Table 26 Sept 2026From “What is cohort analysis? A stable entry event before a retention curve”

How is cohort analysis different from a snapshot or experiment?

Table 2How is cohort analysis different from a snapshot or experiment?

Method or view	Comparison clock	Primary question	Boundary
Calendar snapshot	Calendar date	What is the current state?	Does not align units by entry age
Cohort analysis	Time since entry	How does an age-relative outcome develop?	Descriptive unless a causal design is added
Activation rate	Fixed window after entry	Which units reached a declared first-value event?	Does not measure later survival alone
Experiment	Assignment and follow-up window	What changed relative to a counterfactual?	Needs treatment, control, exposure, and estimand

Swipe or scroll horizontally if the table is wider than your screen.

Source: Table from this essay. Sources and interpretation are given in the article.

PNG4:3, 1600 × 1200, with the title, the source line and the attribution set in the image isoglu-2026-what-is-cohort-analysis-fig03.png

From the essay

Growth that compounds

What is cohort analysis? A stable entry event before a retention curve

Cohort analysis aligns units by a declared entry event and age. Define the cohort, outcome, maturity rule, and denominator before reading the curve.

6 Sept 2026

Read the essay

This exhibit belongs to an essay: the numbers live here, the argument lives there.

Cite or embed

APA 7

Isoglu, S. (2026). How is cohort analysis different from a snapshot or experiment? [Table]. isoglu.com. https://isoglu.com/insights/exhibits/isoglu-2026-what-is-cohort-analysis-fig03/

BibTeX

@misc{isoglu-2026-what-is-cohort-analysis-fig03,
  author = {Isoglu, Sinan},
  title = {{How is cohort analysis different from a snapshot or experiment?}},
  year = {2026},
  howpublished = {Table 2, isoglu.com},
  url = {https://isoglu.com/insights/exhibits/isoglu-2026-what-is-cohort-analysis-fig03/},
  note = {From the essay {What is cohort analysis? A stable entry event before a retention curve}}
}

Embed this exhibit

Copy this HTML to use the PNG exhibit on your site with its source line and a link back to the exhibit page.

<figure>
  <a href="https://isoglu.com/insights/exhibits/isoglu-2026-what-is-cohort-analysis-fig03/">
    <img src="https://isoglu.com/social/isoglu-2026-what-is-cohort-analysis-fig03.png" alt="Table 2: How is cohort analysis different from a snapshot or experiment?" width="3200" height="2400">
  </a>
  <figcaption>Table 2: How is cohort analysis different from a snapshot or experiment?. Source: Table from this essay. Sources and interpretation are given in the article. <a href="https://isoglu.com/insights/exhibits/isoglu-2026-what-is-cohort-analysis-fig03/">View exhibit</a>.</figcaption>
</figure>