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Data Analysis and Questions to Answer

Fred Schenkelberg
3 min readDec 26, 2019

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Data Analysis and Questions to Answer

One of my standing searches revealed an article that has shows a nice example of reliability data analysis. The author analyzed the time-to-violent-death of Roman emperors. The article is interesting in a historical sense plus illustrates a few key points for any life data analysis.

The article, “Statistical reliability analysis for the most dangerous occupation: Roman Emperor” by Joseph Homer Saleh takes a look at the 69 Roman emperors and 62% of them that suffered a violent death. The idea of the study was to determine if there is some pattern to the deaths and if the analysis would reveal any insights for those studying the era of the Roman emperors.

Becoming an emperor seems to have some benefits, as well as mortal risks. The analysis uses a reasonable approach and distribution fitting. The analysis revealed a mixed Weibull adequately described the data. Here’s a PDF of the mixed distribution result.

The Analysis Approach

Saleh starts the analysis with the data, 69 emperors’ time in power and the nature of death. The deaths due to…

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Fred Schenkelberg
Fred Schenkelberg

Written by Fred Schenkelberg

Reliability Engineering and Management Consultant focused on improving product reliability and increasing equipment availability.

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