做空间计量的时候出现如下问题，急切求教！！！
??? Error using ==> betainc
X must be in the interval [0,1].

Error in ==> tdis_prb at 35
tmp = 1.0 - 0.5*betainc(x2,0.5*n,0.5);

Error in ==> panel_effects_sar at 117
    total_out(i,:) = [cmean cmean./smean tdis_prb(cmean./smean,nobs) lbounds ubounds];