boxplot

https://biit.cs.ut.ee/clustvis/

https://discuss.analyticsvidhya.com/t/how-to-calculate-the-length-of-whisker-in-a-box-plot/6969

I think it varies slightly from different packages. But in general, I have observed the following:

Lower Extreme = smallest value greater than Q1-1.5IQR
Upper Extreme = greatest value smaller than Q3+1.5IQR

The following image might make things clearer:

image

K generally takes value 1.5 to 3.

How calculate them:
https://lagunita.stanford.edu/courses/course-v1:Medicine+IPE21CC+ongoing/wiki/HRP258/example-r-classwork-solutions-using-r/calculating-inner-quartile-range-r/

你可能感兴趣的:(boxplot)