seam for the coal …

[HTML][HTML] Application of equality test of coefficients of variation to the heteroskedasticity test

JM Tovohery, A Totohasina, FD Rajaonasy - American Journal of …, 2020 - scirp.org
The presence of heteroskedasticity in a considered regression model may bias the standard
deviations of parameters obtained by the Ordinary Least Square (OLS) method. In this case …