$dummy
association
classification
clustering
feature
imputation
manifold
mds
nlp
projection
sequence
wavelet
$schema
VegaLite
%
IntScalar
%*%
MatrixExpression
MatrixMultiplicationChain
MatrixMultiplicationExpression
*
IntScalar
Matrix
Scalar
Vector
MatrixExpression
VectorExpression
**
IntScalar
Scalar
*~
Vector
+
IntScalar
Matrix
Scalar
Vector
FormulaBuilder
MatrixExpression
VectorExpression
-
IntScalar
Matrix
Scalar
Vector
FormulaBuilder
MatrixExpression
VectorExpression
/
IntScalar
Scalar
Vector
MatrixExpression
VectorExpression