This class of objects is returned by the cvdm function to compare two methods of estimating a formula.
The following components must be included in a legitimate cvdm object.
name of the estimation method favored by the cvdm test.
object returned by the bias-corrected Johnson's t-test. A positive test statistic supports method 1 and a negative test statistic supports method 2.
p-value for the test statistic.
number of observations.
degrees of freedom.
The object also contain the following: call, x, and y. See lm documentation for more.