orings                package:faraway                R Documentation

_S_p_a_c_h_e _S_h_u_t_t_l_e _C_h_a_l_l_e_n_g_e_r _O-_r_i_n_g_s

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

     The 1986 crash of the space shuttle Challenger was linked to
     failure of O-ring seals in the rocket engines. Data was collected
     on the 23 previous shuttle missions. The launch temperature on the
     day of the crash was 31F.

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

     data(orings)

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

     A data frame with 23 observations on the following 2 variables.

     _t_e_m_p temperature at launch in degrees F

     _d_a_m_a_g_e number of damage incidents out of 6 possible

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

     Presidential Commission on the Space Shuttle Challenger Accident, 
     Vol. 1, 1986: 129-131.

_R_e_f_e_r_e_n_c_e_s:

     S. Dalal, E. Fowlkes and B. Hoadley (1989) "Risk Analysis of the
     Space Shuttle: Pre-Challenger Prediction of Failure." Journal of
     the American Statistical Association. 84: 945-957.

