"merPredD"- a Dense Predictor Reference Class
A reference class (see mother class definition
"envRefClass" for a mixed-effects model predictor
module with a dense model matrix for the fixed-effects parameters.
The reference class is associated with a C++ class of the same name.
As is customary, the generator object,
merPredD, for the
class has the same name as the class.
Objects from this reference class correspond to objects in a C++
class. Methods are invoked on the C++ class object using the external
pointer in the
Ptr field. When saving such an object the
external pointer is converted to a null pointer, which is why there
are redundant fields containing enough information as R objects to be
able to regenerate the C++ object. The convention is that a field
whose name begins with an upper-case letter is an R object and the
corresponding field, whose name begins with the lower-case letter is a
method. References to the external pointer should be through the
method, not directly through the
showClass("merPredD") pp <- slot(lmer(Yield ~ 1|Batch, Dyestuff), "pp") stopifnot(is(pp, "merPredD")) str(pp) # an overview of all fields and methods' names.
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