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One (small) problem for your chart in d) is that you can't tell which way the trajectory is moving.


Great point. I should've put in small arrows to indicate the directions.

Also, in chart d), there is no need for multiple colors. I used colors only to link back to the original chart.


Much better! It's now easy to see that child mortality has been decreasing in every country (although the flipped axes seems a bit strange). Eastern Europe and Africa jump out as been the only two areas with an decrease in GDP.

I'd also be interested to see a plot without the labels.

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