The RowMatrix class was actually part of the older version of PySpark (before version 3.0),…
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PySpark : RowMatrix in PySpark : Distributed matrix consisting of rows
RowMatrix is a class in PySpark’s MLLib library that represents a distributed matrix consisting of rows. Each row in the…
PySpark : cannot import name ‘RowMatrix’ from ‘pyspark.ml.linalg’
The RowMatrix class was actually part of the older version of PySpark (before version 3.0), which was under the pyspark.mllib.linalg…
PySpark : Py4JJavaError: An error occurred while calling o46.computeSVD.
The error message “Py4JJavaError: An error occurred while calling o46.computeSVD” usually occurs when there is an issue with the singular…
PySpark : TypeError: Cannot convert type into Vector
The error message “TypeError: Cannot convert type <class ‘pyspark.ml.linalg.DenseVector’> into Vector” usually occurs when you are trying to use an…
MapReduce vs. Spark – A Comprehensive Guide with example
MapReduce and Spark are two widely-used big data processing frameworks. MapReduce was introduced by Google in 2004, while Spark was…
PySpark : Dropping duplicate rows in Pyspark – A Comprehensive Guide with example
PySpark provides several methods to remove duplicate rows from a dataframe. In this article, we will go over the steps…
PySpark : Replacing null column in a PySpark dataframe to 0 or any value you wish.
To replace null values in a PySpark DataFrame column that contain null with a numeric value (e.g., 0), you can…
PySpark : unix_timestamp function – A comprehensive guide
One of the key functionalities of PySpark is the ability to transform data into the desired format. In some cases,…
PySpark : Reading parquet file stored on Amazon S3 using PySpark
To read a Parquet file stored on Amazon S3 using PySpark, you can use the following code: from pyspark.sql import…
PySpark : Setting PySpark parameters – A complete Walkthru [3 Ways]
In PySpark, you can set various parameters to configure your Spark application. These parameters can be set in different ways…