PySpark and AWS: Master Big Data with PySpark and AWS - Finding Min and Max

PySpark and AWS: Master Big Data with PySpark and AWS - Finding Min and Max

Assessment

Interactive Video

Information Technology (IT), Architecture

University

Hard

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This video tutorial explains how to find the minimum and maximum ratings for movies using a dataset. It covers data preparation by converting strings into key-value pairs, and demonstrates the use of the 'reduce by key' function to calculate min/max values. The tutorial includes writing a lambda function for the calculation and explains the iterative process of reduction. The video concludes with an implementation of the solution.

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4 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

How do we determine which value is minimum when comparing two ratings?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the final output when calculating the minimum rating for a movie?

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

How does the process of finding maximum ratings differ from finding minimum ratings?

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

What understanding should one develop regarding the reduction process in this context?

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