DataFrame.Sample(Double, Boolean, Nullable<Int64>) Method
Definition
Important
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Returns a new DataFrame by sampling a fraction of rows (without replacement),
using a user-supplied seed.
public Microsoft.Spark.Sql.DataFrame Sample (double fraction, bool withReplacement = false, long? seed = default);member this.Sample : double * bool * Nullable<int64> -> Microsoft.Spark.Sql.DataFramePublic Function Sample (fraction As Double, Optional withReplacement As Boolean = false, Optional seed As Nullable(Of Long) = Nothing) As DataFrameParameters
- fraction
- Double
Fraction of rows
- withReplacement
- Boolean
Sample with replacement or not
Returns
DataFrame object