Description Usage Arguments Details Value Author(s) References Examples

View source: R/ordinal_pattern_distribution.R

Computation of the ordinal patterns of a time series (see e.g. Bandt and Pompe 2002)

1 | ```
ordinal_pattern_distribution(x, ndemb)
``` |

`x` |
A numeric vector (e.g. a time series), from which the ordinal pattern distribution is to be calculated |

`ndemb` |
Embedding dimension of the ordinal patterns (i.e. sliding window size). Should be chosen such as length(x) >> ndemb |

This function returns the distribution of ordinal patterns using the Keller coding scheme, detailed in Physica A 356 (2005) 114-120. NA values are allowed, and any pattern that contains at least one NA value will be ignored. (Fast) C routines are used for computing ordinal patterns.

A character vector of length factorial(ndemb) is returned.

Sebastian Sippel

Bandt, C. and Pompe, B., 2002. Permutation entropy: a natural complexity measure for time series. Physical review letters, 88(17), p.174102.

1 2 | ```
x = arima.sim(model=list(ar = 0.3), n = 10^4)
ordinal_pattern_distribution(x = x, ndemb = 6)
``` |

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