pyspark.sql.types.LongType pyspark.sql.types.ShortType In this article, we will explore PySpark's LongType and ShortType data types, their…
Tag: Spark_Interview
PySpark : PySpark to extract specific fields from XML data
XML data is commonly used in data exchange and storage, and it can contain complex hierarchical structures. PySpark provides a…
PySpark : Replacing special characters with a specific value using PySpark.
Working with datasets that contain special characters can be a challenge in data preprocessing and cleaning. PySpark provides a simple…
PySpark : Dataset has column that contains a string with multiple values separated by a delimiter.Count the number of occurrences of each value using PySpark.
Counting the number of occurrences of each value in a string column with multiple values separated by a delimiter is…
PySpark : Dataset has datetime column. Need to convert this column to a different timezone.
Working with datetime data in different timezones can be a challenge in data analysis and modeling. PySpark provides a simple…
PySpark : Dataset with columns contain duplicate values, How to to keep only the last occurrence of each value.
Duplicate values in a dataset can cause problems for data analysis and modeling. It is often necessary to remove duplicates…
PySpark : Large dataset that does not fit into memory. How can you use PySpark to process this dataset
Processing large datasets that do not fit into memory can be challenging for traditional programming approaches. However, PySpark, a Python…
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…