Python 数据可视化 散点图
import matplotlib.pyplot as plt
import numpy as npdef plot_scatter(ref_info_dict, test_info_dict):plt.figure(figsize=(80, 48))n = 0scatter_header_list = list(ref_info_dict.keys())for header in scatter_header_list:n += 1plt.subplot(8, 10, n)x = np.array(ref_info_dict[header])y = np.array(test_info_dict[header])max_line = max([max(x), max(y)])min_line = min([min(x), min(y)])plt.scatter(x, y, c='red', label='function') plt.plot([min_line, max_line], [min_line, max_line], ls="--", c=".3")plt.title(header)plt.xlabel("old data")plt.ylabel("new data")plt.legend() plt.show() plt.savefig('tmp_scatter.jpg')
