D:\vnstudio\lib\site-packages\vnpy\app\cta_strategy\backtesting.py:399: RuntimeWarning: invalid value encountered in log
df["return"] = np.log(df["balance"] / df["balance"].shift(1)).fillna(0)
策略回测,出现上述错误 ,请帮忙看一下,谢谢
D:\vnstudio\lib\site-packages\vnpy\app\cta_strategy\backtesting.py:399: RuntimeWarning: invalid value encountered in log
df["return"] = np.log(df["balance"] / df["balance"].shift(1)).fillna(0)
策略回测,出现上述错误 ,请帮忙看一下,谢谢
这个应该不影响运行的