INNER CODE UNIT · Python

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abhijithneilabraham/tableQA · tableqa/chart.py:84

        Function that returns a pie chart.

        # Arguments

        columns: `list` object, column names.
        answers: `list` object, corresponding answer values.
        """
        for i, colname in enumerate(columns):
            answer = answers[i]
            if len(answer) == 1:
                import warnings
                warnings.warn('Cannot plot chart for a single value.')
                break
            plt.figure(figsize=self.figsize)
            answer = pd.DataFrame(answer, columns=[colname])
            grouped_col = answer[colname].value_counts()
            ax = grouped_col.plot(kind='pie', startangle=0, autopct='%.2f', title=colname, fontsize=10, labels=None)
            ax.yaxis.set_label_coords(-0.15, 0.5)

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