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# randomSplit(by:seed:)

Creates two mutually exclusive, randomly divided subsets of the table.

```
func randomSplit(by proportion: Double, seed: Int = 1) -> (MLDataTable, MLDataTable)
```

## Parameters

`proportion`

A value between `0.0` and `1.0` indicating the fraction of
rows to go into one subset. The remaining rows go into the other subset.

`seed`

A random number generator seed. The default value is `1`.

## Return Value

Two new data tables.

---

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