Histogram
Definition
A bar chart in which data are grouped into contiguous equal-width intervals (bins) and the bar height represents the count or relative frequency of observations in each bin. The total area of all bars equals the total count or 1.0 for a density histogram.
Related terms
- Bandwidth
- The smoothing parameter in a kernel density estimate. A small bandwidth produces a jagged curve that follows every data point; a large...
- Box plot (box-and-whisker plot)
- A graphic showing the five-number summary of a distribution: the minimum, first quartile (Q1), median (Q2), third quartile (Q3), and maximum. Whiskers...
- Interquartile range (IQR)
- The difference between the third quartile and the first quartile: IQR = Q3 - Q1. It measures the spread of the central...
- Kernel density estimate (KDE)
- A non-parametric smooth probability density function fitted to a set of measurements by placing a kernel (usually Gaussian) over each data point...
- Scatter plot
- A two-dimensional graph in which each observation is plotted as a point at coordinates (x, y), where x and y are two...
Explained in
- Visualising Forensic DataA bar chart in which data are grouped into contiguous equal-width intervals (bins) and the bar height represents the count or relative frequency of observation...