加载数据:
df = pd.read_csv('wind_data.csv')
将date转换为datetime并设置为索引
df.date = pd.to_datetime(df.date)
df.set_index('date', drop=True, inplace=True)
为 1961 创建一个 DateFrame
df_1961 = df[df.index < pd.to_datetime('1962-01-01')]
为统计计算重新采样
df_1961.resample('W').mean()
df_1961.resample('W').min()
df_1961.resample('W').max()
df_1961.resample('W').std()
绘制 1961 年的数据:
fix, axes = plt.subplots(12, 1, figsize=(15, 60), sharex=True)
for name, ax in zip(df_1961.columns, axes):
ax.plot(df_1961[name], label='Daily')
ax.plot(df_1961_mean[name], label='Weekly Mean Resample')
ax.plot(df_1961_min[name], label='Weekly Min')
ax.plot(df_1961_max[name], label='Weekly Max')
ax.set_title(name)
ax.legend()