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cohort-analysis-creator

Cohort Analysis Creator - Auto-activating skill for Data Analytics. Triggers on: cohort analysis creator, cohort analysis creator Part of the Data Analytics skill category.

34

1.00x

Quality

3%

Does it follow best practices?

Impact

87%

1.00x

Average score across 3 eval scenarios

SecuritybySnyk

Passed

No known issues

Optimize this skill with Tessl

npx tessl skill review --optimize ./planned-skills/generated/12-data-analytics/cohort-analysis-creator/SKILL.md
SKILL.md
Quality
Evals
Security

Evaluation results

74%

-10%

Customer Retention Cohort Study

SQL cohort retention analysis

Criteria
Without context
With context

SQL cohort query

100%

0%

Retention rate computation

100%

100%

Step-by-step structure

100%

90%

Cohort matrix output

100%

100%

Production-ready code

100%

100%

Statistical measures included

20%

20%

Output validation

0%

37%

Cohort definition documented

100%

100%

Business framing

100%

100%

Data handling correctness

100%

100%

Without context: $0.4623 · 1m 54s · 27 turns · 28 in / 6,128 out tokens

With context: $0.5389 · 2m 8s · 29 turns · 286 in / 7,398 out tokens

95%

3%

Cohort Retention Dashboard for Quarterly Review

Cohort visualization and BI insights

Criteria
Without context
With context

Visualization code present

100%

100%

Heatmap or matrix chart

100%

100%

BI insight statements

100%

100%

Production-ready code

100%

100%

Data validation step

20%

50%

Chart saved to file

100%

100%

Axis labels and title

100%

100%

Trend line or secondary chart

100%

100%

Stakeholder framing

100%

100%

Output summary file

100%

100%

Without context: $0.2864 · 1m 30s · 15 turns · 15 in / 4,853 out tokens

With context: $0.7137 · 2m 46s · 37 turns · 36 in / 9,807 out tokens

94%

9%

Mobile App Growth Cohort Analysis

Full cohort analytics workflow

Criteria
Without context
With context

SQL or pandas cohort query

80%

80%

Visualization produced

50%

100%

Statistical analysis included

90%

100%

Business intelligence report

100%

100%

Industry best practices structure

100%

100%

Production-ready script

100%

100%

Output validation

12%

50%

Retention metric computed

100%

100%

Cohort comparison

100%

100%

Actionable recommendations

100%

100%

Step documentation

100%

100%

Without context: $0.5488 · 3m 21s · 22 turns · 20 in / 9,756 out tokens

With context: $0.6590 · 3m 1s · 27 turns · 287 in / 11,332 out tokens

Repository
jeremylongshore/claude-code-plugins-plus-skills
Evaluated
Agent
Claude Code
Model
Claude Sonnet 4.6

Table of Contents

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