by Sam Stratford. Randomness poses a threat to many statistical analysis projects and it is therefore vital to understand the impact of randomness to ensure accurate and actionable conclusions are made. Regression to the Mean (RTM) can help to measure the effect of randomness on a dataset which in turn…

In this blog we’ll look at how return path data (for example data collected from a Virgin or Sky set top box) could be used to enhance viewing data from a TV audience measurement (TAM) panel such as BARB. For clarity we’ll call the enhanced system a hybrid model. Why…