The latter fact would have been missed with the box plot alone. However, the second experimental condition (B) has a much more elongated distribution compared to the other two groups, without a distinct peak. We can see from the plot that the two experimental techniques provided different benefits compared to the control. In the middle of each density curve is a small box plot, with the rectangle showing the ends of the first and third quartiles and central dot the median. The example violin plot above depicts the results of a fictional experiment with one control group and two experimental conditions. Densities are frequently accompanied by an overlaid chart type, such as box plot, to provide additional information. The width of each curve corresponds with the approximate frequency of data points in each region. A violin plot depicts distributions of numeric data for one or more groups using density curves.
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