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predict_demo.py
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| 1 | -''' | ||
| 2 | -用于测试预测逻辑 | ||
| 3 | -@Author: QST520 | ||
| 4 | -''' | ||
| 5 | -import numpy as np | ||
| 6 | - | ||
| 7 | -import datetime | ||
| 8 | -import matplotlib.pyplot as plt | ||
| 9 | - | ||
| 10 | - | ||
| 11 | -def datetime_to_number(date: str): # 格式化日期转换为 integer | ||
| 12 | - date_number = datetime.datetime.strptime(date, "%Y-%m-%d") | ||
| 13 | - base_number = datetime.datetime.strptime("2024-1-1", "%Y-%m-%d") | ||
| 14 | - return date_number.__sub__(base_number).days | ||
| 15 | - | ||
| 16 | - | ||
| 17 | -if __name__ == '__main__': # 预测 demo | ||
| 18 | - xs = [ | ||
| 19 | - '2024-6-4', '2024-6-5', '2024-6-6', '2024-6-7', '2024-6-8', '2024-6-9', | ||
| 20 | - '2024-6-10', '2024-6-11', '2024-6-12', '2024-6-13' | ||
| 21 | - ] | ||
| 22 | - ys = [15, 14, 16, 15, 16, 13, 12, 11, 9, 8] | ||
| 23 | - xs = np.array(list(map(datetime_to_number, xs))) | ||
| 24 | - ys = np.array(ys) | ||
| 25 | - fit = np.polyfit(xs, ys, 1) | ||
| 26 | - fn = np.poly1d(fit) | ||
| 27 | - print('2024-6-14 PREDICTION: ' + | ||
| 28 | - str(int(fn(datetime_to_number('2024-6-14'))))) | ||
| 29 | - print('2024-6-15 PREDICTION: ' + | ||
| 30 | - str(int(fn(datetime_to_number('2024-6-15'))))) | ||
| 31 | - print('2024-6-16 PREDICTION: ' + | ||
| 32 | - str(int(fn(datetime_to_number('2024-6-16'))))) | ||
| 33 | - print('2024-6-17 PREDICTION: ' + | ||
| 34 | - str(int(fn(datetime_to_number('2024-6-17'))))) | ||
| 35 | - print('2024-6-18 PREDICTION: ' + | ||
| 36 | - str(int(fn(datetime_to_number('2024-6-18'))))) |
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