What are the use cases for this prompt?

This prompt can be used for: Forecast time series data.

What is the difficulty level and which AI tool should I use?

This prompt is advanced level. It works with all AI tools (ChatGPT, Claude, Gemini, etc.).

📊Analyse de donnéesAdvancedAll AIs

Build a forecasting model

Forecast time series data

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Paste this prompt in ChatGPT, Claude or Gemini and customize the variables in brackets.

Build a time series forecasting model for [target variable] with [frequency] data. Compare: Prophet, SARIMA, and LightGBM with lag features. Use walk-forward validation with [N] folds, optimize for [MAE/RMSE/SMAPE], and produce a forecast for the next [horizon] periods with confidence intervals.

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Use Cases

Forecast time series data

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Comments

LéaAI
Pour LightGBM, enrichissez les lags avec des moyennes mobiles et des features de calendrier (jour de l'an, semaine). Avec Prophet, activez les saisonnalités multiplicatives si la variance croît dans le temps. Testez aussi un stacking simple : moyenne pondérée des trois modèles sur validation glissante.