Author Archives: Dave Flatley
July 28: Statistics in Practice
In this week’s brief we discuss outliers and anomalies, the unusual cases and events that often end up being the focus of attention. Our course spotlight is Nov 6 – Dec 4: Anomaly Detection If you’re interested in this topic, you should also consider the that it is part of. The methods and tools ofContinue reading “July 28: Statistics in Practice”
Small Ball: When a Downgrade is an Upgrade
In this mature age of digital marketing, companies have developed finely honed engines of automated and targeted promotion that factor in individual preferences and behavior. The idea is to add small increments to revenue and profit. The system evolved in a stable era of economic expansion, but the automated promotions are now running afoul ofContinue reading “Small Ball: When a Downgrade is an Upgrade”
Three Myths in Data Science
July 21: Statistics in Practice
In this week’s brief, a continuation of our “Statistical Thinking” series, we reflect on three “myths” in data science and statistics, and spotlight our ten-course Social Science Statistics certificate program. You can get started with either of these courses: Aug 7- Sep 4: Survey Design and Sampling Procedures Oct 2 – 30: Regression Analysis See youContinue reading “July 21: Statistics in Practice”
July 7: Statistics in Practice
As Independence Day inaugurates the official summer political season in the U.S. (a season that, in reality, no longer ends), we discuss in this week’s brief uplift models; our course spotlight is on Aug 21 – Sep 18: Persuasion Analytics and Targeting See you in class! Quiz – Which two U.S. presidents died within aContinue reading “July 7: Statistics in Practice”
Random Chance or Not?
Model Interpretability
Instructor Spotlight: Ken Strasma
Predicting “Do Not Disturbs”
June 30: Statistics in Practice
In this week’s Brief, the second in our series on statistical thinking, we discuss WWII convoys; our course spotlight is July 10 – Aug 7: Spatial Statistics for GIS Using R See you in class! Peter Bruce Founder, Author, and Senior Scientist Statistical Thinking 2 Safety in Numbers – Calculating Probabilities for Convoys Early 1942 wasContinue reading “June 30: Statistics in Practice”
Safety in Numbers – Calculating Probabilities for Convoys
Polytomous
June 23: Statistics in Practice
In this week’s Brief, the first in a Statistical Thinking series, we look at how people think about rare events. Our spotlight is on: July 3 – 31: Introductory Statistics (another session starts July 31) See you in class! Peter Bruce Founder, Author, and Senior Scientist Rare Event Syndrome Several years ago, National Public RadioContinue reading “June 23: Statistics in Practice”
Student Spotlight: Angelina Salinas
Meet Angelina Salinas, Data Analyst at Almacenes SIMAN Angelina Salinas started working for the retail store Almacenes Siman as a purchasing planner and, a couple of years later, got interested in data science and started to learn R. Shortly afterwards, the business intelligence group at Almacenes Siman transformed into a business analytics group and theyContinue reading “Student Spotlight: Angelina Salinas”
Historical Spotlight: Iris Dataset
Can you identify this wildflower, photographed in a Massachusetts field? And also identify its significance in the history of statistics? This is the Blue Flag Iris, also called the Veriscolor Iris, and it is one of three Iris species that make up the famous (in statistics) Iris dataset. This dataset consisted of five values for each ofContinue reading “Historical Spotlight: Iris Dataset”
Rare Event Syndrome
June 16: Statistics in Practice
In this week’s brief we feature a guest blog on Ethical Data Science; our course spotlight is: July 17 – Aug 14: Logistic Regression See you in class! Peter Bruce Founder, Author, and Senior Scientist Ethical Data Science As data science has evolved into AI, the intimate connection between the scientist and the data isContinue reading “June 16: Statistics in Practice”