R - Packages and DataTypes

Packages Functionality is maintained in packages. Some packages are part of the basic functionality and are predefined when you install...

Null-Hypothesis, Z-Scores and Normal Distribution

This is Carl Friedrich Gauß, one of the most friendly looking German mathematicans, on a banknote. Nowadays Germany forms part of the European...

Null Hypothesis, P-Value and Significance Level

What is the null hypothesis? That's easy: It is the assumption, that an observation is simply due to chance. The contrary assumption,...

R - How to Start

  Welcome to a new challenge - an empty green meadow is waiting to be explored and developed! R is a pretty strange programming language,...

Lift

  Like its name indicates a lift is a measure on how good your binary classifier model is lifting the predictions. In other words it...