slope

Slope of a linear regression line.

Syntax

v = slope(knownys, knownxs)

Description

Returns the slope of the least-squares regression line through (x, y) points — the b1 coefficient in y = b0 + b1*x.

Example

slope([2 4 6 8], [1 2 3 4])    % 2

See also

• intercept — Y-intercept of a linear regression line.
• linest — Linear regression coefficients (with optional statistics).
• rsq — Square of the Pearson correlation coefficient (R²).
• trend — Linear-trend predictions.