Transform Data by Using Apache Spark– Transform, Manage, and Prepare Data
import pandas as pddf = spark.read.option(“header”, “true”).parquet( “wasbs://<container>@<endpoint>/transformedBrainwavesV1.parquet”)pdf = df.select(df.SCENARIO, df.ELECTRODE, df.FREQUENCY, df.VALUE.cast(‘float’)).toPandas() 5. Add another cell ➢ enter then following syntax ➢ and then run the code. 6....
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