OTL web interface: outlier testing in lifetime data

A web interface, named OTL, is developed to perform outlier analysis in exponential, Weibull, lognormal, and log-Laplace samples online over the Internet through Shiny and R. It is a tool to evaluate the exact or approximate distributions of block and consecutive test statistics for testing the pres...

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Bibliographic Details
Published in:Communications in statistics. Simulation and computation 2024-08, Vol.53 (8), p.3894-3915
Main Authors: Lin, Chien-Tai, Wu, Yu-Nan, Balakrishnan, N., Ling, Man Ho
Format: Article
Language:English
Subjects:
Critical value
Data analysis
Discordancy test
Outliers (statistics)
Spacings
Statistical analysis
Statistical tests
Test procedures
User interface
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Summary:A web interface, named OTL, is developed to perform outlier analysis in exponential, Weibull, lognormal, and log-Laplace samples online over the Internet through Shiny and R. It is a tool to evaluate the exact or approximate distributions of block and consecutive test statistics for testing the presence of outliers that have been discussed over the years in the literature. As it allows for identifying outliers without using the classical extensive tables, OTL can be very useful to academics, policy-makers and executives to compare and understand the results of outlier testing procedures more efficiently in the case of lifetime data.
ISSN:0361-0918
1532-4141
DOI:10.1080/03610918.2022.2116748