Results 21 to 30 of about 1,450,751 (297)

INFORMATION TECHNOLOGIES OF THE STATISTICAL DATA ANALYSIS WITHIN THE SYSTEM OF HIGHER PSYCHOLOGICAL EDUCATION

open access: yesСтатистика и экономика, 2016
The features of using information technologies within applied statisticians in psychology are considered in the article. Requirements to statistical preparation of psychology students in the conditions of information society are analyzed.
Svetlana V. Smirnova   +1 more
doaj   +1 more source

Research on Ethanol Coupling to Prepare C4 Olefins Based on BP Neural Network and Cluster Analysis

open access: yesJournal of Chemistry, 2022
Ethanol, as a clean energy source, is an ideal raw material for the preparation of C4 olefins, but there are few studies on the preparation of C4 olefins by the coupling of ethanol.
Sheng-Mei Zhang   +4 more
doaj   +1 more source

Department of Applied Mathematics and Statistics newsletter, September 25, 2023 [PDF]

open access: yes, 2023
Newsletter of the Department of Applied Mathematics and Statistics at Colorado School of ...

core  

Mean Estimation of a Sensitive Variable under Nonresponse Using Three-Stage RRT Model in Stratified Two-Phase Sampling

open access: yesJournal of Probability and Statistics, 2022
The present study addresses the problems of mean estimation and nonresponse under the three-stage RRT model. Auxiliary information on an attribute and variable is used to propose a generalized class of exponential ratio-type estimators.
Ronald Onyango   +2 more
doaj   +1 more source

Department of Applied Mathematics and Statistics newsletter, September 18, 2023 [PDF]

open access: yes, 2023
Newsletter of the Department of Applied Mathematics and Statistics at Colorado School of ...

core  

Utilizing Visible Band Vegetation Indices from Unmanned Aerial Vehicle Images for Maize Phenotyping

open access: yesRemote Sensing
Recent advancements in high-throughput phenotyping have led to the use of drones with RGB sensors for evaluating plant traits. This study explored the relationships between vegetation indices (VIs) with grain yield and morphoagronomic and physiological ...
Guilherme Gonçalves Coswosk   +13 more
doaj   +1 more source

Applied statistics in field and semi-field studies with bees

open access: yesJulius-Kühn-Archiv, 2020
Field and semi-field studies are important tools in the ecotoxicological risk assessment of plant protection products for bees (honey bees, bumblebees and solitary bees).
Zumkier, Ulrich   +4 more
doaj   +1 more source

Nightlight as a Proxy of Economic Indicators: Fine-Grained GDP Inference around Chinese Mainland via Attention-Augmented CNN from Daytime Satellite Imagery

open access: yesRemote Sensing, 2021
The official method of collecting county-level GDP values in the Chinese Mainland relies mainly on administrative reporting data and suffers from high costs of time, money, and human labor.
Haoyu Liu   +6 more
doaj   +1 more source

Department of Applied Mathematics and Statistics newsletter, November 4, 2023 [PDF]

open access: yes, 2023
Newsletter of the Department of Applied Mathematics and Statistics at Colorado School of ...

core  

Integrating GIS and Official Statistics Using GISINTEGRATION

open access: yesAppliedMath
Geospatial–statistical integration remains a persistent bottleneck for official statistics and applied spatial analysis. The GISINTEGRATION R package provides a modular, reproducible workflow for preprocessing, harmonizing, and linking heterogeneous GIS ...
Hossein Hassani   +3 more
doaj   +1 more source

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