Description Usage Arguments Details Value Author(s) See Also Examples

Produces a consistency plot for typical metrology comparison data.

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`x` |
Vector of reported values |

`u` |
Vector of length |

`labels` |
Vector of of length |

`p.adjust.method` |
p-value adjustment method; passed to |

`ordered` |
If |

`breaks` |
Vector of breaks; passed to |

`col` |
Vector of colours of length |

`log.p` |
If |

`main, subtitle` |
Main and subtitle for plot. |

`key` |
If |

`key.width, key.height` |
Width and height of key, if plotted. See details for specification. |

`...` |
Graphical parameters passed to |

Calculates the (square, symmetric matrix of) optionally adjusted p-values for a
two-tailed z-test of `|x[i]-x[j]|/sqrt(u[i]^2+u[j]^2)`

against zero
and plots the p-values as an image.

`p.adjust`

is called prior to plotting to correct for multiple comparisons.
To suppress adjustment, set `p.adjust.method="none"`

.

key.height is a fraction of the figure region height. key.width is the width of the key area in cm, unless under 1, in which case it is interpreted as a fraction of the plot region width.

If `log.p`

is `TRUE`

and `subtitle`

`NULL`

,
a subtitle indicating the use of log.p is added to the plot,

Invisibly returns a matrix of pairwise test p-values or, if `log.p==TRUE`

,
matrix of `-log_10(p)`

.

S Ellison s.ellison@lgc.co.uk

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