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Capstone: produce a reproducible decision analysis

Deliver calculations another person can repeat and inspect.

Visual lesson1:42

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Capstone: produce a reproducible decision analysis

Deliver calculations another person can repeat and inspect.

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Source-based teaching example · Fictional data · Reviewed 2026-10-03. Microsoft Mark · locally synthesized. On a small screen, use fullscreen for diagram details or read the transcript.

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0:00 · What you will learn

Deliver calculations another person can repeat and inspect.

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Deliver calculations another person can repeat and inspect.

0:06 · The idea

Keep original rows, validation decisions, formulas and results together. Explain missing records and unequal tasks. A polished chart cannot replace that evidence.

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Keep original rows, validation decisions, formulas and results together. Explain missing records and unequal tasks. A polished chart cannot replace that evidence.

0:21 · One useful term

Reproducible analysis. An analysis whose inputs, choices and calculations can be followed and repeated.

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An analysis whose inputs, choices and calculations can be followed and repeated.

0:32 · A worked example

The worked package traces source rows through validation to rates and a decision note. Missing duration stays missing. Unresolved records prevent a general comparison claim.

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The worked package traces source rows through validation to rates and a decision note. Missing duration stays missing. Unresolved records prevent a general comparison claim.

0:45 · Your turn to think

Does a smaller known subtotal prove overall savings when work is still missing? Pause and decide before continuing.

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Does a smaller known subtotal prove overall savings when work is still missing? Pause the video if you need more time.

1:04 · Why this answer works

No. State the incomplete coverage and unmatched workload. Keep exclusions and formulas inspectable.

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No. State the incomplete coverage and unmatched workload. Keep exclusions and formulas inspectable.

1:14 · Check 1

Preserve source rows and cleaning decisions.

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Preserve source rows and cleaning decisions.

1:19 · Check 2

Check formulas independently.

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Check formulas independently.

1:24 · Check 3

Limit conclusions to comparable known work.

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Limit conclusions to comparable known work.

1:30 · Now try a different case

Open the lesson and try its different practice case. Use every check in the full task. Watching alone does not mark the lesson complete.

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Open the lesson Try the new case Check and revise The full task and its requirements are in the linked lesson.

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