arimaPred.plot: Plot the prediction and confidence interval of arima model
In yanyachen/arimaMisc: Time Series Analysis Miscellaneous Tools

Compute the prediction and standard error of the prediction and plot the prediction and confidence interval of arima model

1	arimaPred.plot(series, Arima, b, h, level = 0.95, new.xreg = NULL)

`series`	time series data
`Arima`	Fitted ARIMA model from `arima`
`b`	number of periods for original data plotting
`h`	number of periods for forecasting
`level`	confidence level for prediction intervals
`new.xreg`	optional, a vector or matrix of external regressors