Learn PySpark by Pramod Singh

Author:Pramod Singh
Language: eng
Format: epub
ISBN: 9781484249611
Publisher: Apress

[Out]:

Min-Max Scaling

Min-max scaling is another version of standard scaling, as it allows you to rescale the feature values between specific limits (mostly, between 0 and 1). You can also rescale the values between 0 and 1, using min-max scaling.[In]: from pyspark.ml.feature import MinMaxScaler

[In]: mm_scaler = MinMaxScaler(inputCol="features", outputCol="mm_scaled_features")

[In]: mm_scaler_model = mm_scaler.fit(df_new)

[In]: rescaled_df = mm_scaler_model.transform(df_new)

[In]: rescaled_df.select("features", "mm_scaled_features").show()

[Out]:

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