Results 11 to 20 of about 475,199 (278)

PM2.5 Time Series Imputation with Moving Averages, Smoothing, and Linear Interpolation

open access: yesComputers
In this work, a novel model for hourly PM2.5 time series imputation is proposed for the estimation of missing values in different gap sizes, including 1, 3, 6, 12, and 24 h.
Anibal Flores   +4 more
doaj   +3 more sources

Fast T Wave Detection Calibrated by Clinical Knowledge with Annotation of P and T Waves

open access: yesSensors, 2015
Background: There are limited studies on the automatic detection of T waves in arrhythmic electrocardiogram (ECG) signals. This is perhaps because there is no available arrhythmia dataset with annotated T waves.
Mohamed Elgendi   +2 more
doaj   +1 more source

A factor pricing model based on double moving average strategy

open access: yesHumanities & Social Sciences Communications, 2023
The heterogeneous market hypothesis states that there are different types of investors with different investment term-structures in the stock market.
YuZhi Chen, Yi Fang, XinYue Li, Jian Wei
doaj   +1 more source

Long Run Returns Predictability and Volatility with Moving Averages

open access: yesRisks, 2018
This paper examines how the size of the rolling window, and the frequency used in moving average (MA) trading strategies, affects financial performance when risk is measured.
Chia-Lin Chang   +3 more
doaj   +1 more source

Peramalan Kurs IDR Terhadap USD Menggunakan Double Moving Averages Dan Double Exponential Smoothing

open access: yesJurnal Derivat, 2015
Kurs IDR terhadap USD yang fluktuatif sangat mempengaruhi ekonomi Indonesia saat ini, dibutuhkan suatu metode untuk meramalkan Kurs IDR terhadap USD agar bisa diprediksi.
Padrul Jana   +2 more
doaj   +1 more source

The first 2 years of COVID-19 in Italy: Incidence, lethality, and health policies

open access: yesFrontiers in Public Health, 2022
BackgroundThe novel coronavirus disease 2019 (COVID-19) is an ongoing pandemic that was first recognized in China in December 2019. This paper aims to provide a detailed overview of the first 2 years of the pandemic in Italy.Design and methodsUsing the ...
Pierpaolo Ferrante
doaj   +1 more source

A strong deviation theorem and its application to herding effect

open access: yesResults in Applied Mathematics, 2020
Wang and Yang (2011) studied the strong deviation theorems of the n-th order identical distribution (for short i.d.) random sequences. In the present paper we arrive at the strong deviation theorems for the moving averages of the third order non ...
Zixian Cui   +3 more
doaj   +1 more source

Algorithmic Trading, Price-Based Functions, Daily and Intraday Moving Averages, Average Directional Index (ADX), Buy-and-Hold Strategy [PDF]

open access: yesراهبرد مدیریت مالی
Traders and investors have always sought to maximize profits and manage risks associated with their investments. Over the past decades, various tools have been developed to achieve these objectives.
Hamid Hasani, Saeed Rahimian
doaj   +1 more source

Long Range Dependence for Stable Random Processes

open access: yes, 2020
We investigate long and short memory in $\alpha$-stable moving averages and max-stable processes with $\alpha$-Fr\'echet marginal distributions. As these processes are heavy-tailed, we rely on the notion of long range dependence suggested by Kulik and ...
Makogin, Vitalii   +3 more
core   +1 more source

Voronoi means, moving averages, and power series [PDF]

open access: yes, 2016
We introduce a {\it non-regular} generalisation of the N\"{o}rlund mean, and show its equivalence with a certain moving average. The Abelian and Tauberian theorems establish relations with convergent sequences and certain power series.
Bingham, N. H., Gashi, Bujar
core   +2 more sources

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