Description Usage Arguments Details Value Author(s) References See Also

This function implements the energy criterion defined in Secchi, Vantini, and Zanini (2013).

1 | ```
energy_hica(HICA.obj, maxcomp = 1, nlevel = 1, plot = FALSE)
``` |

`HICA.obj` |
An object provided by the function |

`maxcomp` |
The maximum space dimension considered. |

`nlevel` |
The number of levels analyzed. Specifically the levels from p- |

`plot` |
A logical value. If TRUE the energy is plotted. |

This function computes the energy according the criterion presented in Secchi, Vantini and Zanini (2013). It is useful to find the best representation. It receives in input the output of the `basis_hica`

function.

`energy` |
A matrix with |

`components` |
A matrix with |

`HICA.obj` |
The same object, output of the function |

Piercesare Secchi, Simone Vantini, and Paolo Zanini

P. Secchi, S. Vantini, and P. Zanini (2014). Hierarchical Independent Component Analysis: a multi-resolution non-orthogonal data-driven basis. *MOX-report 01/2014*, Politecnico di Milano.

`basis_hica`

, `similarity_hica`

, `extract_hica`

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