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| Skill Name | Teradata Ljung-Box Test |
|---|---|
| Description | Ljung-Box portmanteau tests for model diagnostics and residual analysis |
| Category | Uaf Model Preparation |
| Function | TD_PORTMAN |
| Framework | Teradata Unbounded Array Framework (UAF) |
| 技能名称 | Teradata Ljung-Box检验 |
|---|---|
| 描述 | 用于模型诊断和残差分析的Ljung-Box游程检验 |
| 分类 | UAF模型准备 |
| 函数 | TD_PORTMAN |
| 框架 | Teradata无界数组框架（UAF） |
"Analyze time series table: database.sensor_data with timestamp column and value columns""Analyze time series table: database.sensor_data with timestamp column and value columns"-- Example TD_PORTMAN workflow
-- Replace parameters with your specific requirements
-- 1. Data preparation for UAF processing
SELECT * FROM TD_UNPIVOT (
ON your_database.your_timeseries_table
USING
TimeColumn ('timestamp_col')
ValueColumns ('value1', 'value2', 'value3')
) AS dt;
-- 2. Execute TD_PORTMAN
SELECT * FROM TD_PORTMAN (
ON prepared_data
USING
-- Function-specific parameters
-- (Detailed parameters provided by skill analysis)
) AS dt;-- TD_PORTMAN工作流示例
-- 替换参数为您的具体需求
-- 1. 为UAF处理准备数据
SELECT * FROM TD_UNPIVOT (
ON your_database.your_timeseries_table
USING
TimeColumn ('timestamp_col')
ValueColumns ('value1', 'value2', 'value3')
) AS dt;
-- 2. 执行TD_PORTMAN
SELECT * FROM TD_PORTMAN (
ON prepared_data
USING
-- 函数专属参数
-- （详细参数由Skill分析提供）
) AS dt;uaf_data_preparation.sqltd_portman_workflow.sqltable_analysis.sqlparameter_optimization.sqluaf_data_preparation.sqltd_portman_workflow.sqltable_analysis.sqlparameter_optimization.sqluaf_pipeline_template.sqlperformance_monitoring.sqlresult_interpretation.sqluaf_pipeline_template.sqlperformance_monitoring.sqlresult_interpretation.sql