Results 11 to 20 of about 349,334 (290)

Detecting Spacecraft Anomalies Using LSTMs and Nonparametric Dynamic Thresholding [PDF]

open access: yesKnowledge Discovery and Data Mining, 2018
As spacecraft send back increasing amounts of telemetry data, improved anomaly detection systems are needed to lessen the monitoring burden placed on operations engineers and reduce operational risk.
K. Hundman   +4 more
semanticscholar   +1 more source

Parametrik Olmayan Kovaryans Analizinde Kullanılan Metotlar

open access: yesDüzce Tıp Fakültesi Dergisi, 2018
Amaç: Parametrik kovaryans analizi (ANCOVA) varsayımlarının sağlanamaması ve/veya bağımlı değişkenin iki değerli/sıralayıcı ölçekli olması durumunda, parametrik olmayan ANCOVA yaklaşımlarından yararlanılmaktadır. Parametrik olmayan ANCOVA metodolojisinde
Şengül CANGÜR   +2 more
doaj   +1 more source

Construction of an Entropy Estimator with a Special Metrics and an Arbitrary Function

open access: yesМоделирование и анализ информационных систем, 2013
The paper proposes a generalization of entropy as in [1]. At first, to constract the estimator, we select the metrics on the space of sequances. This metrics is based on a matrix that can be interpreted as an edge coloring of a complete graph with loops.
N. E. Timofeeva
doaj   +1 more source

Penalty analysis is an efficient tool for food product development: Case study with lemonades [PDF]

open access: yesJournal on Processing and Energy in Agriculture, 2022
Although penalty analysis has been used for product development for many years, its application is less widespread. Penalty analysis provides a quick and easy way to identify those sensory attributes that significantly influence consumers' preferences ...
Gere Attila
doaj  

Evaluation of stability parameters for the selection of stable and superior sunflower genotypes

open access: yesCogent Food & Agriculture, 2023
The study was conducted to evaluate the performance of 10 sunflower genotypes in 12 environments during 2017 and 2018 cropping seasons with RCBD design.
Birhanu Mengistu, Mohammed Abu
doaj   +1 more source

Do Nonparametric Measures of Extreme Equity Risk Change the Parametric Ordinal Ranking? Evidence from Asia

open access: yesRisks, 2018
There has been much discussion in the literature about how central measures of equity risk such as standard deviation fail to account for extreme tail risk of equities.
Robert J. Powell   +2 more
doaj   +1 more source

A comparison of phase I control charts

open access: yesSouth African Journal of Industrial Engineering, 2015
A carefully done Phase I analysis is a vital part of an overall statistical process control and monitoring regime. Distribution-free control charts can play a useful role in this analysis, as a parametric model assumption often cannot be adequately ...
Coelho, Margarethe   +2 more
doaj   +1 more source

Performing Parallel Monte Carlo and Moment Equations Methods for Itô and Stratonovich Stochastic Differential Systems: R Package Sim.DiffProc

open access: yesJournal of Statistical Software, 2020
We introduce Sim.DiffProc, an R package for symbolic and numerical computations on scalar and multivariate systems of stochastic differential equations (SDEs). It provides users with a wide range of tools to simulate, estimate, analyze, and visualize the
Arsalane Chouaib Guidoum   +1 more
doaj   +1 more source

Estimating nonlinear intergenerational income mobility with correlation curves

open access: yesEconomics: Journal Articles, 2019
A correlation curve is introduced as a tool to study the degree of intergenerational income mobility, i.e. how income status is related between parents and adult child.
Nilsson William
doaj   +1 more source

Nonparametric Estimation from Incomplete Observations

open access: yes, 1958
In lifetesting, medical follow-up, and other fields the observation of the time of occurrence of the event of interest (called a death) may be prevented for some of the items of the sample by the previous occurrence of some other event (called a loss ...
E. Kaplan, P. Meier
semanticscholar   +1 more source

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