## Recently Published

##### USS University Redesign

Rethinking an analysis and four-quadrant chart by Professor Scott Galloway, at https://www.profgalloway.com/uss-university. The new visualization categorizes university's prospects in a way that is more consistent with Galloway's apparent intent.

##### Refrigerator Analysis

Demonstration of data science on a small real-world problem, including handling of missing values, variance, and decision-support.

##### R Intro Theory of Measurement

It is often useful when analyzing data to think of the type of data we have and what operations can be performed on that data. I provide a brief introduction to a framework for types of measurement, and compare that to the types of variables and data used in R.

##### Learning Data Science with R: Classification

A worked example of classification using cluster analysis, xgboost, random forest, and logistic regression.

##### Installing R without administrator privileges

R doesn't always play nice with networked storage. Here's a guide to installing for the non-admin.

##### Beginning Data Scientist's Time Series in R

Time series analysis, and time series decomposition, are tools that nearly every data scientist, Six Sigma practitioner, and engineer will find useful. R provides a range of tools for working with time series data; here we’ll explore the most basic: ts() and stl().

##### Bracket Notation, Subsetting and Extracting

A brief introduction to R's bracket notation, using copious examples.