00:00okay this excel tip is really interesting we're going to forecast what our home price will be in
00:04the year 2040 here given this historical price of the same home well in excel we have this function
00:11called forecast and there's six different forecast function that you can use the first four of them
00:18pertains to ets which stands for exponential triple smoothing which takes into account
00:23seasonality and aggregation this conf stand for confidence interval this is seasonality and this
00:31was statistics we're not going to cover any of these first four ets functions in this excel tips
00:38and tutorial we are going to cover using the forecast linear which assumes that the growth or
00:44the depreciation of the house is going to be a linear trend but if you have excel 2013 and or
00:51older
00:51you're going to have to use this forecast function here i'm going to double click this forecast
00:56linear here the first argument that is looking for is your x which is going to be our year in
01:02cell
01:03e4 which is covered by this formula here and the second argument will be the known y's which is
01:09going to be our home value and the third argument and the final argument is your known x which is
01:15going to be the year itself close parentheses and hit enter and according to excel's forecast
01:21function in the year 2040 using a linear model your home value is going to be this much
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