Time-Series Forecasting Code with Sound Temporal Validation
This is a ready-made prompt from the Zayenha Prompt library in Programming & Tech, written for claude-sonnet-4-7. It has a main prompt to copy into the model, built-in quality guards, and a verification prompt to run in a second window to review the answer. The full text needs the Plus plan; the description is open to all.
Write a time-series forecasting pipeline handling seasonality, trend, and gaps, with sound temporal validation free of future leakage and correct-metric evaluation, without inventing functions.
Your current plan: free
Building a demand-forecasting model for inventory management, predicting electricity consumption or visitor traffic, preparing a monthly sales forecast with uncertainty intervals for financial planning.
Built-in quality guards
No fabricated functions/models or claimed unmeasured accuracy or unproven superiority
Respect PDPL for individuals' data and avoid printing sensitive values
Cover diagnosis, preprocessing, model, validation, and evaluation without truncation
Adherence to the six-section structure and baseline-comparison table
Frequently asked questions
How do I use this prompt?
Copy the main prompt and paste it into claude-sonnet-4-7 or the model you use, replace what is in square brackets with your details, then run the verification prompt in a second window with the answer pasted in, and review it before relying on it.
Is this prompt free?
Its full text requires the Plus plan or higher. Free prompts you can copy at once without an account are on the ready-made Arabic prompts page.
Which model was this prompt written for?
It was written for claude-sonnet-4-7 and follows how that model works; you can run it on other models too, reviewing the result, since no single wording guarantees the best result on every model.