This is personal study note
Copyright and original reference:
https://www.youtube.com/watch?v=56__VRQLyqE&list=PLsri7w6p16vu3mMWzijxOmhrlvN23W04_&index=2
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Correlation analysis
analyzed_correlation_between_variables=association_analysis(multiple_variables)
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2 variables: "advertisement price", "profit"
"High advertisement price" then "high profit"?
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Correlatioin analysis using scatter diagram
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2 variables: advertisement price, profit
Create scatter plot of multiple 2D feature vector data
Meaning
- "advertisement price" increases, "profit" also increases
- "2 variables" have "positive correlation relationship"