What is Interpolation and How To Interpolate In Excel
bsuite365.com › blog › excelAug 14, 2020 · Mathematical Equation for Linear Interpolation. The mathematical equation for this case is as follows: y= y 1 + (x-x 1 )⨯ (y 2 -y 1 )/ (x 2 -x 1) We need the value of y corresponding to x, which makes point B (x,y). A (x 1 ,y 1) and C (x 2 ,y 2) are the two points around B. To find the required y, type the equation above in an Excel cell.
How to Interpolate Missing Values in Excel - Statology
www.statology.org › interpolate-missing-values-excelDec 10, 2020 · If we leave the Type as Linear, Excel will use the following formula to determine what step value to use to fill in the missing data: Step = (End – Start) / (#Missing obs + 1) For this example, it determines the step value to be: (35-20) / (4+1) = 3. Once we click OK, Excel automatically fills in the missing values by adding 3 to the each subsequent value: Example 2: Fill in Missing Values for a Growth Trend