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<h1>pylab_examples example code: boxplot_demo.py<a class="headerlink" href="#pylab-examples-example-code-boxplot-demo-py" title="Permalink to this headline">¶</a></h1>

(<a class="reference external" href="../../mpl_examples/pylab_examples/boxplot_demo.py">Source code</a>)

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<div class="highlight-python"><div class="highlight"><pre>#!/usr/bin/python

#

# Example boxplot code

#

from pylab import *

# fake up some data

spread= rand(50) * 100

center = ones(25) * 50

flier_high = rand(10) * 100 + 100

flier_low = rand(10) * -100

data =concatenate((spread, center, flier_high, flier_low), 0)

# basic plot

boxplot(data)

# notched plot

figure()

boxplot(data,1)

# change outlier point symbols

figure()

# don't show outlier points

figure()

# horizontal boxes

figure()

boxplot(data,0,'rs',0)

# change whisker length

figure()

# fake up some more data

d2 = concatenate( (spread, center, flier_high, flier_low), 0 )

data.shape = (-1, 1)

d2.shape = (-1, 1)

#data = concatenate( (data, d2), 1 )

# Making a 2-D array only works if all the columns are the

# same length. If they are not, then use a list instead.

# This is actually more efficient because boxplot converts

# a 2-D array into a list of vectors internally anyway.

data = [data, d2, d2[::2,0]]

# multiple box plots on one figure

figure()

boxplot(data)

show()

</pre></div>

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Keywords: python, matplotlib, pylab, example, codex (see <a class="reference internal" href="../../faq/howto_faq.html#how-to-search-examples">Search examples</a>)

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