I am trying to create FORECAST.ETS function in Excel Online but it returns #N/A error. According to documentation, this happens when the ranges of two arguments (timeline and values) are not of the same size. However, my ranges are of the same size., my timeline is like: January 1st, February 1st, March 1st etc. Any idea what I am doing wrong? My formula is like this: =FORECAST.ETS(A13,$B$2:$B$12,$A$2:$A$12,1,1,1)
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