td-acf

Perform auto-correlation analysis on time series data using Teradata's TD_ACF function.

7|Updated Dec 3, 2025
One-click install
npx skills add https://github.com/teradata-labs/claude-cookbooks --skill td-acf
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: td-acf
Source: https://github.com/teradata-labs/claude-cookbooks/tree/main/skills/analytics/td-acf
Command: npx skills add https://github.com/teradata-labs/claude-cookbooks --skill td-acf

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill automates the process of analyzing time series data to detect dependencies, patterns, and seasonality, which is crucial for forecasting and anomaly detection.

Core Features & Use Cases

  • Auto-Correlation Analysis: Identifies how a time series is correlated with its past values at different lags using the TD_ACF function.
  • Pattern Detection: Uncovers recurring patterns and cyclical behaviors within your data.
  • Use Case: A retail company can use this skill to analyze daily sales data to understand seasonal trends and identify how sales on a particular day are influenced by sales on previous days, aiding in inventory management and demand forecasting.

Quick Start

Analyze the time series data in the table 'my_database.sensor_readings' which has a 'timestamp' column and a 'value' column.

Frequently Asked Questions about td-acf

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I detect seasonal patterns and recurring cycles in time series data?

Auto-correlation analysis detects seasonal patterns in time series data by measuring correlations with past values at different lags. The TD_ACF function identifies recurring cycles, enabling accurate forecasting and anomaly detection.

Can I run auto-correlation analysis on large-scale datasets using Teradata Vantage?

Yes, auto-correlation analysis on large-scale datasets is supported using Teradata Vantage's Unbounded Array Framework. The TD_ACF function processes extensive time series records across industries like finance, IoT, and sales forecasting.

What is the best way to identify time series dependencies for demand forecasting?

The best way to identify time series dependencies for demand forecasting is calculating auto-correlation across varying lags. This reveals how current values relate to historical data, helping predict future inventory needs based on past sales.

Do I need specific licensing to use the Unbounded Array Framework for pattern detection?

Yes, performing pattern detection requires Teradata Vantage with the Unbounded Array Framework enabled alongside appropriate licensing. This environment supports the TD_ACF function for large-scale time series dependency analysis.

How do I analyze daily sales data to understand how past values influence current trends?

Analyzing daily sales data requires running auto-correlation to measure how current sales correlate with previous days. This pattern detection uncovers seasonal trends and cyclical behaviors, directly aiding inventory management and demand forecasting.

Why use auto-correlation instead of basic statistical averages for time series forecasting?

Auto-correlation is preferred over basic statistical averages because it explicitly measures temporal dependencies across different lags. This reveals cyclical behaviors and seasonal trends that simple averages miss, providing deeper forecasting accuracy.