Pareto principle

#adages #statistics #computer

80/20 rule or rule of vital few

says that roughly 80% of consequences come from 20% of causes

in Economics - "80% of sales come from 20% of clients" Pareto noticed that approximately 80% of Italy's land was owned by 20% of the population

In Computers optimization - Microsoft noted that by fixing the top 20% of the most-reported bugs, 80% of the related errors and crashes in a given system would be eliminated. - 80% of a piece of software can be written in 20% of the total allocated time - 20% of the code has 80% of errors