Results 21 to 30 of about 846,521 (198)

Possibilities of Practical Use of Historical Distributions of Ash, Sulfur and Mercury Contents in Commercial Steam Coal of the USCB

open access: yesEntropy, 2021
In the process of extracting hard coal, extensive databases are created on its quality parameters. A statistical assessment was made of the ash, sulfur, and mercury content of commercial coals produced in the Upper Silesian Coal Basin (USCB).
Ireneusz Pyka   +2 more
doaj   +1 more source

Parametric test for non-normally distributed continuous data: For and against

open access: yesElectronic Physician, 2019
Choosing between parametric and non-parametric statistical tests for analysis of non-normally distributed continuous data is a long-standing controversy.
Umesh Wadgave, Mahesh Ravindra Khairnar
doaj   +1 more source

Normality assessment, few paradigms and use cases

open access: yesRomanian Journal of Laboratory Medicine, 2022
Background: The importance of applying the normality tests is underlined by the way of continuing the statistical protocol for numerical data within inferential statistics, respectively by the parametric or non-parametric tests that we will apply further
Avram Călin, Mărușteri Marius
doaj   +1 more source

Investigation of frequency changes trend of days with dust storms in western half of Iran [PDF]

open access: yesمخاطرات محیط طبیعی, 2016
In this research, daily and hourly data of dust storms (horizontal vision and meteorology codes) at 26 synoptic stations of western Iran for the period of 1990–2013has been used in order toidentifying and determining trend of dust-storm-frequencies.
Batool Zeinali
doaj   +1 more source

Parametric and non-parametric estimation of reference intervals for routine laboratory tests: an analysis of health check-up data for 260 889 young men in the South Korean military

open access: yesBMJ Open, 2022
Objectives Determination of reference intervals (RIs) using big data faces several obstacles due to heterogeneity in analysers, period and ethnicity.
Taeyun Kim, Hyunji Choi, Sun Min Lee
doaj   +1 more source

Keyed Non-Parametric Hypothesis Tests

open access: yes, 2020
The recent popularity of machine learning calls for a deeper understanding of AI security. Amongst the numerous AI threats published so far, poisoning attacks currently attract considerable attention.
A Kerckhoffs   +7 more
core   +1 more source

Proposal of rainwater harvesting coefficient (RWHC) for determination of effectively usable rainfall depth, relevant to rainwater harvesting systems design

open access: yesRBRH, 2018
The study measures rainfall data to determine a rainwater harvesting coefficient revelant to rainwater harvesting and catchment projects assisted by non-parametric statistics tests, based on assumption that part of the total rainfall depth is discarded ...
Jairo dos Passos Corrêa   +3 more
doaj   +1 more source

Relationship between Project Space Types, Optimize Energy Performance Credit, and Project Size in LEED-NC Version 4 (v4) Projects: A Case Study

open access: yesBuildings, 2022
A previous study (Pushkar 2021) showed a significant non-parametric correlation between the Optimize Energy Performance credit from the energy and atmosphere category (EAc7) and project size in Leadership in Energy and Environmental Design for New ...
Svetlana Pushkar
doaj   +1 more source

Contemporary Temperature Fluctuation in Urban Areas of Pakistan

open access: yesAtmosphere, 2017
Annual temperature data from thirty meteorological stations in Pakistan’s major urban areas were selected to investigate trends in annual average and maximum temperature during 1970–2009.
Raheel Anjum   +3 more
doaj   +1 more source

A Guide to Selecting the Appropriate Statistical Tests for Proposals and Articles in Medical Sciences [PDF]

open access: yesStrides in Development of Medical Education, 2014
Background & Objective: The main purpose of medical researches is to answer a research question or to solve a problem to promote the health of a society The first objective is to answer the research question correctly with minimal errors The second ...
Mohammad Reza Baneshi   +2 more
doaj  

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