tsfeatures: lumpiness – R documentation

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lumpiness

Time series features based on tiled windows

Description

Computes feature of a time series based on tiled (non-overlapping) windows. Means or variances are produced for all tiled windows. Then stability is the variance of the means, while lumpiness is the variance of the variances.

Usage

lumpiness(x, width = ifelse(frequency(x) > 1, frequency(x), 10))

stability(x, width = ifelse(frequency(x) > 1, frequency(x), 10))

Arguments

`x`	a univariate time series
`width`	size of sliding window

Value

A numeric vector of length 2 containing a measure of lumpiness and a measure of stability.

Author(s)

Earo Wang and Rob J Hyndman

tsfeatures

Time Series Feature Extraction

v1.0.2

GPL-3

Authors

Rob Hyndman [aut, cre] (<https://orcid.org/0000-0002-2140-5352>), Yanfei Kang [aut] (<https://orcid.org/0000-0001-8769-6650>), Pablo Montero-Manso [aut], Thiyanga Talagala [aut] (<https://orcid.org/0000-0002-0656-9789>), Earo Wang [aut] (<https://orcid.org/0000-0001-6448-5260>), Yangzhuoran Yang [aut], Mitchell O'Hara-Wild [aut] (<https://orcid.org/0000-0001-6729-7695>), Souhaib Ben Taieb [ctb], Cao Hanqing [ctb], D K Lake [ctb], Nikolay Laptev [ctb], J R Moorman [ctb]

Initial release