Collecting Data in Challenging Settings
Jana Asher describes her experiences conducting in-person survey interviews in East Timor. She gives us personal anecdotes, practical statistical advice, and an interesting story
Using Item Response Theory to Understand Gender Differences in Opinions on Women in Politics
Comparing and contrasting item response models using formulas, pictures, numerical examples, and data on gender differences in opinions on women in politics.
Can People Distinguish Pâté from Dog Food?
The pet food industry has invested decades of research and development to make its products more appealing to the humans who purchase and handle the food. Could dog food be approaching acceptance as a comestible good fit for humans?
The Luria-Delbrück Distribution Early statistical thinking about evolution
The author explains the origins of the Luria-Delbrück distribution and its role in studying evolutionary change in E. coli.
Hey, Who Turned Off the Lights? A look at electricity consumption
The author uses a discrete wavelet transformation to analyze electricity consumption data for multiscale statistical process control with the aim of avoiding energy interruptions.
One for the History Books: An Early Time-Line Bar Graph
An early time-line bar graph by Philippe Buache depicting the water level of the Seine River in Paris from 1760 to 1766 creatively and effectively depicts data in print before the advent of the modern printing techniques that we enjoy today.
Results of "A Real Challenger of a Puzzle" Graphics Contest
Contest winner Stephanie Kovalchik provides a solution to the puzzle based on 10 data points and a set of seven instructions.
Least Squares or Least Circles? A comparison of classical regression and orthogonal regression
Students in virtually all statistics courses learn something of least squares estimation when studying prediction of an outcome from an explanatory variable. The authors ask whether there is a reasonable alternative to the default criterion.
Comments on 5x5 Philatelic Latin Squares
The authors discuss stamps issued in sheets with 5x5 Latin square designs.
