scientists The same rules about data density, data:ink ratio apply The same rules about eliminating jargon apply But: Never let your desire to decorate distort the data!
and when we receive complaints about them, it’s usually that the y- axis doesn’t start at zero. Their point is that truncating the y-axis, as we often do in line charts, exaggerates what the data really say. Some people consider it a maxim that the y-axis should always be zeroed. They think to do otherwise amounts to lying. But these complaints are wrong. Charts should convey information and make a point. We make charts to illustrate ideas that have context beyond their x- and y-axes. Forcing the y-axis to start at zero can do just as much to obscure and confuse the point as the opposite.”
y-axis when zero values are ridiculous. “If doing so doesn’t obscure the point your chart is trying to make, or muddle the information, it’s often a good idea.” This version masks a large absolute change https://qz.com/418083/its-ok-not-to-start-your-y-axis-at-zero/
y-axis when zero values are ridiculous. “If doing so doesn’t obscure the point your chart is trying to make, or muddle the information, it’s often a good idea.” Always use a zeroed y-axis with column and bar charts. Because BAR HEIGHT = DATA https://qz.com/418083/its-ok-not-to-start-your-y-axis-at-zero/
y-axis when zero values are ridiculous. “If doing so doesn’t obscure the point your chart is trying to make, or muddle the information, it’s often a good idea.” Always use a zeroed y-axis with column and bar charts. Because BAR HEIGHT = DATA https://qz.com/418083/its-ok-not-to-start-your-y-axis-at-zero/ Never use a zeroed axis on a log scale.
that is bad. Using the principles you learned in class, explain why it is bad Post both plots to Teams. I’ll put them up on the big screen. You will present your analysis Find a graph that is good. Using principles you learned in class, explain why it is good Prep time = 15 min(ish) Presentations = 15 min total(ish)