Are you running python 2 or python 3? If you're on python 2, what happens if you add "from __future__ import division" to the top of your script?
On Tue, Aug 25, 2015 at 10:31 PM, chtan <ch...@unisim.edu.sg> wrote: > Hi, > > the outliers in the boxplot do not seem to be drawn in the following > extreme > scenario: > Data Value: 1, Frequency: 5 > Data Value: 2, Frequency: 100 > Data Value: 3, Frequency: 5 > > Here, Q1 = Q2 = Q3, so IQR = 0. > Data values 1 and 3 are therefore outliers according to the definition in > the api > (Refer to parameter "whis" under "boxplot": > http://matplotlib.org/api/pyplot_api.html > <http://matplotlib.org/api/pyplot_api.html> ) > > But the code below produces a boxplot that shows them as max-min whiskers > (rather than fliers): > > import matplotlib.pyplot as plt > data = 100 * [2] + 5 * [1] + 5 * [3] > ax = plt.gca() > bp = ax.boxplot(data, showfliers=True) > for flier in bp['fliers']: > flier.set(marker='o', color='gray') > > <http://matplotlib.1069221.n5.nabble.com/file/n46027/figure_1.png> > > > What I though it would look like is obtained by perturbing half of the data > points 2 to 2.000001: > > <http://matplotlib.1069221.n5.nabble.com/file/n46027/figure_2.png> > > > Is this a bug or I'm not getting something right? > > rgds > marcus > > > > -- > View this message in context: > http://matplotlib.1069221.n5.nabble.com/boxplot-behaviour-in-an-extreme-scenario-tp46027.html > Sent from the matplotlib - users mailing list archive at Nabble.com. > > > ------------------------------------------------------------------------------ > _______________________________________________ > Matplotlib-users mailing list > Matplotlib-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/matplotlib-users >
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