TQQPlot {Dowd} | R Documentation |

## Student's T Quantile - Quantile Plot

### Description

Creates emperical QQ-plot of the quantiles of the data set x versus of a t distribution. The QQ-plot can be used to determine whether the sample in x is drawn from a t distribution with specified number of degrees of freedom.

### Usage

```
TQQPlot(Ra, df)
```

### Arguments

`Ra` |
Sample data set |

`df` |
Number of degrees of freedom of the t distribution |

### Author(s)

Dinesh Acharya

### References

Dowd, K. Measuring Market Risk, Wiley, 2007.

### Examples

```
# t-QQ Plot for randomly generated standard normal data
Ra <- rnorm(100)
TQQPlot(Ra, 20)
```

[Package

*Dowd*version 0.12 Index]