Description Usage Arguments Details Value Author(s) Examples

Calculate the skewness index of an empirical distribution.

1 | ```
skew(x)
``` |

`x` |
Vector of data. |

The skewness measures the asymmetry of a probability distribution. If a positive skewness identifies a greater right tail, a negative skewness is symptom of a greater left tail of the distribution.

The skewness is calculated as: *k_{3} / k_{2}^{1.5}*, where *k_{2}* and *k_{3}* are
respectively the second and the third moment of the distribution.

The skewness index.

Davide Massidda davide.massidda@humandata.it

1 2 3 4 |

```
Reaction Time Analysis (version 0.1-2)
[1] 1.702413
```

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