Sample size.
Sample size.
Maximum value of each column.
Maximum value of each column.
Sample mean vector.
Sample mean vector.
Minimum value of each column.
Minimum value of each column.
L1 norm of each column
L1 norm of each column
Euclidean magnitude of each column
Euclidean magnitude of each column
Number of nonzero elements (including explicitly presented zero values) in each column.
Number of nonzero elements (including explicitly presented zero values) in each column.
Sample variance vector.
Sample variance vector. Should return a zero vector if the sample size is 1.
Trait for multivariate statistical summary of a data matrix.