makeX {crmn} | R Documentation |
Construct a design matrix
object |
an ExpressionSet |
factors |
column names from the pheno data of object
or a design matrix |
Make a design matrix from the pheno data slot of an expression
set, taking care that factors and numerical are handled
properly. No interactions are included and formula is the most
simple possible, i.e. y~-1+term1+term2+...
. Can also be given
anything as object in which case factor
must be a design matrix.
It that case the same design matrix is returned.
a design matrix
Henning Redestig henning@psc.riken.jp
data(mix) makeX(mix, "runorder") runorder <- mix$runorder makeX(mix, model.matrix(~-1+runorder))