Forbes contributors publish independent expert analyses and insights. I help people communicate data clearly with graphs. Last week’s post, “A Histogram is NOT a Bar Chart ”, explained that bar charts ...

Visualization methods enhance our understanding of sample data and help us make comparisons across samples. Box plots are a simple but powerful graphing tool that can be used in place of histograms to ...

We have already seen that varying two factors simultaneously provides an effective experimental design for exploring the main (average) effects and interactions of the factors 1. However, in practice, ...