Description Usage Arguments Details Value Note
Separate the covariates from a 'formula' with a cluster effect from the ones with an identical effect in each cluster if provided.
1 |
formula |
A symbolic description of the model. In
the parametric case we write for example |
Given a 'formula' of the form Y ~ clust(T1 + T2 +
...) + pop(X1 + X2 + ...)
or just Y ~ clust(T1 +
T2 + ...)
, it returns a list of two or one 'formula' of
the form Y ~ T1 + T2 + ...
and ~ X1 + X2 +
...
if provided.
The first element of the list
correspond to the covariates with a different effects
corresponding to the cluster, the 2nd correspond to
covariates having an identical effect in each cluster.
In the non-parametric case only one covariate is
allowed.
A list of 1 or 2 [formula].
Meant to be used internally.
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