The Basics of Display Measurement
The Measurement Minute by Gary Angel Using PoS to measure display performance is surprisingly hard. Beginning of season rollouts make comparability a challenge. And the goal isn't so muc...
Merchandising Analytics: Measuring In-Store Displays
The Measurement Minute with Gary Angel 2019 was a busy year for new product development at Digital Mortar and we have three new products coming out this quarter. The most interesting ana...
Unintentional Model Bias: Why Laziness and Census Data can be good proxies for racism
The Measurement Minute with Gary Angel The easiest way to create a biased model is often to just use the data you have. Census data, in particular, is a common culprit. It's free, well o...
Screening Off – The right answer for thinking about model bias
The Measurement Minute by Gary Angel You can't use a protected variable in a model and you shouldn't use a proxy for it either. But how do you decide what's a proxy and what isn't given ...
The Problem of Correlation: Why you don’t need to have a variable to use it
The Measurement Minute by Gary Angel If a model didn't use gender as a variable, it can't be gender-biased...right? Totally wrong. Because correlations to protected variables are everywh...
The Apple Card and Model Bias : It’s not so easy to tell if a model is biased
The Measurement Minute by Gary Angel Most people probably think it's a slam dunk to decide if a model is biased against a protected class. It isn't. Because age, gender and race are deep...
Fixing Overly Tactical Metrics: Content Consumption Part II
The Measurement Minute by Gary Angel If Views is overly tactical and encourages click-bait content, what's the right metric to replace it? Here are three strategies (all with relevance i...
Missing the Forest While Counting Trees : Content Consumption and Tactical Metrics
The Measurement Minute by Gary Angel Game-ability isn't the only way metrics can go wrong. Sometimes, a metric's problems are revealed when it accomplishes exactly what you intended with...
Gameable Metrics: College Board 2 : Students and Universities 0
The Measurement Minute by Gary Angel Not every metric that can be measured should be measured. Some metrics used as KPIs turn out to be easily gameable - resulting in an arms race to opt...