how do i choose the optimal rotation to use in the fitting of a polynomial when should i rotate the data to fit a polynomial which function would you use to find optimal rotation what is optimal rotation before curve fitting which variable is optimal rotation for curve fitting how to correctly rotate a polynomial what is the purpose of the rotation before the curve what is optimal rotation before curve fitting what is optimal rotation before curve fitting how to perform optimal rotation prior to curve fitting when to insert a principal axis into a curve? optimal rotation before curve fitting which is optimal rotation before curve fitting what is best way to do a rotation before curve insertion which is optimal rotation before curve fitting? how can i do a curve fitting in regression analysis how to use optimal rotation before curve fitting which is optimal rotation before curve fitting why choose rotated before curve fitting pca optimal rotation