cubic {mixexp} | R Documentation |
Creates cubic terms that are used by the function MixModel when fitting model (3)
cubic(a, b)
a |
input - vector of mixture components in a column in the data frame |
b |
input - another vector of mixture components in a column in the data frame |
vector of elementwise a^2*b-a*b^2 function of terms in the a and b vectors
John Lawson