# Compute the noncentrality parameter of an F distribution

### Description

This is an internal function. `FNONCT`

compute the value of the noncentrality parameter of an F distribution.

### Usage

1 2 |

### Arguments

`x` |
a numeric contains the |

`df1` |
a numeric contains the numerator degrees of freedom parameter |

`df2` |
a numeric contains the denominator degrees of freedom parameter |

`prob` |
a numeric contains the probability |

`interval` |
a numeric vector contains the end-points of the interval to be searched |

`my.tol` |
the desired accuracy |

### Value

Return a numeric contains the noncentrality parameter.

### Author(s)

Yasuyuki Okumura

Department of Social Psychiatry,

National Institute of Mental Health,

National Center of Neurology and Psychiatry

yokumura@blue.zero.jp

### References

Kline RB (2004) Beyond significance testing: Reforming data analysis methods in behavioral research. Washington: American Psychological Association.

### Examples

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