One of my students tipped me to an August article in the Economist, published when last the media proclaimed Donald Trump's campaign in deep water. The headline said "Donald Trump's Media Advantage Falters."

Who would have known, judging from the chart that accompanies the article?

Economist_20160820_woc352_1

There is something very confusing about the red line, showing "Trump August 2015 = 1." The data are disaggregated by media channel, and yet the index is hitched to the total of all channels. It is also impossible to figure out how Clinton is doing relative to Trump in each channel.

Here is a small-multiples rendering that highlights the key comparisons:

Redo_economist_earnedmedia1b

Alternatively, one can plot the Clinton advantage versus Trump in each channel, like this:

Redo_economist_earnedmedia2b

One sees that Clinton has caught up in the last month (July 2016), primarily through more coverage by "online news."

Imagine Mr. Trump and Mrs. Clinton dining at a restaurant. Are they seated side by side (Economist) or face to face (junkcharts)?

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