This helper function creates a valid
formulas object. The
formulas object is an argument to the
It is a list of formula's that specifies the target variables and
the predictors by means of the standard
make.formulas(data, blocks = make.blocks(data), predictorMatrix = NULL)
An optional specification for blocks of variables in the rows. The default assigns each variable in its own block.
A list of formula's.
f1 <- make.formulas(nhanes) f1 f2 <- make.formulas(nhanes, blocks = make.blocks(nhanes, "collect")) f2 # for editing, it may be easier to work with the character vector c1 <- as.character(f1) c1 # fold it back into a formula list f3 <- name.formulas(lapply(c1, as.formula)) f3
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