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hi ,
please am trying my hands on exercise 1.6 - The Demand - Side- Management scenario but i keep on getting this message " invalid value parameter 'base year value * 0.95" in time series. in entered the correct expression as suggested in the exercise Manuel Interp(2020, base year value * 0.95, 2040, base year value * 0.8).
again in the previous exercises when i will the results my 2010 bar graphs do not appear. everything seems to be ok just that the bars for the year 2010 do not show in the graphs
warm regards