回归命令：ologit  kzz cfo cash size lev tobinqc
stata窗口一直处于运算中，出现如下滚动：
请问这是怎么回事，这已经是第5次这样了，一直没解决

Iteration 1095: log likelihood = -13872.458  (backed up)
Iteration 1096: log likelihood = -13872.458  (backed up)
Iteration 1097: log likelihood = -13872.458  (backed up)
Iteration 1098: log likelihood = -13872.458  (backed up)
Iteration 1099: log likelihood = -13872.458  (backed up)
Iteration 1100: log likelihood = -13872.458  (backed up)
Iteration 1101: log likelihood = -13872.458  (backed up)
Iteration 1102: log likelihood = -13872.458  (backed up)
Iteration 1103: log likelihood = -13872.458  (backed up)
Iteration 1104: log likelihood = -13872.458  (backed up)
Iteration 1105: log likelihood = -13872.458  (backed up)
Iteration 1106: log likelihood = -13872.458  (backed up)
Iteration 1107: log likelihood = -13872.458  (backed up)
Iteration 1108: log likelihood = -13872.458  (backed up)
Iteration 1109: log likelihood = -13872.458  (backed up)
Iteration 1110: log likelihood = -13872.458  (backed up)
Iteration 1111: log likelihood = -13872.458  (backed up)
Iteration 1112: log likelihood = -13872.458  (backed up)
Iteration 1113: log likelihood = -13872.458  (backed up)
Iteration 1114: log likelihood = -13872.458  (backed up)
Iteration 1115: log likelihood = -13872.458  (backed up)
Iteration 1116: log likelihood = -13872.458  (backed up)
Iteration 1117: log likelihood = -13872.458  (backed up)
Iteration 1118: log likelihood = -13872.458  (backed up)
Iteration 1119: log likelihood = -13872.458  (backed up)
Iteration 1120: log likelihood = -13872.458  (backed up)
Iteration 1121: log likelihood = -13872.458  (backed up)