用frontier4.1运行的结果,自变量3个,影响因素4个 各位帮忙解答一下
the final mle estimates are :最大似然估计
coefficient standard-error t-ratioT检验值
beta 0 0.55232527E+01 0.68087893E+00 0.81119454E+01
beta 1 0.44326082E+00 0.23601459E-01 0.18781077E+02
beta 2 0.41625719E+00 0.25874818E-01 0.16087348E+02
beta 3 0.19769262E+00 0.17545488E-01 0.11267434E+02
delta 0 0.35457474E+01 0.66955724E+00 0.52956598E+01
delta 1 -0.16342829E+00 0.21736617E-01 -0.75185707E+01
delta 2 -0.52551618E+00 0.45877189E-01 -0.11454847E+02
delta 3 -0.50247543E+00 0.54076139E-01 -0.92919990E+01
delta 4 0.74945182E+00 0.30579680E-01 0.24508164E+02
sigma-squared 0.43786908E-01 0.29121785E-02 0.15035791E+02
gamma 0.99998937E+00 0.31541342E+01 0.31704084E+00