calculateVarCov {compositeReliabilityInNestedDesigns} | R Documentation |
calculateVarCov: Estimate variance and covariance components of assessee p S_p and mean assessment scores i nested in assessees S_iINp, and determine the error scores S_delta
calculateVarCov(mydata, n)
mydata |
A dataframe containing columns ID, Type, Score (numeric) |
n |
A vector containing for each Type the number of scores or assessments, e.g. averages, requirements. |
A list containing the observed variances, covariances and errors scores
varcov <- calculateVarCov(mydata, c("A"=3, "B"=3, "C"=2))
varcov$S_p
varcov$S_iINp
varcov$S_delta