A/B Tests in Marketing – Sample Size and Significance using R

A/B testing has become the standard and popular way of optimizing website and campaign structure. Tools like Google Analytics Content Experiments and Webtrends Optimize make the test setup effortless. Unfortunately, the common questions remain – Is my sample size big enough? Are my results statistically significant? With a little bit of R we can answer … Continue reading A/B Tests in Marketing – Sample Size and Significance using R