Counting hash collisions with the birthday paradox
Read OriginalThis technical article explores the connection between the birthday paradox and hash function collisions. It provides a detailed mathematical derivation for calculating the expected number of collisions in a set of values when using a uniform hash function with a given range. The author explains the formula and its nuances, clarifying what it counts (e.g., sequential matches) and its practical applications, such as in patient-matching networks.
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