PySpark | How to Sort a Dataframe?

Sorting data is a fundamental task in data processing, whether for analysis, reporting, or data transformation. In PySpark, sorting a DataFrame is a common operation that allows you to organize your data based on one or more columns. PySpark provides multiple ways to sort data efficiently, even when dealing with large datasets distributed across clusters.
In this blog post, we’ll explore various methods to sort a DataFrame in PySpark, covering both ascending and descending orders, sorting by multiple columns, and handling null values during sorting.

PySpark | How to Filter Data in DataFrame?

Filtering data is one of the most common operations you’ll perform when working with PySpark DataFrames. Whether you’re analyzing large datasets, preparing data for machine learning models, or performing transformations, you often need to isolate specific subsets of data based on certain conditions. PySpark provides several methods for filtering DataFrames, and this article will explore the most widely used approaches.

PySpark | How to Add a New Column in a Dataframe?

In PySpark, adding a new column to a DataFrame is a common and essential operation, often used for transforming data, performing calculations, or enriching the dataset. PySpark offers 3 main methods for this: withColumn(),select() and selectExpr(). These methods allow you to create new columns, but they serve different purposes and are used in different contexts.

This article will guide you through adding new columns using both methods, explaining their use cases and providing examples.

PySpark | How to Create a Dataframe?

In PySpark, a DataFrame is a distributed collection of data organized into named columns, similar to a table in a relational database or an Excel spreadsheet. DataFrames provide a powerful abstraction for working with structured data, offering ease of use, high-level transformations, and optimization features like catalyst and Tungsten. This article will cover how to […]

PySpark | How to Create a RDD?

Resilient Distributed Datasets (RDDs) are the core abstraction in PySpark, offering fault-tolerant, distributed data structures that can be operated on in parallel. Although the DataFrame API is more popular due to its higher-level abstractions, RDDs are still fundamental for certain low-level operations and are the building blocks of PySpark.

In this article, you’ll learn how to create RDDs in PySpark, the different ways to create them, and when you should use RDDs over DataFrames.

Spark | How to setup Apache Spark on a Windows Machine?

Setting up Apache Spark on a Windows machine can be a straightforward process if you follow the right steps. This guide will walk you through installing Java, configuring environment variables, downloading and setting up Spark, and finally running Spark on your Windows system. Let’s get started!

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