Data App

2026 Week 42 | Sigma Query Performance Optimizer – Deterministic Approach

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Introduction Welcome to Week 42 of 2026! You built a Sigma App that addressed a critical business process and could possibly replace a legacy SaaS solution, but the workbook takes forever to load due to complex transformations and workarounds in Sigma. This Sigma Workbook Query Performance Optimizer combines Sigma workbook metadata from API endpoints and […]

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2026 Week 38 | Sigma <> Snowflake Two-Way Object Level Lineage App

Sigma, Workout Wednesday /

Introduction Welcome to Week 38 of 2026! Have you: Share a workbook with a user but some workbook elements pop permission errors? Are about to sunset a table but not sure which Sigma object it references? Taking over someone’s dev work but not sure what data objects it references? This Sigma <> Snowflake Object Level

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Sigma, Workout Wednesday

2026 Week 34 | Sigma: Input Table Staging with Conditional Validation

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Introduction Welcome to Week 34 of 2026! Do you leverage Sigma Input Tables to produce critical data that supports downstream data marts, joins, or reporting that could be impacted by a breaking change? This example shows you how you may leverage multiple layers of Sigma Input Tables to create a staging area that checks values

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2026 Week 30 | Sigma: Workbook Data Prep AI Agent

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Introduction Welcome to Week 26 of 2026! Sigma Agent allows you to read, write, and execute actions natively within the workbook, data sources, and input tables. This challenge showcases how you may build last-mile data prep into a workbook with Sigma Agent.  The example setup requires a Linked Input Table to store output from Sigma

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Sigma, Workout Wednesday

2026 Week 19 | Sigma: AI Credit Risk Analysis

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Introduction This week’s challenge explores something entirely new for Sigma – calling an external AI API directly from a workbook action. Using Sigma’s API Connector and Action Sequences, you’ll build a Credit Risk Intelligence app that sends live loan data to Claude’s AI and displays a real-time risk explanation – all without leaving Sigma. Need Access

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2026 Week 07 | Sigma: Building a Custom Plugin with AI

Sigma, Workout Wednesday /

Introduction This week’s Workout Wednesday challenge was Numbers of Different Magnitudes, but the bigger lesson for me was this: You can build custom analytical experiences in Sigma using AI. For this submission, I used AI-assisted coding to create a custom Sigma plugin (React + D3) that goes beyond standard chart behavior. It combines a magnitude view

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Sigma, Workout Wednesday

2026 Week 03 | Sigma: Running Feedback Loop

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Introduction This week’s Workout Wednesday is about turning feedback into part of the workflow, not a side conversation. You’ll build a lightweight, in-workbook feedback loop in Sigma that lets stakeholders flag issues directly on tables and charts, with context intact. Instead of comments that disappear or Slack messages that pile up, feedback becomes structured, reviewable,

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2025 Week 50 | Sigma: Find the Leak with Hierarchies

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Say hi to hierarchies Introduction This week, we’re turning hierarchies into a decision tool. Using Sigma’s ragged hierarchies, hierarchy controls, and funnel charts, you’ll build a Campaign Leak Finder that pinpoints exactly where your funnel is breaking down. You’ll create a navigable tree from Lead through Campaign, wire it to a live funnel, and layer

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Sigma, Workout Wednesday

2025 Week 41 | Sigma: Can You Make an Interactive Forecasting Tool?

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Can you build an interactive forecasting app? Introduction This week, we’re turning forecasting into action. Using Sigma’s RegressionSlope() and RegressionIntercept() functions, you’ll build a live forecasting app that projects future outcomes—and adjusts in real time. No Excel exports. No FORECAST() formulas. Just your dataset, an input table, and a few calculated fields to model linear,

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Sigma, Workout Wednesday