Description Usage Arguments Details

View source: R/simplifyEMMLi.R

Identifies candidates for merging in simplifyEMMLi. Candidates are selected if their between-module rho is larger than either of their within-module rhos by a factor of 2*sd of the combined within-module correlations of the landmarks in the modules when pooled.

Experimental function - use with caution. Attempts to simplify a fitted EMMLi model, looking for a simpler model that fits the data better by merging modules. Pairs of modules are identified as candidates for merging if their between-module rho is higher than either of the within-module rhos by more than 2 * SD of the modules combined. This repeats until the model does not change or improve.

1 2 3 4 | ```
identifyCandidates(fitted_emmli, corr_matrix, models)
simplifyEMMLi(fitted_emmli, corr_matrix, models, candidates = NULL,
correction = "normal", N_sample)
``` |

`fitted_emmli` |
Fitted EMMLi model output. |

`corr_matrix` |
The correlation matrix that EMMLi was fitted to. |

`models` |
The original models that EMMLi tested. |

`candidates` |
A list of pairs of modules to test merging (each element is a vector of length 2 with module numbers). |

`correction` |
if "normal" uses the normal EMMLi calculation for K, if "new" then uses the experimental adjustment to AICc (adding nmodules - 1 to K). Not reccommended. |

`N_sample` |
The sample size for the original EMMLi fit. |

`fitted_emmli` |
Fitted EMMLi model output. |

`corr_matrix` |
The correlation matrix that EMMLi was fitted to. |

`models` |
The original models that EMMLi tested. |

Alternatively, pairs of modules can be offered as candidates for merging - in this instance there is not exploration and just the suggested pairs are tested. Pairs are offered as a list, where each element is a vector of two module numbers.

hferg/EMMLiv2 documentation built on Nov. 30, 2017, 4:35 p.m.

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