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interval-valued-data-analysis

Interval-Valued Principal Component Analysis and Anomaly Detection

https://github.com/catarinaploureiro/interval-valued-data-analysis

Science Score: 57.0%

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Keywords

interval-valued-data principal-component-analysis statistics symbolic-data
Last synced: 9 months ago · JSON representation ·

Repository

Interval-Valued Principal Component Analysis and Anomaly Detection

Basic Info
  • Host: GitHub
  • Owner: catarinaploureiro
  • Language: R
  • Default Branch: main
  • Homepage:
  • Size: 1.97 MB
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Topics
interval-valued-data principal-component-analysis statistics symbolic-data
Created over 2 years ago · Last pushed over 1 year ago
Metadata Files
Readme Citation

README.md

Interval-valued Data Analysis

Interval-Valued Principal Component Analysis and Anomaly Detection

This repository holds code that implements the method proposed by Lin et al. (2022) (https://doi.org/10.1007/s11634-022-00527-1).

It also holds the code for the appplied work "Air Quality Data Analysis with Symbolic Principal Components" which was presented at the XXVI Congresso da Sociedade Portuguesa de Estatística (https://w3.math.uminho.pt/SPE2023/) and at the Symbolic Data Analysis Workshop 2023 (https://sda2018.wixsite.com/sda2023paris).

This work has now been published:

Loureiro, C.P., Oliveira, M.R., Brito, P., Oliveira, L. (2025). Air Quality Data Analysis with Symbolic Principal Components. In: Henriques-Rodrigues, L., Menezes, R., Machado, L.M., Faria, S., de Carvalho, M. (eds) New Frontiers in Statistics and Data Science. SPE 2021. Springer Proceedings in Mathematics & Statistics, vol 469. Springer, Cham. https://doi.org/10.1007/978-3-031-68949-9_25

Code

  • setup.r contains the implementation of several functions that compose the method.
  • example.r contains a simple example.
  • air_quality.r contains the application of the method on an air quality dataset.

Data

Files containing the air quality dataset obtained from a monitoring station in Entrecampos, Lisbon. Each file corresponds to 9 pollutants' concentration measures during the years 2019, 2020, and 2021. These files were retrieved from the Portuguese Environment Agency database available at https://qualar.apambiente.pt/.

Citation (CITATION.cff) 

cff-version: 1.2.0
message: "If you use this software, please cite it as below."
authors:
- family-names: "P. Loureiro"
  given-names: "Catarina"
  orcid: "https://orcid.org/0009-0001-9464-5824"
title: "interval-valued-data-analysis"
version: 1.0.0
date-released: 2023-12-28
url: "https://github.com/catarinapadrela/interval-valued-data-analysis"

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