Description Usage Arguments Details Author(s) References Examples

A QQ plot designed with statistics students in mind

1 |

`x` |
A vector of data |

`ax` |
The name you want to call |

`leg` |
Optional argument that places a legend in the top left of the plot with the text given by |

`cex.leg` |
Optional argument that gives the magnification of the text in the legend |

This function gives a "QQ plot" that is more easily interpreted than the standard QQ plot. Instead of plotting quantiles, it plots the observed values of `x`

versus the values expected had `x`

come from a Normal distribution.

The distribution can be considered approximately Normal if the points stay within the upper/lower dashed red lines (with the possible exception at the far left/right) and if there is no overall global curvature.

Adam Petrie

Introduction to Regression and Modeling

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regclass documentation built on May 29, 2017, 11:15 p.m.

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