Description Usage Arguments Value Note Author(s)
This method constructs a design matrix from a Zelig-style
formula. This matrix is commonly used in statistical
simulation, and will likely be relevent as the relevant
form of a setx
object.
1 2 3 | ## S3 method for class 'parseFormula'
model.matrix(object, data = NULL,
...)
|
object |
a "parseFormula" object |
data |
a "data.frame" |
... |
ignored parameters |
a "model.matrix" specifying information relevant to a statistical model
This method is primarily used by the setx
function.
Matt Owen mowen@iq.harvard.edu
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