Results 21 to 30 of about 5,517,577 (272)

Trend stationarity versus long-range dependence in time series analysis [PDF]

open access: yes, 2002
Empirically, it is difficult to offer unequivocal judgment as to whether many real economic variables are fractionally integrated or trend stationary.
Marmol, Francesc, Velasco, Carlos
core   +2 more sources

Application of Trend Impact Analysis for predicting future fruit consumption [PDF]

open access: yes, 2009
Knowledge of those aspects that motivate consumers towards more fruit consumption is necessary in order to implement policies to stimulate fruit consumption.
Benninga, J., Hennen, W.H.G.J.
core   +2 more sources

Trend Analysis for the Cooling Period for Sea Water Temperatures in Aegean and Mediterranean Coasts

open access: yesDoğal Afetler ve Çevre Dergisi, 2019
In trend studies, classical approaches such as regression analysis and frequently used Mann-Kendall (MK) methods are bound to lose their usage due to their limitations and assumptions, due to their inability to meet their requirements in terms of binding
Eyüp Şişman
doaj   +1 more source

Trend Analysis of Teenage Pregnancy in Nigeria (1961-2013): How Effective is the Contraceptive Use Campaign [PDF]

open access: yes, 2019
Teenage pregnancy (TP) is a recurrent global and public health problem. It poses both social and health challenges. Considering the massive campaign on the use of modern contraceptives to prevent TP in recent decades, we assessed trends in TP in Nigeria ...
Afolabi, R. F. (Rotimi)   +2 more
core   +3 more sources

AI in Online-Learning Research: Visualizing and Interpreting the Journal Publications from 1997 to 2019

open access: yesInternational Review of Research in Open and Distributed Learning, 2022
This study reviews the journal publications of artificial intelligence-supported online learning (AIoL) in the Web of Science (WOS) database from 1997 to 2019 taking into account the contributing countries/areas, leading journals, highly cited papers ...
Gwo-Jen Hwang, Yun-Fang Tu, Kai-Yu Tang
doaj   +1 more source

The FIRE-IN project: Tsunami-risk related practitioner challenges and 3rd cycle overall results [version 2; peer review: 1 approved, 2 approved with reservations]

open access: yesOpen Research Europe, 2023
This article summarizes the methodology for the identification of practitioners’ challenges of the H2020 funded project FIRE-IN (Fire and Rescue Innovation Network) activities with a strong focus on the natural hazard mitigation working group and ...
Ioannis Tsaloukidis   +10 more
doaj  

A case study of a sporadic sodium layer observed by the ALOMAR Weber Na lidar [PDF]

open access: yesAnnales Geophysicae, 2008
Several possible mechanisms for the production of sporadic sodium layers have been discussed in the literature, but none of them seem to explain all the accumulated observations.
H. Nesse   +11 more
doaj   +1 more source

Spatiotemporal Patterns of Land Surface Temperature Change in the Tibetan Plateau Based on MODIS/Terra Daily Product From 2000 to 2018

open access: yesIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2021
Under the background of climate change, the Tibetan Plateau presents high spatial and temporal variability in land surface temperature (LST). To understand the spatiotemporal patterns of LST change, this article conducted a spatiotemporal analysis using ...
Mengjiao Yang   +3 more
doaj   +1 more source

Longitudinal analysis of ovarian cancer death patterns during a rapid transition period (2005-2020) in Shanghai, China: A population-based study

open access: yesFrontiers in Oncology, 2022
ObjectivesIt is important to assess the burden of ovarian cancer related premature death so as to develop appropriate evidence-based care and improve women’s health. This study aimed to characterize the long-term trends in mortality, survival and disease
Xiaopan Li   +4 more
doaj   +1 more source

Drought indices and trend analysis

open access: yesSelected Scientific Papers: Journal of Civil Engineering, 2020
In recent times, extremely dry seasons have been occurring more and more often in the eastern Slovakia, alternating with extremely wet seasons like torrential floods from extreme rainfall.
Nagy Patrik, Zeleňáková Martina
doaj   +1 more source

Home - About - Disclaimer - Privacy