R: From Origins to Enterprise Hosting
Introduction R is a free statistical language first released in August 1993. It descends from S, a language built at
Introduction R is a free statistical language first released in August 1993. It descends from S, a language built at
A conceptual framework – three genuinely different ways a formalized generalization can miss reality A formalization can fail to match
A conceptual framework – the third leg, and the one place the earlier framework needs an extra clause Mathematics gives
A conceptual framework – where modeling ends and estimation begins With generalization and formalization established as modeling’s core act, statistics
A conceptual framework – the vocabulary formalization needs before it can say anything precisely Generalization makes a claim. Formalization gives
A conceptual framework – from a rough sense of a pattern to a structure you can compute with Modeling is
Introduction In our previous post, we covered the theory behind descriptive statistics — the formulas, notation, and intuition. Here, we
Introduction In our previous post, we covered the theory behind descriptive statistics — the formulas, notation, and intuition. Here, we
Data Set Splits in a Statistical Learning Procedure Training Set The subset of data used to fit the model –
Notation Numeric / Count Data Central Tendency Mean (Arithmetic Mean) The arithmetic mean is the sum of all observed values