Results 11 to 20 of about 14,760,741 (339)
Climatological Study of Ozone over Saudi Arabia
Atmosphere, 2021 In this work, analysis of the variability of total column ozone (TCO) over the Kingdom of Saudi Arabia (KSA) has been conducted during the 1979–2020 period based on the ECMWF-ERA5 dataset.
Saleha Al-Kallas +5 more
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A Novel Food Image Segmentation Based on Homogeneity Test of K-Means Clustering
IOP Conference Series: Materials Science and Engineering, 2020 Data clustering is an important machine-learning topic. It is useful for variety of applications one of them is image segmentation. A given divided image into regions homogenous additional to certain features is the image segmentation process, which ...
Salwa Khalid Abdulateef +2 more
semanticscholar +1 more source
pyHomogeneity: A Python Package for Homogeneity Test of Time Series Data
Journal of Open Research Software, 2023 The pyHomogeneity package is a pure python package for performing homogeneity tests. The homogeneity test is applied to detect one (or more) change-point/breakpoint in the time series or sequential data.
Md. Manjurul Hussain +2 more
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Fast and direct nonparametric procedures in the L-moment homogeneity test [PDF]
Stochastic environmental research and risk assessment (Print), 2016 Regional frequency analysis is an important tool to properly estimate hydrological characteristics at ungauged or partially gauged sites in order to prevent hydrological disasters. The delineation of homogeneous groups of sites is an important first step
P. Masselot, F. Chebana, T. Ouarda
semanticscholar +1 more source
Mathematics, 2020 One of the main problems in comparative studying animal behavior is searching for an adequate mathematical method for evaluating the similarities and differences between behavioral patterns.
Jan Levenets +4 more
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Homogeneity Test of Multi-Sample Covariance Matrices in High Dimensions
Mathematics, 2022 In this paper, a new test statistic based on the weighted Frobenius norm of covariance matrices is proposed to test the homogeneity of multi-group population covariance matrices.
Peng Sun, Yincai Tang, Mingxiang Cao
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Statistical analysis and forecasting monthly temperature of Sanandaj synoptic station with the application of SARIMA model [PDF]
مدلسازی و مدیریت آب و خاک, 2023 Introduction Analysis and modeling of temperature time series are important challenges in predicting the behavior of the climate. Temperature is one of the basic elements of climate formation and the most basic factor in determining the role and ...
Mahmud Ahmadi, Muhammad Kamangar
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Spatio-Temporal Variability in Hydroclimate over the Upper Yangtze River Basin, China
Atmosphere, 2022 As global warming produces dramatic climate changes, water management is facing increasingly serious challenges. Given to the process of climate change and its complex effects on watershed hydrology, this paper investigates the spatial and temporal ...
Ruting Yang, Bing Xing
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Sichuan jingshen weisheng, 2021 The purpose of this paper was to introduce the methods of the "layered person-time data" rate ratio analysis and the SAS implementation. The specific contents included the following four aspects： ① the point estimation and the confidence interval ...
Hu Chunyan, Hu Liangping
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Sichuan jingshen weisheng, 2021 The purpose of the paper was to introduce the relative risk analysis method of g×2×2 table data and the calculation method based on SAS software. The contents included the following aspects： firstly， the homogeneity test of the data in the g×2×2 table ...
Hu Chunyan, Hu Liangping
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