Results 21 to 30 of about 2,425,653 (248)

K-sharp: A segmented regression approach for image sharpening and normalization

open access: yesScience of Remote Sensing, 2023
In recent decades, Earth Observation (EO) satellite missions have improved in spatial resolution and revisit times. These missions, traditionally government-funded, utilize state-of-the-art technology and rigorous instrument calibration, with each ...
Bruno Aragon   +4 more
doaj   +1 more source

Decrease in household secondhand smoking among Korean adolescents associated with smoke-free policies: grade-period-cohort and interrupted time series analyses [PDF]

open access: yesEpidemiology and Health, 2023
OBJECTIVES Smoke-free areas have expanded and related campaigns have been implemented since 1995 in Korea. As a result, household secondhand smoke (SHS) exposure has decreased over the past 15 years.
Hana Kim, Heewon Kang, Sung-il Cho
doaj   +1 more source

Breast Cancer Screening Trends among Lower Income Women of New York: A Time-Series Evaluation of a Population-Based Intervention

open access: yesEuropean Journal of Breast Health, 2020
Objective:This study aimed to compare the screening rate trends of mammography among New York State’s lower-income women and the higher-income women from 1988 to 2010, and evaluate the potential influence of New York State’s Breast Cancer Early Detection
Shizhen He, Stephen W. Pan
doaj   +1 more source

Evaluating the Effect of COVID-19 on Outpatient Opioid Utilization Among Health First Colorado Members and a National Non-Medicaid Cohort: An Interrupted Time Series Analysis

open access: yesTherapeutics and Clinical Risk Management, 2023
Heather D Anderson,1 Vanessa Paul Patterson,1 Garth Wright,1 Julia E Rawlings,1 Gina D Moore,1 Jim Leonard,2 Robert L Page II1 1Department of Clinical Pharmacy, University of Colorado Skaggs School of Pharmacy and Pharmaceutical Sciences, Anschutz ...
Anderson HD   +6 more
doaj  

A simulation study to compare some estimation methods for the multiple change points segmented regression model

open access: yesمجلة الدراسات الاقتصادية والادارية, 2023
Segmented regression is one of the statistical methods that are used to represent and model phenomena that go through several transitional stages. The basic concept of segmented regression depends on the presence of a certain point in the explanatory ...
Assistant teacher Muhammed Ahmed Abbas
doaj   +1 more source

Segmented Regression Based on B-Splines with Solved Examples [PDF]

open access: yesStatistika: Statistics and Economy Journal, 2015
The subject of the paper is segmented linear, quadratic, and cubic regression based on B-spline basis functions. In this article we expose the formulas for the computation of B-splines of order one, two, and three that is needed to construct linear ...
Miloš Kaňka
doaj  

A Note on Confidence Bands in Bilinear Segmented Regression [PDF]

open access: yes, 1981
6 pages, 1 article*A Note on Confidence Bands in Bilinear Segmented Regression* (Piegorsch, Walter W.) 6 ...
Piegorsch, Walter W.   +3 more
core   +6 more sources

Investigating the Marginal and Herd Effects of COVID-19 Vaccination for Reducing Case Fatality Rate: Evidence from the United States between March 2021 to January 2022

open access: yesVaccines, 2023
Vaccination campaigns have been rolled out in most countries to increase vaccination coverage and protect against case mortality during the ongoing pandemic.
Tenglong Li   +3 more
doaj   +1 more source

Data from: Recent adverse mortality trends in Scotland: comparison with other high-income countries.

open access: yes, 2019
Objective Gains in life expectancy have faltered in several high-income countries in recent years. We aim to compare life expectancy trends in Scotland to those seen internationally, and to assess the timing of any recent changes in mortality trends for ...
McCartney, Gerry   +6 more
core   +1 more source

Modelling and Differential Quantification of Electric Cell-Substrate Impedance Sensing Growth Curves

open access: yesSensors, 2021
Measurement of cell surface coverage has become a common technique for the assessment of growth behavior of cells. As an indirect measurement method, this can be accomplished by monitoring changes in electrode impedance, which constitutes the basis of ...
Anna Ronja Dorothea Binder   +2 more
doaj   +1 more source

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