Time-to-death of Roman emperors followed distinct pattern

Roman emperors faced a high risk of violent death in their first year of rule, but the risk slowly declined over the next seven years, according to an article published in the open access journal Palgrave Communications. When statistically modelled, the length of time from the beginning of their reign until their death followed a set pattern, similar to that seen in reliability engineering, interdisciplinary research by Dr. Joseph Saleh, an Aerospace Engineer from the Georgia Institute of Technology, US suggests.
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