我想使用Forecast()函数,但是有一个错误“ ARResults对象没有属性'forecast'“我该如何解决此属性错误?
我尝试安装最新版本的statsmodel并将其导入。
编写代码:
from statsmodels.tsa.arima_model import ARIMA
from statsmodels.tsa.ar_model import AR
# split dataset
X = series.values
train, test = X[1:len(X)-7], X[len(X)-7:len(X)+7]
model = AR(train)
model_fit = model.fit()
forecast = model_fit.forecast()[0]
X:
收到错误:
AttributeError Traceback (most recent call last)
<ipython-input-122-bf247fddf57f> in <module>()
1 # one-step out-of sample forecast
----> 2 forecast = model_fit.forecast()[0]
~\Anaconda3\lib\site-packages\statsmodels\base\wrapper.py in __getattribute__(self, attr)
33 pass
34
---> 35 obj = getattr(results, attr)
36 data = results.model.data
37 how = self._wrap_attrs.get(attr)
AttributeError: 'ARResults' object has no attribute 'forecast'