FORECAST function
FORECAST(X,
YValues, XValues) FORECAST(X;
YValues; XValues)
X
Number or { Number }
The horizontal coordinate of the point.
YValues
{ Number }
The vertical coordinates of the data points. This array must have the
same size as the xValues parameter.
XValues
{ Number }
The horizonal coordinates of the data points. This array must have the
same size as the yValues parameter.
Returns
Number or { Number }
The vertical coordinate of the point on a straight line which has been fitted to data using linear regression.
Fits a straight line to data using linear regression and returns the vertical coordinate of a point on that line.
Example
FORECAST(170, { 8, 9, 10,
11 }, { 50, 80, 110, 140 })FORECAST(170; { 8; 9; 10; 11 };
{ 50; 80; 110; 140 })
Returns 12.