PySpark and AWS: Master Big Data with PySpark and AWS - Solution (Min and Max)

The video tutorial guides viewers through writing a program to process a CSV file using RDF, focusing on extracting minimum and maximum ratings by city. It covers data preparation, transformation using map and lambda functions, and handling data types for comparison. The tutorial explains the reduce by key operation in detail, demonstrating how to group and process key-value pairs. The video concludes with the results of the task, showing the maximum and minimum ratings for each city.

How does the Lambda function determine the maximum value during the reduction process?

What results are obtained after running the transformation for maximum ratings?

What is the final output when calculating the minimum ratings for each city?