com.ci {smatr} | R Documentation |
Calculates a confidence inteval for a common slope (called by slope.com)
com.ci(b, varb, crit, z, n, l1, l2, method, lambda, res.df)
b |
Common slope estimate. |
varb |
Estimated variance of the common slope. |
crit |
Critical value to be used in confidence interval calculation. |
z |
Variances and covariances of each group. |
n |
Sample sizes of each group. |
l1 |
Variance of fitted axis scores, for each group. |
l2 |
Variance of fitted residuals, for each group. |
method |
See slope.com for details. |
lambda |
Error variance ration (implied by choice of method. |
res.df |
Residual degrees of freedom, for each group. |
Warton, D. David.Warton@unsw.edu.au, translated to R by Ormerod, J. 2005-12-08