intercept

Y-intercept of a linear regression line.

Syntax

v = intercept(knownys, knownxs)

Description

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

Example

intercept([3 5 7 9], [1 2 3 4])    % 1

See also

• slope — Slope of a linear regression line.
• linest — Linear regression coefficients (with optional statistics).
• trend — Linear-trend predictions.