Get_CausalSNPs_bynum    Get_CausalSNPs_bynum()
fd_term                 d/d_theta_l
gamma_fd                d/d_gamma_l
gamma_off               d^2/d_gamma_ldgamma_m
gamma_on                d^2/d_gamma_ldgamma_l
gammasigma              d^2/d_gamma_ldsigma^2
gammatheta              d^2/d_gamma_kdtheta_k
gammatheta_off          d^2/d_gamma_ldtheta_m
get_A                   Get A vector
haz_left                H_ik(L_ik)
haz_right               H_ik(R_ik)
sd_off                  d^2/d_theta_kdsigma^2
sd_on                   d^2/dsigma^2^2
sim_gmat                Simulate genetic matrix.
simico_fit_null         simico_fit_null()
simico_gen_dat          simico_gen_dat()
simico_out              Get P-Values
ss_fd                   d/d_sigma^2
ss_sd                   d^2/d_sigma^2^2
st_off                  d^2/d_theta_ldsigma^2
surv_diff               S_ik(L_ik) - S_ik(R_ik)
surv_left               S_ik(L_ik)
surv_right              S_ik(R_ik)
without_one_phen        Survival Difference Product without Outcome l
without_two_phen        Survival Difference Product without Outcomes l
                        and m
