A stem-and-leaf show is a device utilized in information visualization to arrange and symbolize quantitative information. It permits for a fast overview of the information distribution, revealing clusters, gaps, and outliers. For instance, the information set 12, 15, 21, 21, 24, 29, 31, 35 could possibly be represented with a stem of the tens place and leaves of the models place. The “2” stem would have leaves of 1, 1, 4, and 9. Software program instruments and on-line assets present automated technology of those shows, simplifying the method for bigger information units.
This methodology presents a number of benefits over different visualization methods. It retains the unique information values whereas providing a visible illustration just like a histogram. This attribute makes it significantly helpful in instructional settings and in exploratory information evaluation the place understanding the precise information factors is crucial. The method originated within the early twentieth century with statistician Arthur Bowley, discovering purposes in fields requiring speedy information evaluation.