Download presentation
Presentation is loading. Please wait.
Published byNickolas Rogers Modified over 9 years ago
1
Where to Get Data? Run an Experiment Use Existing Data
2
Existing Dataset What determines height? Not able to get data for all our variables! Gender has the biggest effect Parent’s Height also influence a Child’s Height GeneticsNutritionGender Heels Child’s Height Parent’s Height
3
“Non-Experimental” Study Non-Experimental – Variables can’t design ahead of time – Observe and Interpret Experimental Can Better Establish “Cause and Effect” – Can Control Predictors Barriers – Logistics – Cost – Ethics / Laws People Unethical?
4
Experimental Design: Medicine “Controlled Experiment”
5
Experimental Design: Web Design
6
Experimental Design: Product Marketing
7
Types of Research
9
Spurious Correlation
10
http://www.informationisbeautiful.net/play/snake-oil-supplements/ Types of Research
11
Statistical and Analytic ToolBox Standard Deviation Mean, Median, Mode Histogram Normal Distribution Binomial Distribution Probability Boxplot Correlation Regression Z-test for Proportions Chi-Square
12
Breadth vs. Depth vs. Relevancy CLASS PROJECT Statistics DataViz Computer Science CLASS
Similar presentations
© 2025 SlidePlayer.com. Inc.
All rights reserved.