FORECAST

Calculates, or predicts, a future value by using existing values

Syntax

FORECAST(x, known_y_s, known_x_s)

Arguments

Argument Description Required
x The data point for which you want to predict a value Required
known_y_s The dependent array or range of data Required
known_x_s The independent array or range of data Required

Examples

Predict sales based on trend

=FORECAST(A1, A2:A6, A7:A11)

Result ⇒11.4760
A
1 6
2 7
3 9
4 15
5 21
6 1
7 2
8 3
9 4
10 5

Forecast temperature

=FORECAST(A1, A2:A6, A7:A11)

Result ⇒23
A
1 30
2 20
3 25
4 30
5 35
6 10
7 15
8 20
9 25
10 30

Linear regression prediction

=FORECAST(A1, A2:A6, A7:A11)

Result ⇒3.4865
A
1 5
2 1
3 3
4 5
5 7
6 1
7 2
8 3
9 4
10 5

Related Functions

Other Statistical functions:

  • AVEDEV - Returns the average of the absolute deviations of data points from their mean
  • AVERAGE - Returns the average of given arguments. Text is ignored.
  • CORREL - Returns the correlation coefficient between two data sets
  • COUNT - Returns the count of numeric values in a dataset.
  • COUNTA - Returns the count of values in a list of arguments including text, logical values, error values, and empty text.
  • COUNTIF - Returns the count of cells that meet a specified criteria
  • COUNTIFS - Returns the count of criteria_ranges based on the given criterions.
  • LARGE - Returns the k-th largest value in a data set
  • MAX - Returns the largest number from the provided arguments
  • MEDIAN - Returns the median of the given numbers
  • MIN - Returns the smallest number from the provided arguments
  • MINIFS - Returns the minimum value from a range that meets multiple criteria.
  • MODE - Returns the most frequently occurring value in a data set
  • PERCENTILE - Returns the k-th percentile of values in a range
  • PERCENTRANK - Returns the rank of a value in a dataset as a percentage (0 to 1) of the dataset
  • RANK - Returns the rank of a number from the list of other numeric values
  • SMALL - Returns the k-th smallest value in a data set
  • STDEV - Returns the estimated standard deviation based on a sample
  • STDEVP - Calculates standard deviation based on the entire population
  • SUMIF - Returns the sum of a range depending on criteria
  • SUMPRODUCT - Returns the sum of products for a list of arguments
  • VAR - Returns the estimated variance for a sample of data
  • VARP - Calculates variance based on the entire population