FORECAST function in Excel

Forecast vs Trend Function in Excel

The FORECAST and TREND function give the exact same result. When you add a trendline to an Excel chart, Excel can display the equation in a chart (see below). You can use this equation to calculate future sales. Explanation: Excel uses the method of least squares to find a line that best fits the points. The R-squared value equals 0.9295, which is a… read more »