解决FutureWarning: The default method ‘yw‘ can produce PACF values outside of the [-1,1] interval.

出现了FutureWarning: The default method 'yw' can produce PACF values outside of the [-1,1] interval. After 0.13, the default will change tounadjusted Yule-Walker ('ywm'). You can use this method now by setting method='ywm'.

warnings.warn(

首先进行翻译：

FutureWarning：默认方法“yw”可能会产生[-1,1]区间之外的PACF值。0.13之后，默认值将更改为tounadjusted Yule Walker（“ywm”）。现在可以通过设置method='ywm'来使用此方法

方法一：设置method='ywm'

找到与PACF值有关的函数

fig = sm.graphics.tsa.plot_pacf(train, lags=20, ax=ax2)

修改后

fig = sm.graphics.tsa.plot_pacf(train, lags=20, ax=ax2,method='ywm')

此时运行不会出现警告

方法二：将statsmodels.api改成0.13之前的版本

未操作但有利有弊两版本的不同可能解决这个问题，但导致其他函数出现错误或警告

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解决FutureWarning: The default method ‘yw‘ can produce PACF values outside of the [-1,1] interval.

解决FutureWarning: The default method ‘yw‘ can produce PACF values outside of the [-1,1] interval.相关推荐

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