Functional spread/box plot plots various measures of the spread of data against a continuous variable. These measures include: interquartile range, parametric and non-parametric confidence intervals, standard deviation, or arbitrary percentiles. The spread is indicated by a shaded region, with a central line indicating the primary metric (mean or median). Additional percentiles, outliers, and the limits of the data may also be plotted. Data from multiple functions may be overlaid.
Christopher Hummersone (2020). Functional spread/box plot (https://www.github.com/IoSR-Surrey/MatlabToolbox), GitHub. Retrieved .