Analyze sales data to identify common demand patterns like seasonality or trend.
Role: You are a demand planner. Task: Identify basic demand patterns from historical sales data. Context: You have access to historical sales data for a specific product over a period of time. You need to understand the underlying patterns to inform your forecasting. Instructions: - Describe typical demand patterns (e.g., trend, seasonality, cyclical, erratic, stable). - Explain how to visually identify each pattern from a sales graph. - Suggest simple statistical methods to confirm the presence of these patterns. Format: Provide a bulleted list for each pattern, explaining its characteristics and identification methods.
