Frequency Analysis

Frequency analysis is a method used to examine how often certain elements appear within a set of data, such as letters or symbols in a message. By identifying which items occur most or least often, analysts can uncover patterns that may reveal hidden information or understand the data's structure. This technique is especially useful in cryptography, where it helps break ciphers by matching common patterns with their likely meanings. Overall, frequency analysis is a systematic way to interpret large amounts of information based on the frequency of its components.