Search Results - subject:"Resampling"

Effect of data resampling on feature importance in imbalanced blockchain data : comparison studies of resampling techniques

Alarab, Ismail; Prakoonwit, Simant - In: Data science and management : DSM 5 (2022) 2, pp. 66-76

fraudulent activities in the blockchain network. For this purpose, we seek to compare various resampling methods applied to two … apply various resampling techniques to these datasets using the best performing learning algorithm on each of these datasets … studies. The matchless contribution lies in discussing the effect of the data resampling on feature importance which is …

Persistent link: https://www.econbiz.de/10014517953

Estimating nonlinear network data models with fixed effects

Hughes, David W. - 2023

Persistent link: https://www.econbiz.de/10014319894

Jackknife winsorized variance estimator under imputed data

Sohil, Fariha; Sohail, Muhammad Umair; Shabbir, Javid; … - In: Statistics in transition : an international journal of … 23 (2022) 2, pp. 17-32

In the present study, we consider the problem of missing and extreme values for the estimation of population variance. The presence of extreme values either in the study variable, or the auxiliary variable, or in both of them, can adversely affect the performance of the estimation procedure. We...

Persistent link: https://www.econbiz.de/10013419424

A unified approach to goodness-of-fit testing for spherical and hyperspherical data

Ebner, Bruno; Henze, Norbert; Meintanis, Simos - In: Statistical Papers 65 (2024) 6, pp. 3447-3475

We propose a general and relatively simple method to construct goodness-of-fit tests on the sphere and the hypersphere. The method is based on the characterization of probability distributions via their characteristic function, and it leads to test criteria that are convenient regarding...

Persistent link: https://www.econbiz.de/10015358841

Cluster based oversampling for imbalanced classification

Di Credico, Gioia; Torelli, Nicola - 2024

Persistent link: https://www.econbiz.de/10015047615

Multi-class random forest model to classify wastewater treatment imbalanced data

Distefano, Veronica; Palma, Monica; De Iaco, Sandra - In: Socio-economic planning sciences : the international … 95 (2024), pp. 1-10

Persistent link: https://www.econbiz.de/10015101691

An efficient hybrid algorithm to solve credit scoring problem

Barhdadi, Mohamed; Benyacoub, Badreddine; Ouzineb, Mohamed - 2023

Persistent link: https://www.econbiz.de/10014336390

Monetary Policy Communications and Their Effects on Household Inflation Expectations

Coibion, Olivier - 2020

We study how different forms of communication influence inflation expectations in a randomized controlled trial using nearly 20,000 U.S. individuals. We elicit individuals' inflation expectations in the Nielsen Homescan panel and then provide eight different forms of information regarding...

Persistent link: https://www.econbiz.de/10012850405

The Effects of Decentralized and Video-Based Extension on the Adoption of Integrated Soil Fertility Management – Experimental Evidence from Ethiopia

Hörner, Denise - 2020

The slow adoption of new agricultural technologies is an important factor in explaining persistent productivity deficits among smallholders in Sub-Saharan Africa (SSA). Farmers delay in particular the uptake of technology packages. Since knowledge constraints are an important barrier to...

Persistent link: https://www.econbiz.de/10012840008

Tenfold bootstrap as resampling method in classification problems

Vrigazova, Borislava - In: Proceedings of the ENTRENOVA - ENTerprise REsearch … 6 (2020) 1, pp. 74-83

algorithms for classification. We show that this resampling method can be a reliable alternative to cross validation and repeated …

Persistent link: https://www.econbiz.de/10012542916