如何在不规则间隔的时间序列上拟合R中的自动ARIMA模型来预测未来值?
我们有以下数据值和时间序列戳:如何在不规则间隔的时间序列上拟合R中的自动ARIMA模型来预测未来值?,r,time-series,prediction,forecasting,R,Time Series,Prediction,Forecasting,我们有以下数据值和时间序列戳: Lines <- "date,time,data 20/03/2014,07:10,9996792524 21/04/2014,07:10,8479115468 21/09/2014,07:10,11394750532 16/10/2014,07:10,9594869828 18/11/2014,07:10,10850291677 08/12/2014,07:10,10475635302 22/01/2015,07:10,10116010939
Lines <- "date,time,data
20/03/2014,07:10,9996792524
21/04/2014,07:10,8479115468
21/09/2014,07:10,11394750532
16/10/2014,07:10,9594869828
18/11/2014,07:10,10850291677
08/12/2014,07:10,10475635302
22/01/2015,07:10,10116010939
26/02/2015,07:10,11206949341
20/03/2015,07:10,11975140317
09/04/2015,07:10,11526960332
29/04/2015,07:10,9986194500
16/09/2015,07:10,11501088256
13/10/2015,07:10,11833183163
10/11/2015,07:10,13246940910
16/12/2015,07:10,13255698568
27/01/2016,07:10,13775653990
23/02/2016,07:10,13567323648
22/03/2016,07:10,14607415705
11/04/2016,07:10,13835444224
04/04/2016,07:10,14118970743"
现在我们正试图在这个时间序列数据上拟合一个自动ARIMA模型。但是,我们得到了一个错误:
amar_fit <- auto.arima(z)
#Error in lm.fit(x, y, offset = offset, singular.ok = singular.ok, ...) :
# 0 (non-NA) cases
amar\u fit数据适合行
变量。我已经更新了我的问题,以显示数据所在的位置。你能告诉我如何纠正这个错误吗?我期待着未来2-3年的一些预测,每年2个预测值——不管是什么时间、月或日。我只想看看每年的趋势是如何上升的
amar_fit <- auto.arima(z)
#Error in lm.fit(x, y, offset = offset, singular.ok = singular.ok, ...) :
# 0 (non-NA) cases