Description Usage Arguments Details Value Examples

Check the seasonality of each component of a multiple time series.

1 |

`x` |
T by k data matrix: T data points in rows with each row being data at a given time point, and k time series in columns. |

`period` |
seasonal period. Default value is 12. |

`p` |
Regular AR order. Default value is max(floor(log(T)),1). |

`alpha` |
Type-I error for the t-ratio of seasonal coefficients. Default value is 0.05. |

`output` |
If TRUE it returns if the series has seasonality. Default is TRUE. |

Check the seasonality fitting a seasonal AR(1) model and a regular AR(p) model to a scalar time series and testing if the estimated seasonal AR coefficient is significant.

A list containing:

Seasonal - TRUE or FALSE.

period - Seasonal period.

1 2 | ```
data(TaiwanAirBox032017)
output <- chksea(TaiwanAirBox032017[,1])
``` |

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