R: Examples for 'MatrixModels::model.Matrix'

### ** Examples

data(CO2, package="datasets")
class(sm <- model.Matrix(~ 0+Type*Treatment, data=CO2, sparse=TRUE))

[1] "dsparseModelMatrix"
attr(,"package")
[1] "MatrixModels"

class(dm <- model.Matrix(~ 0+Type*Treatment, data=CO2, sparse=FALSE))

as(<matrix>, "dgeMatrix") is deprecated since Matrix 1.5-0; do as(as(as(., "dMatrix"), "generalMatrix"), "unpackedMatrix") instead

[1] "ddenseModelMatrix"
attr(,"package")
[1] "MatrixModels"

stopifnot(dim(sm) == c(84,4), dim(sm) == dim(dm), all(sm == dm))

Examples for 'MatrixModels::model.Matrix'