Inner function to compute the between level scores of the mfqpca methodology.
Arguments
- Y
The \((N \times T)\) matrix of observed time instants.
- Y.mask
Mask matrix of the same dimensions as Y indicating which observations in Y are known.
- group
An N dimensional array indicating the hierarchical structure of the data. Elements in the array with the same value indicate they are repeated measures of the same individual.
- intercept
A T dimensional vector of intercept values.
- loadings
Matrix of loading coefficients.
- quantile.value
The quantile considered.
