plot.subplot ---> 'Figure' object has no attribute 'plot'

Question

I am trying to use subplots similar to what is being shown here:

http://matplotlib.org/examples/pylab_examples/subplots_demo.html

axarr = plt.subplots(len(column_list), sharex=True)
subp_num = 0
for j in column_list:
     axarr[subp_num].plot(df.values[2:,j])
     subp_num = subp_num + 1

then I get this error:

axarr[subp_num].plot(df.values[2:,j])
AttributeError: 'Figure' object has no attribute 'plot'

Any hint on what am I doing wrong? Thanks

jonrsharpe · Accepted Answer · 2015-01-01 19:18:16Z

9

You have one obvious problem: all of the examples in the link you provide look like

f, axarr = plt.subplots(...)

where the f is the Figure you are subsequently treating as if it had a plot attribute. If you are working with an arbitrary number of subplots, you could do:

axarr = plt.subplots(...)
f, axarr = axarr[0], axarr[1:]

Also, you are using a while loop with an incrementing index, which is clumsy and prone to error; just use a for loop:

for j, ax in zip(column_list, axarr):
    ax.plot(df.values[2:, j])

edited Jan 1, 2015 at 19:18

answered May 18, 2014 at 15:31

jonrsharpe

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