Articles

In my previous tutorial we created heatmaps of Seattle 911 call volume by various time periods and groupings.   The analysis was based on a dataset which provides Seattle 911… Read More »Map plots created with R and ggmap

Developed at MIT’s Sloan School of Management in 1950s system dynamics is a methodological approach to model the behavior of complex systems, where change in… Read More »Data Science meets System Dynamics

Summary: Not everyone wants to invest the time and money to become a data scientist, and if you’re mid-career the barriers are even higher.  If… Read More »Data Engineer and Business Analyst Might be the Best Data Science Opportunities

In this article, couple of implementations of the support vector machine binary classifier with quadratic programming libraries (in R and python respectively) and application on… Read More »Implementing a Soft-Margin Kernelized Support Vector Machine Binary Classifier with Quadratic Programming in R and Python

Data scientists spend 80% of their time preparing and cleaning their data. They spend the other 20% of their time complaining about preparing and cleaning… Read More »How Data Scientists Spend their Time – Nice Cartoon

These are not business questions, but soft questions that should make any PhD candidate relaxed, even intrigued, and open to talk freely. There is no… Read More »Two Questions to Ask to a PhD Candidate for a Leadership Role

Four pictures were posted recently on Data Science Central, and have immediately become popular. They are designed as one-page tutorials on some specific (basic or… Read More »Four Great Pictures Illustrating Machine Learning Concepts

… continued from previous article. Image Source: Creating a Real Life Version of Psychohistory from Isaac Asimov’s Foundation Series -: Indiana University THE LOST ART… Read More »Prioritizing Decisions: Roadmap for Enterprise Analytics