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A modified version of diagonal systematic sampling in the presence of linear trend. [PDF]

PLoS ONE, 2022
Systematic sampling is one of the simplest and popular methods for selecting a random sample from a finite population. The diagonal systematic sampling scheme is a type of systematic sampling design which has gained the attention of researchers during ...
Muhammad Azeem
doaj   +2 more sources

An improved version of systematic sampling design for use with linear trend data [PDF]

Heliyon, 2023
Muhammad Azeem, Musarrat Ijaz, Abdul Salam   +2 more
exaly   +2 more sources

Conducting systematic sampling.

Indian J Occup Environ Med, 2015
Raina SK.
europepmc   +4 more sources

Tardigrades from Iztaccíhuatl Volcano (Trans-Mexican Volcanic Belt), with the Description of Minibiotus citlalium sp. nov. (Eutardigrada: Macrobiotidae)

Diversity, 2020
The study of tardigrade diversity in Mexico is at early stage of development, to date, 56 extant species have been reported. To identify the tardigrade fauna associated with mosses in the Iztaccíhuatl volcano, we performed a systematic sampling along an ...
Alba Dueñas-Cedillo, Evelyn Martínez-Méndez, Jazmín García-Román, Francisco Armendáriz-Toledano, Enrico Alejandro Ruiz   +4 more
doaj   +1 more source

Estimation of multivariate design quantiles for drought characteristics using joint return period analysis, Vine copulas, and the systematic sampling method

Journal of Water and Climate Change, 2023
The Wei River Basin has suffered from severe droughts. It is essential to build drought relief projects to cope with drought disasters. Traditionally, design quantiles have been estimated using univariate analysis, in which multiple characteristics of ...
Jie Yang, Jun Yao
doaj   +1 more source

A PRELIMINARY STUDY OF SENTIMENT ANALYSIS ON COVID-19 NEWS: LESSON LEARNED FROM DATA ACQUISITION, PRE-PROCESSING, AND DESCRIPTIVE ANALYTICS

Barekeng, 2023
Sentiment analysis is a method used to analyze opinions and feelings. The goal of sentiment analysis is to determine whether a document contains a positive or negative emotion.
Rahmatin Nur Amalia, Kusman Sadik, Khairil Anwar Notodiputro   +2 more
doaj   +1 more source

Modified Systematic Sampling with Multiple Random Starts

Revstat Statistical Journal, 2018
Systematic sampling has been facing two problems since its beginning; situational complications, e.g., population size N not being a multiple of the sample size n, and unavailability of unbiased estimators of population variance for all possible ...
Sat Gupta , Zaheen Khan , Javid Shabbir
doaj   +1 more source

Adequate Placental Sampling for the Diagnosis and Characterization of Placental Infection by Zika Virus

Frontiers in Microbiology, 2020
The detection of Zika virus (ZIKV) in immunoprivileged anatomical sites, potential sites for viral persistence, may guide the confirmation of undefined cases of ZIKV infection and also bring to light unknown pathways of viral transmission.
Emanuella Meneses Venceslau, José Paulo Siqueira Guida, Guilherme de Moraes Nobrega, Ana Paula Samogim, Pierina Lorencini Parise, Rodolfo Rosa Japecanga, Daniel Augusto de Toledo-Teixeira, Julia Forato, Arthur Antolini-Tavares, Arethusa Souza, Albina Altemani, Silvio Roberto Consonni, Renato Passini, Eliana Amaral, Jose Luiz Proenca-Modena, Maria Laura Costa, The Zika-Unicamp Network, John D. Horowitz, Glaucia Maria Pastore, Helaine Maria Besteti Pires Mayer-Milanez, Carolina C. Ribeiro-do-Valle, Roseli Calil, João Renato Bennini Junior, Giuliane Jesus Lajos, Maria Luiza Moretti, Mariangela Ribeiro Resende, Márcia Teixeira Garcia, Rodrigo Nogueira Angerami, Kleber Yotsumoto Fertrin, Marcos Tadeu Nolasco da Silva, Ana Carolina Coan, Santos Maria Francisca Colella, Andrea Paula Bruno von Zuben, André Ricardo Ribas Freitas, Marco Aurélio Ramirez Vinolo, Rodrigo Ramos Catharino, Fábio Trindade Maranhão Costa, Clarice Weis Arns, Matheus Martini, é vellyn Ribeiro de Morais   +39 more
doaj   +1 more source

Determination of Sample Size and Observation Units

International Journal of Assessment Tools in Education, 2019
The purpose of this study was to write programsto define sampling sizes and observation units by probability sampling methodsand to provide an idea for software developers. Thealgorithms of the programs were written in Python 3.
Tülin Acar
doaj   +1 more source

EVALUATION OF BONE-TO-IMPLANT CONTACT AND BONE DENSITY ADJACENT TO TITANIUM IMPLANTS USING A STEREOLOGICAL TECHNIQUE ON GROUND SECTIONS

Image Analysis and Stereology, 2011
When bone implants have to be examined in situ ground sections are required. Histomorphometric measurements are usually performed on two-dimensional sections, causing biased results when they are wrongly extrapolated to 3D without any knowledge of ...
Dimitra Balatsouka, Klaus Gotfredsen, Hans Jørgen G Gundersen   +2 more
doaj   +1 more source