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Kenil Vasani
Kenil Vasani

Kenil Vasani

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Asked: 2020-12-14T21:03:06+00:00 In:

Matplotlib: TypeError: ‘AxesSubplot’ object is not subscriptable

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I am trying to make a simple box plot of a variable ‘x’ contained in two dataframes, df1 and df2. To do this I am using the following code:

fig, axs = plt.subplots()
axs[0, 0].boxplot([df1['x'], df2['x']])
plt.show();

However, I get this:

---------------------------------------------------------------------------
TypeError                                 Traceback (most recent call last)
<ipython-input-108-ce962754d553> in <module>()
----> 2 axs[0, 0].boxplot([df1['x'], df2['x']])
      3 plt.show();
      4 

TypeError: 'AxesSubplot' object is not subscriptable

Any ideas?

matplotlibpythontypeerror
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    1 Answer

    1. Kenil Vasani

      Kenil Vasani

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      Best Answer
      fig, axs = plt.subplots()

      returns a figure with only one single subplot, so axs already holds it without indexing.

      fig, axs = plt.subplots(3)

      returns a 1D array of subplots.

      fig, axs = plt.subplots(3, 2)

      returns a 2D array of subplots.

      Note that this is only due to the default setting of the kwarg squeeze=True.
      By setting it to False you can force the result to be a 2D-array, independant of the number or arrangement of the subplots.

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