

cloud(Rnotes)                                R Documentation

_T_h_e _C_l_o_u_d _P_o_i_n_t _D_a_t_a

_D_e_s_c_r_i_p_t_i_o_n_:

     The cloud point of a liquid is a measure of the degree
     of crystalization in a stock that can be measured by
     the refractive index.  It has been suggested that the
     percentage of I8 in the base stock is an excellent pre-
     dictor of cloud point using the second or third order
     polynomial.

_D_e_t_a_i_l_s_:

     The data in the `cloud' data frame were collected on
     stocks with known percentage of I8. The components are
     as follows item{Ispc}{ The known percentage of I8.  }
     item{Cloudpt}{ The cloud point measurement.  }

_C_A_T_E_G_O_R_Y_:

     Polynomial regression. Simple plots.

_S_o_u_r_c_e_:

     Draper  Smith, "Applied Regression Analysis", page 162.

