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Regression

Gang Tao
March 30, 2016
Technology
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83

 Regression

A simple introduction of regression analysis

Gang Tao

March 30, 2016
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Transcript

  1. Regression

  2. Regression to Mediocrity

  3. Regression towards mean

  4. Eccentricity - Correlation

  5. No Correlation = No Relationship

  6. What does correlation mean?

  7. A Use Case ⾼高⾎血压 糖尿病 没病

  8. Regression Analysis Relationship Variables X : Independant Variables (predictor) Y

    : dependant Variables B : Unknown parameters Y = f(B,X)

  9. Linear Regress ( Ordinary Least Squares ) 0 40 80

    120 160 0 35 70 105 140

  10. Story of Ceres

  11. Demo Wine Predict

  12. Logistic Regression

  13. Confusion Matrix Sensitivity = TP/( TP + FN) Specificity =

    TN/( TN + FP)

  14. Demo Predict Election