主题
自然语言问答
python
class PandasQA:
def __init__(self, df):
self.agent = create_pandas_dataframe_agent(
llm=ChatOpenAI(model='gpt-4o-mini', temperature=0),
df=df,
verbose=False,
)
def ask(self, question):
try:
r = self.agent.invoke(question)
return r['output']
except Exception as e:
return f"处理失败: {str(e)[:200]}"
def batch(self, questions):
results = {}
for q in questions:
results[q] = self.ask(q)
print(f"✓ {q[:40]}")
return results
qa = PandasQA(df)
answers = qa.batch([
"数据概况?",
"按模型分组统计平均分和延迟?",
"延迟超过1000ms的占比?",
])