object FeatureSampler

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  14. def sample(nth: Int, field: Option[Int]): (SimpleFeature) ⇒ Boolean

    Returns a sampling function that will indicate if a feature should be kept or discarded

    Returns a sampling function that will indicate if a feature should be kept or discarded

    nth

    will keep every nth feature

    field

    field to use for threading of samples

    returns

    sampling function

  15. def sample(percent: Float, field: Option[Int]): Option[(SimpleFeature) ⇒ Boolean]

    Returns a sampling function that will indicate if a feature will be kept or discarded.

    Returns a sampling function that will indicate if a feature will be kept or discarded.

    Since the current implementation rounds heavily, large percentages will not actually sample out any features, so will return None

    percent

    percent of features to keep, between [0, 1]

    field

    field to use for threading of sampling

    returns

    sampling function

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