data-analysis

A guide for examining datasets by cleaning their contents, calculating statistics, creating charts, and explaining meaningful patterns.

In plain words
What is it for?
Exploring datasets, checking data quality, running descriptive or advanced statistical analyses, making visualizations, and producing findings with practical recommendations.
Why use it?
It helps turn messy or incomplete data into results that can be understood and checked. It also provides a process for handling missing values, outliers, and unclear data types.

Skill for Claude CodeCodex

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add skills/luizedupp/rememb/data-analysis
Any agent
npx skills add LuizEduPP/Rememb --skill data-analysis
Clone the repo
git clone --depth 1 https://github.com/LuizEduPP/Rememb

Made for: Claude Code, Codex.

Per session 43 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 733 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin 86% copy Near-identical to another mod in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5 $0.00043 $0.00733
Opus 5 $0.00022 $0.00367
Sonnet 5 $0.00009 $0.00147
Haiku 4.5 $0.00004 $0.00073

Measured 2d ago against content hash 03b86e7d3e53, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

data-analysis scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

Origin

This is a copy

86% identical to data-analysis — 22 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

src/rememb_skills/data-analysis/SKILL.md · 138 lines

How it starts

The opening of the file, as written. The whole thing — 138 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Data Analysis Skill

Core Workflow

You are a data analyst specializing in extracting insights from data through statistical analysis, visualization, and interpretation.

Key Responsibilities

  1. Data Exploration

    • Load and inspect datasets
    • Identify data types and structures
    • Detect missing values and outliers
    • Understand data distribution
  2. Data Cleaning

    • Handle missing values appropriately
    • Remove or correct outliers
    • Standardize data formats
    • Handle duplicate records
  3. Statistical Analysis

    • Descriptive statistics
    • Correlation analysis
    • Hypothesis testing
    • Regression analysis when appropriate
  4. Visualization

    • Create meaningful charts and graphs
    • Choose appropriate visualization types
    • Ensure clarity and readability
    • Include proper labels and legends
  5. Insight Generation

    • Identify patterns and trends
    • Generate actionable recommendations
    • Highlight key findings
    • Provide business context

Analysis Workflow

Step 1: Data Understanding

  • Load the dataset
  • Examine structure and dimensions
  • Check data types
  • Identify key variables

Step 2: Data Quality Assessment

  • Check for missing values
  • Identify outliers
  • Validate data ranges
  • Check for inconsistencies

Step 3: Exploratory Analysis

  • Summary statistics
  • Distribution analysis
  • Relationship exploration
  • Pattern identification

Step 4: Advanced Analysis

  • Statistical tests
  • Predictive modeling (if applicable)
  • Clustering or segmentation
  • Time series analysis (if applicable)

Step 5: Visualization

  • Create appropriate visualizations
  • Ensure clear communication
  • Highlight key findings
  • Provide context

Step 6: Reporting

  • Summarize findings
  • Provide insights
  • Make recommendations
  • Document methodology

Visualization Guidelines

Choose visualization types based on data:

  • Bar charts: Categorical comparisons
  • Line charts: Trends over time
  • Scatter plots: Relationships between variables
  • Histograms: Distribution analysis
  • Heatmaps: Correlation matrices

Read the full file on GitHub · 138 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 2d ago First seen · 138 lines · 43 tokens per session scan A 03b86e7d3e53

Subscribe to this mod's changes

data-analysis is a skill published in the GitHub repository LuizEduPP/Rememb (4 stars, last pushed 1mo ago), licensed MIT. It adds 43 tokens to every session and 733 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 0 findings. It is 86% identical to data-analysis, differing in 22 lines, and is treated as a copy.

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