What I learnt from giving 120+ Data Science presentations

In 1869, French civil engineer Charles Minard visualised the movement of Napoleon’s Russian campaign in 1812. Whilst it is difficult to construct such charts even now, it is a stunningly simple chart that articulates six variables in one 2D plot! (temperature, troop count, travelled distance, direction of travel, lat/long and location relative to specific dates). It literally tells the sad story of conquest through data.

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