Best practices for statistics
Statistics are an integral part of any predictive modelling assignment. Statistics are important because they help us gauge the efficiency of a model. Each predictive model generates a set of statistics, which suggests how good the model is and how the model can be fine-tuned to perform better. The following is a summary of the most widely reported statistics and their desired values for the predictive models described in this book:
|
Algorithms |
Statistics/Parameter |
The desired value of statistics |
|---|---|---|
|
Linear regression |
R2, p-values, F-statistic, and Adj. R2 |
High Adj. R2, low F-statistic, and low p-value |
|
Logistic regression |
Sensitivity, specificity, Area Under the Curve (AUC), and KS statistic |
High AUC (proximity ... |
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