Created
April 21, 2015 09:57
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Make 2 side-by-side hists or scatter plots from two pandas dataframes
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| def plot_two_hists(var, df1, df2, title1, title2, xlabel, ylabel, **kwargs): | |
| """function to make 2 side-by-side hists to compare 2 dataframes""" | |
| fig2, ax2 = plt.subplots(nrows=1, ncols=2) | |
| fig2.set_size_inches(24, 8) | |
| plt.subplots_adjust(wspace=0.2) | |
| df1[var].plot(kind="hist", ax=ax2[0], title=title1, **kwargs) | |
| ax2[0].set_xlabel(xlabel) | |
| ax2[0].set_ylabel(ylabel) | |
| df2[var].plot(kind="hist", ax=ax2[1], title=title2, **kwargs) | |
| ax2[1].set_xlabel(xlabel) | |
| ax2[1].set_ylabel(ylabel) | |
| # set range of both y axis to cover smallest minimum, largest maximum | |
| miny = min(ax2[0].get_ylim()[0], ax2[1].get_ylim()[0]) | |
| maxy = max(ax2[0].get_ylim()[1], ax2[1].get_ylim()[1]) | |
| for ax in ax2: | |
| ax.set_ylim([miny, maxy]) | |
| return fig2, ax2 | |
| # In[92]: | |
| def plot_two_scatters(varx, vary, df1, df2, title1, title2, xlabel, ylabel, **kwargs): | |
| """function to make 2 side-by-side scatter plots to compare 2 dataframes""" | |
| fig2, ax2 = plt.subplots(nrows=1, ncols=2) | |
| fig2.set_size_inches(24, 8) | |
| plt.subplots_adjust(wspace=0.2) | |
| df1.plot(kind=scat, x=varx, y=vary, ax=ax2[0], title=title1, **kwargs) | |
| ax2[0].set_xlabel(xlabel) | |
| ax2[0].set_ylabel(ylabel) | |
| df2.plot(kind=scat, x=varx, y=vary, ax=ax2[1], title=title2, **kwargs) | |
| ax2[1].set_xlabel(xlabel) | |
| ax2[1].set_ylabel(ylabel) | |
| return fig2, ax2 |
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