1/20/2023 0 Comments Create box plot spss ibmthe thin gray line represents the rest of the distribution, except for points that are determined to be “outliers” using a method that is a function of the interquartile range.the thick gray bar in the center represents the interquartile range.Violin plots have many of the same summary statistics as box plots: Unlike a box plot that can only show summary statistics, violin plots depict summary statistics and the density of each variable. It is used to visualize the distribution of numerical data. For multimodal distributions (those with multiple peaks) this can be particularly limiting.īut fret not-this is where the violin plot comes in.Ī violin plot is a hybrid of a box plot and a kernel density plot, which shows peaks in the data. It's convenient for comparing summary statistics (such as range and quartiles), but it doesn't let you see variations in the data. The box plot is an old standby for visualizing basic distributions. Are most of the values clustered around the median? Or are they clustered around the minimum and the maximum with nothing in the middle? When you have questions like these, distribution plots are your friends. Sometimes the median and mean aren't enough to understand a dataset.
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