SlideShare a Scribd company logo
Abdulkareem Alsudais
Prince Sattam bin Abdulaziz University
2
Data Science is:
3
• Simpler definition:
• Insight-focused:
4
https://www.theguardian.com/technology/2014/feb/05/why-google-engineers-designers
5
• Identifying patterns in information
• Using visualizations
• Quantifying whether those patterns are reliable
• Using randomization
• Making informed guesses
• Using machine learning
6
7
8
By Drew Conway
9
Source: https://www.pnas.org/content/early/2019/09/03/1821936116
10
• Problem:
• Solution:
Control group: Group with
no changes.
11
• Examples:
1. Healthcare and Public Health: How to predict COVID-19 numbers? How to detect
diseases early? Is there a relationship between social media use and depression?
2. Online advertisements: How to create ads that generate the most clicks? Targeted
ads.
3. Events planning: How to increase attendance? Best ways to promote?
4. Education: ?
12
As a data scientists, you are expected to know how to:
13
• Dataset:
14
• What happened? How many did we sell last summer?
• Why did it happen? Why did we only sell that much last summer?
• What will it happen? How much are we going to sell next summer?
• How can we make it happen? How can we sell x number next summer?
15

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