Description Usage Arguments Value Author(s) References See Also

Returns information on the construction of the treelet hierarchical tree on which the basis functions are supported.

1 | ```
Build_JTree(C, cc, maxlev, whichsave)
``` |

`C` |
the covariance matrix of the data. For example, if using this function on genetics data to improve estimates of heritability, as in the Crossett et al arXiv paper, this argument will be the estimated additive genetic relationship matrix |

`cc` |
the correlation matrix of the data. |

`maxlev` |
the maximum height of the tree. This must be an integer between 1 and |

`whichsave` |
a vector containing the levels of the tree, specified as integers between 1 and |

a list with components

`Zpos` |
A matrix of dimension |

`T` |
This is a list with |

`PCidx` |
A matrix of dimension |

`all_nodes` |
A matrix of dimension |

`TreeCovs` |
This is a list with |

Trent Gaugler gauglert@lafayette.edu

Lee, AB, Nadler, B, Wasserman, L (2008). Treelets - an adaptive multi-scale basis for sparse unordered data. The Annals of Applied Statistics 2: 435-471. http://www.stat.cmu.edu/~annlee/AOAS137.pdf

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