bivar(formula1, lig1, formula2, lig2, data, ...)
formula
": the description of the first model to be fitted. formula
": the description of the second model to be fitted. bivar
returns an object of class "bivar
" including at least the following elements:
Lima Neto, E. A., Cordeiro, G. and De Carvalho, F.A.T. (2011). Bivariate symbolic regression models for interval-valued variables. Journal of Statistical Computation and Simulation (Print), 81, 1727--1744.
summary.bivar
, coef.bivar
, fitted.bivar
, residuals.bivar
, formula
data("soccer.bivar", package = "iRegression")
ex.bivar <- bivar("yMin~t1Min+t2Min", "identity", "yMax~t1Max+t2Max", "identity", data=soccer.bivar)
ex.bivar
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