statistical-analysis

Apply descriptive statistics, trend analysis, outlier detection, and hypothesis testing to data using Python.

37|3|Updated Mar 1, 2026
One-click install
npx skills add https://github.com/eren726290/opencode-cowork-plugins --skill statistical-analysis-eren726290
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: statistical-analysis
Source: https://github.com/eren726290/opencode-cowork-plugins/tree/main/data/agents/data/skills/statistical-analysis
Command: npx skills add https://github.com/eren726290/opencode-cowork-plugins --skill statistical-analysis-eren726290

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill helps users understand their data by applying statistical methods to uncover trends, identify anomalies, and test hypotheses, enabling data-driven decision-making.

Core Features & Use Cases

  • Descriptive Statistics: Summarize data using measures of central tendency (mean, median, mode) and variability (standard deviation, IQR).
  • Trend Analysis: Identify patterns and seasonality in time-series data using moving averages and period-over-period comparisons.
  • Outlier Detection: Find unusual data points using statistical methods like Z-scores and IQR.
  • Hypothesis Testing: Determine if observed differences are statistically significant, crucial for A/B testing and segment comparisons.
  • Use Case: Analyze monthly sales data to identify growth trends, detect any unusual dips or spikes, and determine if a recent marketing campaign had a statistically significant impact on revenue.

Quick Start

Analyze the provided sales data to calculate the mean, median, and standard deviation for the 'revenue' column.

Frequently Asked Questions about statistical-analysis

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I calculate descriptive statistics like mean, median, and standard deviation for my dataset?

To calculate descriptive statistics, you can use Python to compute measures of central tendency and variability such as mean, median, mode, standard deviation, and IQR to summarize your data distribution.

How does hypothesis testing work for A/B testing and segment comparisons?

Hypothesis testing determines if observed differences in your A/B testing or segment comparisons are statistically significant. It applies statistical methods to evaluate whether variations in data distributions are meaningful or occurred by chance.

What is the best way to detect outliers using Z-scores and IQR?

The best way to detect outliers is by applying statistical methods like Z-scores and IQR. These techniques identify unusual data points that deviate significantly from the central distribution, enabling effective anomaly detection.

Can I identify trends and seasonality in time-series data?

Yes, you can identify trends and seasonality in time-series data. Trend analysis utilizes moving averages and period-over-period comparisons to uncover underlying patterns and seasonal fluctuations in your data.

Does this statistical analysis support cautious interpretation of statistical claims?

Yes, this statistical analysis supports cautious interpretation of statistical claims. It facilitates the analysis of distributions, significance testing, and correlation computation while ensuring results are interpreted carefully and accurately.

What are the limitations of using Python for statistical modeling and calculations?

Python statistical modeling requires accurate data inputs for reliable calculations. Users must ensure their datasets are properly formatted and understand the underlying assumptions of the applied statistical methods to avoid misinterpreting results.