chocolates            package:SensoMineR            R Documentation

_C_h_o_c_o_l_a_t_e_s _d_a_t_a

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

     The data used here refer to six varieties of chocolates sold in
     France.

     - For the sensory description: each chocolate was evaluated twice
     by 29 panelists according to 14 sensory descriptors;
      - For the hedonic data: each chocolate was evaluated on a
     structured scale from 0 to 10,  by 222 consumers, according to
     their liking (0) or disliking (10);
      - For the sensory panels description: each chocolate was
     evaluated by 7 panels according to 14 sensory descriptors.

_U_s_a_g_e:

     data(chocolates)

_F_o_r_m_a_t:

     There are three data frames:

_s_e_n_s_o_c_h_o_c a data frame with 348 rows and 19 columns: 5 qualitative
     variables (Panelist, Session, Form, Rank, Product) and 14 sensory
     descriptors;

_h_e_d_o_c_h_o_c a data frame with 6 rows and 222 columns: each row corresponds
     to a chocolate and each column to the hedonic scores given by one
     of the 222 consumers participating in the study;

_s_e_n_s_o_p_a_n_e_l_s a data frame with 6 rows and 98 columns: each row
     corresponds to a chocolate and each column to the mean over the
     panelists of a given panel  according to a sensory descriptor.

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

     Dpartement de mathmatiques appliques, Agrocampus Rennes

_E_x_a_m_p_l_e_s:

     data(chocolates)
     decat(sensochoc, formul = "~Product+Panelist", firstvar = 5, graph = FALSE)

