makeX-methods {crmn} | R Documentation |
Make X
Description
Construct a design matrix
Usage
makeX(object, factors, ...)
## S4 method for signature 'ANY,matrix'
makeX(object, factors, ...)
## S4 method for signature 'ExpressionSet,character'
makeX(object, factors, ...)
Arguments
object |
an |
factors |
column names from the pheno data of |
... |
not used |
Details
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.
Value
a design matrix
Author(s)
Henning Redestig
Examples
data(mix)
makeX(mix, "runorder")
runorder <- mix$runorder
makeX(mix, model.matrix(~-1+runorder))
[Package crmn version 0.0.21 Index]