Hierarchical Non-Negative Matrix Factorization

HALSacc | Accelerated hierarchical alternating least squares NMF. For a... |

hNMF | Hierarchical non-negative matrix factorization. |

imoverlay | Overlay a mask or a color scaled image on top of a background... |

initializeNMF | Initialize NMF model with initial spectral data |

initializeSPA | The successive projection algorithm, a useful method for... |

oneLevelNMF | Perform Non-Negative Matrix factorization |

PGNMF | NMF by alternating non-negative least squares using projected... |

preProcesInputData | Condition input data matrix properly for NMF |

residualNMF | Computation of relative NMF residual per observation |

scaleNMFResult | Apply fixed scaling to NMF model matrices by normalizing the... |

semiNMF | Semi-NMF based on multiplicative update rules. Reference: C.... |

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