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Euler and Venn diagrams are used to visualise the relationships between sets. Both typically employ circles to represent sets, and areas where two circles overlap represent subsets common to both ...

library(ggvenn) a <- list(A = 1:5, B = 4:9, C = 3:7, D = 1:20, E = 15:19) ggvenn(a, c("A", "B")) # draw two-set venn ggvenn(a, c("A", "B", "C")) # draw three-set venn ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

For many of us, anxiety and depression stemming from the climate crisis have become nearly ubiquitous with the plight of modern life. We deliver quippy one-liners about the world being on fire, share ...

Look at this stack of 4 cups. (If possible, have some real plastic cups in the classroom.) It’s 16 cm high. How high would a stack of 8 cups be? Why? This is a bit of a trick question. Students are ...

Once raw data has been collected, you need to represent it in a diagram. Two ways of doing this are to use a pie chart or frequency diagram. In a survey, 100 school students were asked to name their ...