Useful tips for everyday
What F1-score means? Definition: F1 score is defined as the harmonic mean between precision and recall. It is used as a statistical measure to rate…
What are Scikit-learn estimators? An estimator is an object that fits a model based on some training data and is capable of inferring some properties…
What does it mean when events are not independent? Two events A and B are independent if the knowledge that one occurred does not affect…
What does a high T Stat mean in regression? Your high t-statistic, which translates into a low p-value, simply says that something very unlikely has…
Can you pick your Happy Meal toy? Buy a Happy Meal and you can choose from any (old) Happy Meal toy for an additional $8,-!…
Do you need a normal distribution for a t-test? A t-test is a statistic method used to determine if there is a significant difference between…
What is the advantage of the linear classifier? The major advantage of linear classifiers is their simplicity and computational attractiveness. The chapter starts with the…
Are central moments affected by change of scale? Similar comments apply to raw fourth moments, central fourth moments and kurtosis and the same ideas extend…
How do you test for Multicollinearity assumptions? You can check multicollinearity two ways: correlation coefficients and variance inflation factor (VIF) values. To check it using…
What is the single factor model? Single-factor model. A model of security returns that acknowledges only one common factor. The single factor is usually the…