5-2 Module 5 Lab
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School
Southern New Hampshire University *
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Course
520
Subject
Information Systems
Date
Feb 20, 2024
Type
docx
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2
Uploaded by DeanRiver5511
Module Five Lab Worksheet
More Model Practice Overview
Now that you have built out both a top-down and bottom-up decision tree using Power BI, it’s time to get some more practice building and interpreting these analytic tools. In this lab, you will build two decision trees leveraging the same data set and identify where each of these tools’ strengths and weaknesses lie.
Scenario
You are working as a data scientist for a large international organization that sells several products in different global markets. Your CEO wants to discuss expansion opportunities and understand how some pieces of business data impact the decisions being made. Being the brilliant individual you are, you volunteered to dive into the analysis!
Instructions
Complete the steps in the uCertify lab 7.1 More Model practice. Then,
replace the bracketed text with the relevant information. Please note: This assignment will be submitted and graded in Brightspace. 1.
Take a screenshot of the filtered bottom-up decision tree and insert it below.
[
]
a.
Explain what is happening here.
[Selecting the variable that provides the most average profit]
b.
What does this bottom-up model attempt to address?
[it addresses how the variables influence profit]
2.
Take a screenshot of your top-down decision tree and insert it below.
[
.]
a.
Explain what is happening here. [lowest value in COGS.]
b.
What does this top-down model attempt to address?
[
which products are the most profitable when COGS is lowest]
3.
If your boss wanted to expand the business and wanted to identify which products historically created the highest profits based on the cost of goods sold, which type of model would you want to present? [I would use the bottom up model because we are able to select highest value and determine which products influenced this the most.]
4.
If your boss wanted to predict (based on historical sales numbers) the profits of a given product based on the number of units sold and the cost of goods sold, which type of model would you use?
[I would use the top down model here to see ho
w historical data influenced profit.]
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