Isaac Turner

Measurement Editor

Isaac writes about experimentation, cohort quality, incrementality, and the practical limits of attribution. He is interested in decision systems that remain useful when the data is incomplete.

More articles from isaac-turner

DeNA: define a player before reconciling the acquisition report

measurement

media buying

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2 min read

DeNA: define a player before reconciling the acquisition report

BitMango: measure data completeness before shortening the optimisation cycle

measurement

media buying

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2 min read

BitMango: measure data completeness before shortening the optimisation cycle

Weight cohort retention by installs rather than by row count

measurement

media buying

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2 min read

Weight cohort retention by installs rather than by row count

Check an experiment’s assignment counts before reading its uplift

measurement

media buying

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2 min read

Check an experiment’s assignment counts before reading its uplift

Put a Wilson interval beside a small retention estimate

measurement

media buying

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2 min read

Put a Wilson interval beside a small retention estimate

Show how a UTC event crosses a reporting-day boundary

measurement

media buying

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2 min read

Show how a UTC event crosses a reporting-day boundary

Reconcile gross purchases and refunds without moving the cohort

measurement

media buying

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2 min read

Reconcile gross purchases and refunds without moving the cohort

Find repeated purchase records before reporting revenue

measurement

media buying

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2 min read

Find repeated purchase records before reporting revenue

Separate payer concentration from average revenue per payer

measurement

media buying

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2 min read

Separate payer concentration from average revenue per payer

Hold segment weights fixed when a blended retention rate moves

measurement

media buying

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2 min read

Hold segment weights fixed when a blended retention rate moves

Bound a conversion share when some outcomes are unknown

measurement

media buying

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2 min read

Bound a conversion share when some outcomes are unknown

Remove immature installs from a D7 retention denominator

measurement

media buying

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2 min read

Remove immature installs from a D7 retention denominator