Excel offers a wide variety of charts and graphs, each designed to help you uniquely visualize data. But choosing the right chart isnt always straightforward. Let's break down the essential Excel ...

Variation is the differences between individuals of the same species, caused by genetic and environmental factors. Surveys into variation give data that are continuous, which means to come in a range, ...

Forbes contributors publish independent expert analyses and insights. I help people communicate data clearly with graphs. I discussed whether zero needs to be included on all scales in a recent post, ...

This is a preview. Log in through your library . Abstract It is possible to classify the types of causal relationships that can give rise to effect modification on the risk difference scale by ...