Created
May 31, 2020 18:33
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heatmap
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| def make_heatmap(text, values, save=None, polarity=1): | |
| cell_height=.325 | |
| cell_width=.15 | |
| n_limit = 74 | |
| text = list(map(lambda x: x.replace('\n', '\\n'), text)) | |
| num_chars = len(text) | |
| total_chars = math.ceil(num_chars/float(n_limit))*n_limit | |
| mask = np.array([0]*num_chars + [1]*(total_chars-num_chars)) | |
| text = np.array(text+[' ']*(total_chars-num_chars)) | |
| values = np.array(values+[0]*(total_chars-num_chars)) | |
| values *= polarity | |
| values = values.reshape(-1, n_limit) | |
| text = text.reshape(-1, n_limit) | |
| mask = mask.reshape(-1, n_limit) | |
| num_rows = len(values) | |
| plt.figure(figsize=(cell_width*n_limit, cell_height*num_rows)) | |
| hmap=sns.heatmap(values, annot=text, mask=mask, fmt='', vmin=-1, vmax=1, cmap='RdYlGn', | |
| xticklabels=False, yticklabels=False, cbar=False) | |
| plt.tight_layout() | |
| if save is not None: | |
| plt.savefig(save) | |
| # clear plot for next graph since we returned `hmap` | |
| plt.clf() | |
| return hmap |
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