Early time series

The graph (part of a commentary of Macrobius on Cicero’s In Somnium Scipionis) which dates from the tenth, possible eleventh century  was meant to represent a plot of the inclinations of the planetary orbits as a function of the time. The zone of the zodiac is given on a plane with the horizontal (time) axis divided into thirty parts and the ordinate representing the width of the zodiacal belt.

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Source: “Time-Series”, Sir Maurice Kendall

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