Description Usage Arguments References Examples

View source: R/Parametric_functions.R

This function calculates Ashman's D, which is a measure of how well differentiated two distributions (distribution components) are. For instance, if the two distributions are identical, this statistic is zero. A good rule of thumb is that if the statistic is above ~2, there is good separation. If you suspect that your data is bimodal this can be used by replicating the suspected mixture components and checking the statistic. Alternatively, if the components are known outright this is straightforward to implement.

1 |

`mu1` |
The mean of mode 1 |

`mu2` |
The mean of mode 2 |

`sd1` |
The standard deviation of mode 1 |

`sd2` |
The standard deviation of mode 2 |

`...` |
Pass through arguments. |

Ashman, K., Bird, C., & Zepf, S. (1994). Detecting bimodality in astronomical datasets. The Astronomical Journal, 2348-2361.

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modes documentation built on May 20, 2017, 2:15 a.m.

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