shrimp package:MASS R Documentation _P_e_r_c_e_n_t_a_g_e _o_f _S_h_r_i_m_p _i_n _S_h_r_i_m_p _C_o_c_k_t_a_i_l _D_e_s_c_r_i_p_t_i_o_n: A numeric vector with 18 determinations by different laboratories of the amount (percentage of the declared total weight) of shrimp in shrimp cocktail. _U_s_a_g_e: shrimp _S_o_u_r_c_e: F. J. King and J. J. Ryan (1976) Collaborative study of the determination of the amount of shrimp in shrimp cocktail. _J. Off. Anal. Chem._ *59*, 644-649. R. G. Staudte and S. J. Sheather (1990) _Robust Estimation and Testing._ Wiley.