correlation-analyzer

Correlation Analyzer - Auto-activating skill for Data Analytics. Triggers on: correlation analyzer, correlation analyzer Part of the Data Analytics skill category.

0.92x

Quality

Does it follow best practices?

Impact

72%

0.92x

Average score across 3 eval scenarios

Securityby

Passed

No known issues

Optimize this skill with Tessl

npx tessl skill review --optimize ./planned-skills/generated/12-data-analytics/correlation-analyzer/SKILL.md

Evaluation results

69%

-6%

Sales KPI Correlation Analyzer

Step-by-step statistical correlation analysis

Criteria

Without context

With context

Numbered workflow steps

100%

80%

Correlation method selection

16%

25%

P-value / significance check

100%

Missing data handling

60%

20%

Modular / reusable functions

100%

Error handling present

Result interpretation

100%

Inline code documentation

62%

75%

Output written to file

100%

Does NOT use manual loops for correlation

100%

80%

Without context: $0.4736 · 2m 5s · 26 turns · 74 in / 7,023 out tokens

With context: $0.6937 · 2m 39s · 32 turns · 65 in / 8,725 out tokens

77%

-12%

Customer Behaviour Correlation Analysis in SQL

SQL correlation queries and BI best practices

Criteria

Without context

With context

Sequential analysis steps

100%

Appropriate SQL correlation technique

100%

NULL / missing-value handling in SQL

50%

CTEs or modular query structure

100%

70%

Result interpretation criteria

100%

Output validation step

40%

Business context interpretation

100%

SQL inline comments / documentation

100%

Does NOT use a cursor or row-by-row loop

100%

Without context: $0.3827 · 2m 7s · 15 turns · 16 in / 8,068 out tokens

With context: $0.5319 · 2m 26s · 23 turns · 21 in / 9,270 out tokens

70%

Marketing Campaign Performance Correlation Dashboard

Correlation visualization and production-ready reporting

Criteria

Without context

With context

Structured workflow documentation

80%

Heatmap or matrix visualization

100%

Scatter plot for top correlation

100%

75%

Statistical significance reported

100%

Distribution / normality check

20%

Method justified by data

BI narrative summary

100%

Modular code structure

Output files listed

100%

Correct axis labels / titles on charts

100%

Does NOT leave large intermediate files

100%

Without context: $0.3566 · 1m 51s · 17 turns · 59 in / 7,026 out tokens

With context: $0.6300 · 2m 26s · 33 turns · 65 in / 8,244 out tokens

Repository: jeremylongshore/claude-code-plugins-plus-skills
Commit: 0c08951

Evaluated: 17 days ago
Agent: Claude Code
Model: Claude Sonnet 4.6

Table of Contents

Sales KPI Correlation Analyzer Customer Behaviour Correlation Analysis in SQL Marketing Campaign Performance Correlation Dashboard

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