Marc Vandenplas

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Tools for Decision Analysis

Rules of thumb, intuition, tradition, and simple financial analysis are often no longer sufficient for addressing such common decisions as …

The benefits--and limits--of decision models

Big data and models help overcome biases that cloud judgment, but many executive decisions also require bold action inspired by self-confidence. …

Decision trees, flow diagrams, sankeys in Table...

In this post, we will show how to build a decision tree with Tableau. The goal, as usual, is to do it with a minimum of data preparation. For this …

Data Visualization

Intuition vs. Big Data: Think Fast & Think Slow?

“Intelligence is not only the ability to reason; it is also the ability to find relevant material in memory and to deploy attention when needed.” …

Insight-driven vs. Intuition-driven Decision Making

Automatic Storytelling: Or, How to Build Your Very Own Data Scientist

As a data scientist, one of my primary jobs is to interpret large amounts of data and craft a story about about what I discover. Not everyone is a …

Introduction to Classification & Regression Trees (CART)

Decision Trees are commonly used in data mining with the objective of creating a model that predicts the value of a target (or dependent variable) …

Decision Trees With R

The methods described below shows how to quickly implement decision trees with functions in <b>tree, party</b> and <b>rpart</b> packages.<p><b>Data Preparation</b><br>Lets use the …

SAS Blogs

In the new era of online visual communication, when you have to be fast and clear, emojis are getting a strong relevance as the main language that …

Customers

Markov decision process

<b>Markov decision processes</b> (<b>MDPs</b>) provide a mathematical framework for modeling decision making in situations where outcomes are partly random and …