example_stats

Compute descriptive statistics on plain Python number lists.

288|34|Updated Jul 6, 2026
One-click install
npx skills add https://github.com/PKU-YuanGroup/OpenAI4S --skill example-stats
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: example_stats
Source: https://github.com/PKU-YuanGroup/OpenAI4S/tree/main/skills/example_stats
Command: npx skills add https://github.com/PKU-YuanGroup/OpenAI4S --skill example-stats

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) components.

What problem does it solve?

This Skill simplifies the process of calculating descriptive statistics (mean, standard deviation, median, quantile, z-score normalization, and Pearson correlation) on plain Python number lists without relying on numpy or pandas.

Core Features & Use Cases

  • Summary Statistics: Generate a summary report of a dataset with mean, standard deviation, median, minimum, maximum, and more.
  • Quantiles: Compute any arbitrary quantile (0-1) from a dataset.
  • Normalization: Standardize values with z-score normalization.
  • Correlation: Calculate the Pearson correlation coefficient between two datasets.
  • Use Case: For a given dataset, quickly compute the mean and standard deviation to understand the central tendency and spread of the data.

Quick Start

Calculate the mean and standard deviation for a list of numbers: mean([4, 8, 15, 16, 23, 42])

Frequently Asked Questions about example_stats

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

FAQPage Schema
How do I calculate descriptive statistics on a Python list without numpy?

You can compute descriptive statistics directly on plain Python lists to get mean, standard deviation, median, and quantiles without requiring numpy or pandas as dependencies. This approach provides fast access to basic summary statistics for data analysis tasks.

Can I perform z-score normalization on a plain number list in Python?

Yes, you can perform z-score normalization on a plain Python number list to standardize your data values. This built-in functionality computes the standardized scores directly without needing external libraries like numpy or pandas for your data analysis workflow.

What is the best way to compute Pearson correlation between two Python lists?

The best way to compute the Pearson correlation coefficient is by using a lightweight Skill designed for plain Python lists. It calculates the correlation directly between two datasets without requiring heavy external dependencies like numpy or pandas.

Does this statistics tool work without installing pandas or numpy?

Yes, this statistics tool works entirely without installing pandas or numpy. It is specifically designed to handle summary statistics, quantiles, and z-score normalization on plain Python lists, making it ideal for environments with restricted dependencies.

How do I compute arbitrary quantiles for a dataset in pure Python?

You compute arbitrary quantiles for a dataset by passing a plain Python number list and a value between zero and one to the quantile function. It calculates any specific quantile directly without relying on numpy or pandas libraries.

When should I avoid using numpy for basic data analysis statistics?

You should avoid numpy for basic data analysis when you only need summary statistics, quantiles, or Pearson correlation on simple number lists. Using a pure Python approach eliminates unnecessary dependencies while still providing fast access to core descriptive statistics.