daft.DataFrame.sample#
- DataFrame.sample(fraction: float, with_replacement: bool = False, seed: Optional[int] = None) DataFrame[source]#
Samples a fraction of rows from the DataFrame
Example
>>> sampled_df = df.sample(0.5)
- Parameters:
fraction (float) – fraction of rows to sample.
with_replacement (bool, optional) – whether to sample with replacement. Defaults to False.
seed (Optional[int], optional) – random seed. Defaults to None.
- Returns:
DataFrame with a fraction of rows.
- Return type: