Description Usage Arguments Value References
Given a positive definite covariance matrix Σ, this function calculates the model error between two matrices U and V according to the formula
Trace [ (U-V)' Σ' Σ (U-V) ]/(mn),
where m, n are the dimensions of U (V). If no covariance matrix is specified, the function calculates the model error using the identity covariance matrix, which is equivalent the normalized squared matrix error).
1  | model_error(U, V, Sigma = NULL)
 | 
U | 
 matrix (m-by-n)  | 
V | 
 matrix (m-by-n)  | 
Sigma | 
 positive definite covariance matrix (m-by-m)  | 
The model error between U and V given
Sigma.
MRCEtsmvr
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