WILLIAM PLAYFAIR, THE INVENTOR OF GRAPHS AND DATA VISUALISATION
The Scottish engineer and economist William Playfair (1759-1823) is considered the father of statistical graphs. He pioneered the use of the line graph to represent time series and was the creator of the bar chart and the pie chart. Playfair’s life was punctuated by many vicissitudes as befitting the times he lived in. He carried […]
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