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Overview

About Data Analyst Copilot Library

If you’re tired of AI hallucinating function names when you ask for an Excel formula or a Snowflake query, this pack is your reality check. It’s 129 prompts for analysts who ship real work in Excel 365, Google Sheets, SQL warehouses, and Python notebooks — and need the output to actually work the first time. Every prompt specifies the tool, the data shape, the deliverable, and the validation step. Every code-generating prompt tells the model to declare assumptions, validate against the schema you provide, and flag if a function is deprecated.

This is the pack you reach for when you need a working LAMBDA, a Snowflake MERGE, a pandera-checked pandas pipeline, or a DCF model with sensitivity — and you need it now. The ten categories cover Excel 365, VBA + Office Scripts, Google Sheets, data cleaning, SQL, statistical analysis, financial modeling, visualization, Python for analysts, and dashboard design.

License & Delivery

Instant & secure delivery

Every product is delivered instantly. Following purchase, you receive an immediate redirection to a secure page with download links for your files, templates, or prompt libraries. The links are also sent to your email address and stay active permanently.

You can customize, duplicate, modify, and implement all assets in both personal and commercial projects without any attribution or additional fees.

Read the license FAQ

One price, no surprises

$29

per product · lifetime use

  • Instant download · secure links
  • Fault-free replacement
  • Full commercial use license
  • 24-hour email support
Data Analyst Copilot Library — FAQ

Questions specific to this product.

Do I still need to validate the output before using it?
Every code-generating prompt tells the model to declare its assumptions, validate against your data shape, and flag any deprecated function. That reduces the failure rate but does not eliminate it. Run every output against a known-good dataset before trusting it on production data.
Which model is best for which type of analysis?
Claude Sonnet 4.5 for SQL and window functions. GPT-5 for Excel 365 formulas, LAMBDA chains, and Office Scripts. Gemini 2.5 Pro for Python notebooks, pandas 3, and polars 1.x. DeepSeek V3.2 for cheaper structured output at scale.
Does this cover Power BI, Looker, and Tableau?
Yes. Category 10 covers dashboard design — Power BI DAX measures, Looker LookML, Tableau calculated fields, and Mode reports. Each prompt specifies the platform and expected output format.
Can I use the generated formulas and models in client deliverables?
Yes. Use the formulas, queries, models, and dashboards in your own reports, client work, internal BI, and production data pipelines. No attribution required.
What happens if a prompt references a deprecated function?
The prompt explicitly instructs the model to check for deprecation and flag it. If the model still outputs a deprecated function, that is a model-level issue — paste the error back and the model will correct itself.
Data Analyst Copilot Library — reviews

What people are saying.

Curated reviews from real premium customers. Each one is verified against the order record before publication.

  1. Most prompt packs give you a generic "write a SQL query." This one tells the model to validate against your schema and flag deprecated functions. The Excel LAMBDA prompts and Snowflake MERGE prompts are exactly what I've been looking for. Haven't had a hallucinated function name in three weeks of daily use across Excel 365, Snowflake, and pandas 3. That's never happened with any other prompt pack.

    Thomas Mueller · Senior Financial Analyst · Apr 22, 2026 Verified buyer
Data Analyst Copilot Library — changelog

Every release, with what changed.

  1. v1.0.0 Jul 1, 2026

    Initial public release. 129 prompts for Excel 365, Google Sheets, SQL warehouses, Python notebooks, and financial models.

See the full changelog
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Buy once, use forever

Buy Data Analyst Copilot Library — one payment, lifetime use.

Personal and commercial use included. Unlimited projects, no attribution required. You may not resell or redistribute the pack itself.

Add to cart · $29 Read the license FAQ