| Name | Description |
|---|---|
| DiscardMissing | Handle missing values by discarding any rows that have missing values. |
| MeanAndModeMissing | Handle missing values by inserting the mode for a class, and the mean for a number. |
| NegateMissing | Handle missing values by attempting to negate their effect. The midpoint of the normalized range of each value is used. This is a zero for [-1,1] or 0.5 for [0,1]. |