Specifies Manifest Items for glca
Specifying manifest items in formula of glca
function.
item(..., starts.with = NULL, ends.with = NULL)
... |
vectors of manifest items. These can be given as named arguments which is colnames of |
starts.with |
a string for prefix of variable names to be selected. |
ends.with |
a string for suffix of variable names to be selected. |
a matrix
of specified variables, which contains names and levels of manifest items.
## For examples see example(glca)
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