我有多个产品的每周（2015年1月至2017年4月）销售数据。我正在尝试使用Auto Arima来预测未来。对于许多产品，我一直在输出NA。 这是我的示例代码。你可以帮我解决我在代码中出错的地方。
Data1 <- ts(R_Input_Stats[,-1],f=52,s=2015+2/52)
h <- 25
ns <- ncol(Data1)
arimaforecast <- matrix(NA, nrow=h, ncol=ns)
for (i in 1:ns){
arimaforecast[,i] <- forecast(auto.arima(Data1[,i]), h=h,)$mean}
write(t(arimaforecast),file="R_Output_Stats_ArimaAllSKus.csv",sep=",",ncol=ncol(arimaforecast))
您是否也可以替换上面的＆＃34; for循环＆＃34;和＆＃34; lapply＆＃34;？如果我想了解每种产品的Auto Arima的顺序？ 感谢您的回复 样本数据 样本数据
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