英语翻译Noteherethatwecouldequallywelldefineerrorasoutcome-forecast.Thatwouldjustchangethesignoftheerrors,nottheirabsolutevalues.Indeednoteherethatifyouinspectthepackageoutputyouwillseethatitdoesjustthat.Inm

Question

英语翻译
Note here that we could equally well define error as outcome-forecast.That would just change the sign of the errors,not their absolute values.Indeed note here that if you inspect the package output you will see that it does just that.
In month 4 we have a forecast for month 5 of m4 = 40.7 but an outcome for month 5 of 35 leading to an error of 40.7-35 = 5.7.
In month 5 we have a forecast for month 6 of m5 = 38.7 but an outcome for month 6 of 37 leading to an error of 38.7-37 = 1.7.
Hence we can construct the table below:

Answer 1

Hence we can construct the table below:
因此,我们可以建立以下图表: