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Provides a character vector, or a list of character vectors of all the variables in a yai object, just the X-variables (xvars), or just the Y-variables (yvars).
yai
xvars
yvars
vars(object) xvars(object) yvars(object)
an object created by yai.
A charactor vector of Y-variables.
A charactor vector of X-variables.
A list of both vectors.