Compute the top decile lift and plot the lift curve

`TopDecileLift`

computes the commonly used top decile lift by ordering the data by the predictions, and computing the proportion of positives in the top 10%.

1 | ```
TopDecileLift(predicted, labels)
``` |

`predicted` |
A numeric vector with the classifier's predicted scores / probabilities |

`labels` |
An integer vector containing binary labels with values 0,1 |

a scalar denoting the top decile lift

Steven Hoornaert, Michel Ballings, Dirk Van den Poel, Maintainer: Steven.Hoornaert@UGent.be

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