challeng                package:alr3                R Documentation

_C_h_a_l_l_e_n_g_e_r _d_a_t_a

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

     Contains data from the performance of O-rings in 23 U.S. space
     shuttle flights prior to the Challenger disaster of January 20,
     1986.

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

     This data frame contains the following columns:

     _T_e_m_p Air Temp at launch (degrees F)

     _P_r_e_s Leak check pressure

     _F_a_i_l Number of O-rings that failed

     _n 6, number of O-rings in launch

     _E_r_o_s_i_o_n Number of erosion incidents

     _B_l_o_w_B_y Number of blowby incidents

     _D_a_m_a_g_e Total Damage Index

     _I_D ID name of launch

     _D_a_t_e date of flight

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

     Dalal, S, Fowlkes, E. B. and Hoadley, B. (1989), Risk analysis of
     the space shuttle:  Pre-challenger prediction of failure, _Journal
     of the American Statistical Association_, 84, 945-957. See also
     Tufte, E. R. (1997), _Visual and statistical Thinking:  Displays
     of evidence for making decisions_, Cheshire, CT:  Graphics Press.

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

     Weisberg, S. (2005). _Applied Linear Regression_, 3rd edition. New
     York: Wiley, Problem 12.6.

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

     data(challeng)

