ttshark 发表于 2014-9-18 22:18 
将日期数据用data$data[-1]替换试试
请问大神这个报错呢?
Error in h(simpleError(msg, call)) :
在为'plot'函数选择方法时评估'x'参数出了错: 'xreg'和'newxreg'有不同数目的列
In addition: Warning message:
In forecast.Arima(ARIMAXmod, h = length(nx_test), xreg = nx_test) :
xreg not required by this model, ignoring the provided regressors