The ebb and flow of movies redux

Six years ago, the NY Times published one of my favorite interactive graphics entitled, “The ebb and flow of movies.” This brilliant graphic concisely visualized over two decades of box office sales with the now-popular streamgraph. The colors indicated how well each movie did — from hit to flop — and the height of the …

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Histogram Abuse

Consider the following Trellis display of histograms of a response variable (Z), conditioned on two factors (X,Y) that can each be low, medium or high: The combined sample size for the nine plots is 10,000 observations. Would you agree with the following assessments? Z seems to be normally distributed for medium values of either X …

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