regression diagnostics

例句：

1. 1. The researchers used regression diagnostics to identify the root cause of the problem.
   研究人员使用回归诊断学来识别问题的根源。
2. 2. The team conducted regression diagnostics to ensure the system was functioning correctly.
   团队进行了回归诊断学以确保系统正确运行。
3. 3. The doctor performed regression diagnostics on the patient's blood tests to rule out any underlying medical conditions.
   医生对患者的血液测试进行了回归诊断学，以排除任何潜在的医疗条件。