Description Usage Arguments Details Value Examples
View source: R/degreesFreedom.R
Degrees of Freedom of a Covariance Matrix
1 |
x |
a matrix with class |
This function uses the f_eval
function from the lazyeval
package to return the degrees of freedom stored within the df
attribute of a matrix
object having the additional class
covariance
. This evaluation is necessary because the df
attribute of a matrix with class covariance
is stored as a
formula
object.
The degrees of freedom of the covariance matrix, as a numeric
object
1 2 | degreesFreedom(cov(iris[,1:4]))
lapply(cov(iris, group = "Species"), degreesFreedom)
|
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