I tried forecasting with holt-winters model as shown below but I keep getting a prediction that is not consistent with what I expect. I also showed a visualization of the plot Train = Airline[:130...

I have a time series data with a frequency = 7 as follows: combo_1_daily_mini <- read.table(header=TRUE, text=" region_1 region_2 region_3 date incidents USA CA San Francisco 1/1/15 37 USA CA S...

I am trying to use the forecast.holtwinters function and when I try to run it: dftimeseriesforecast <- forecast.HoltWinters(data, h=65) I get this error: Error: could not find function "fo...

I am following this tutorial by Rob Hyndman for initialization (additive). Steps to calculate initial values are specified as: I am running above steps manually (with pen/paper) on data set pro...