linearreg_ci_pin(X, Y, xp, cl)
Performs a linear regression analysis using samples X and Y and then computes a confidence interval for the prediction of the response variable Y at point xp using confidence level cl.
See also linearreg linearreg_ci_slo linearreg_ci_mea
Example
X=(3, 4, 6, 6, 7, 8)
( 3 4 6 6 7 8 )
Y=(4, 5, 6, 6, 7, 8)
( 4 5 6 6 7 8 )
linearreg_ci_pin(X, Y, 6, .95)
Linear Regression.
Confidence interval for the prediction of the response variable.
xp : 6.0
Confidence level : 0.95 (95%)
Results:
yp : 6.25
Interval : (5.49821726879176, 7.00178273120824 )
Margin of error : 0.7517827312082402