SARIMA 预测
确认时间频率和季节周期,检查数据长度能否覆盖足够周期。执行季节模型与时间验证,报告参数、误差、预测区间和季节模式;数据不足时不要强行拟合。
Tool routing
- Use
get_schemato identify the time column, target column, seasonal frequency, and source table. - Use
query_dataonly to verify sorted frequency, missing periods, and enough seasonal cycles. - Use
run_analysiswithanalysis_name="Time_Series_SARIMA"for the actual forecast computation. - Use
generate_charton forecast or seasonal diagnostic result tables afterrun_analysissucceeds.
Implementation reference
- Tool entry:
agent/tools/business/data.py::_tool_run_analysis - Analysis registry:
Function/Analyze/registry.py - Analysis implementation:
Function/Analyze/Time_Series_SARIMA/analyze.py - Chart implementation:
Function/Charts_generation/chart_generate.py