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Showing posts with the label Pyspark

How Does The Collectasmap() Function Work For Spark Api

I am trying to understand as to what happens when we run the collectAsMap() function in spark. As p… Read more How Does The Collectasmap() Function Work For Spark Api

Best Way To Get Null Counts, Min And Max Values Of Multiple (100+) Columns From A Pyspark Dataframe

Say I have a list of column names and they all exist in the dataframe Cols = ['A', 'B&… Read more Best Way To Get Null Counts, Min And Max Values Of Multiple (100+) Columns From A Pyspark Dataframe

Pyspark_python Setup In Jupyter Notebooks Is Ignored

I've been trying to setup PYSPARK_PYTHON from a juputer notebook(using jupyter lab) to use a sp… Read more Pyspark_python Setup In Jupyter Notebooks Is Ignored

Spark-submit With Specific Python Librairies

I have a pyspark code depending on third party librairies. I want to execute this code on my cluste… Read more Spark-submit With Specific Python Librairies

Pyspark 2.1: Importing Module With Udf's Breaks Hive Connectivity

I'm currently working with Spark 2.1 and have a main script that calls a helper module that con… Read more Pyspark 2.1: Importing Module With Udf's Breaks Hive Connectivity

How To Compare Strings Without Case Sensitive In Spark Rdd?

I have following Dataset drug_name,num_prescriber,total_cost AMBIEN,2,300 BENZTROPINE MESYLATE,1,15… Read more How To Compare Strings Without Case Sensitive In Spark Rdd?

Run Different Classifiers/algorithms In Parallel Using Spark

I have a dataset and I wanted to test different classifiers in parallel using Spark with Python. Fo… Read more Run Different Classifiers/algorithms In Parallel Using Spark

How To Select Columns Using Dynamic Select Query Using Window Function

I have sample input dataframe as below, but the value (clm starting with m) columns can be n number… Read more How To Select Columns Using Dynamic Select Query Using Window Function