Difference between revisions of "Documentation/How Tos/Calc: FORECAST function"
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: with the same x values and y values, also returns <tt>'''13'''</tt>. | : with the same x values and y values, also returns <tt>'''13'''</tt>. | ||
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* [[Documentation/How_Tos/Calc: TREND function|TREND]] | * [[Documentation/How_Tos/Calc: TREND function|TREND]] | ||
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| − | [[Category: Documentation/Reference/Calc]] | + | [[Category: Documentation/Reference/Calc/Statistical functions]] |
Latest revision as of 14:42, 2 February 2024
Spreadsheet Lookup functions
Measures of dispersion / spread
Probability and statistics
Correlation and line fitting
See also (in the Arrays Functions category); GROWTH, LINEST, LOGEST, TREND
Ranking
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FORECAST
Fits a straight line to data using linear regression and returns a point on that line.
Syntax:
FORECAST(new_xvalue; yvalues; xvalues)
- yvalues and xvalues are single row or column ranges specifying points in a set of data. yvalues and xvalues must be the same size.
- FORECAST fits a straight line through these data points, using the linear regression method.
- FORECAST returns the y value on the straight line found, corresponding to the x value in new_xvalue. It is equivalent to TREND(yvalues; xvalues; new_xvalue).
- Advanced topic:
- The parameters xvalues and yvalues are always evaluated as array formulas. Note that TREND does not evaluate its parameters as array formulas.
Example:
FORECAST(6; B2:B6; A2:A6)
- where the x values in A2:A6 are 1, 2, 3, 4, 5 and the y values in B2:B6 are 2, 4, 7, 8, 11 returns 13.
TREND(B2:B6; A2:A6; 6)
- with the same x values and y values, also returns 13.
{{#switch:EN
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| UA = Дивіться також:
| EN = See Also
| PT = Ver também
| #default = See Also
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