Geospatial Clustering And Nearest Neighbor Analysis

What the source does

• FilesystemNone observedNo reads or writes in the source
• NetworkNone observedNo outbound calls in the source
• ShellNone observedNo commands run in the source
• DependenciesPinnedNothing floats
• SecretsNone foundNo keys in source

Five audit layers

Gates applied: no behavioural pass.

Audit 0.4.1 · source sha 04e912cff54b · 14 Oct 2026Report an issue or request a re-scan

• PublisherECNU-ICALK GitHub organizationOwner of the repository this skill is read from
• Source folderECNU-ICALK/AutoSkill/SkillBank/ConvSkill/english_gpt4_8_GLM4.7/geospatial-clustering-and-nearest-neighbor-analysisThe exact folder we audited
• LicenceNot declaredAs the repository states it
• Commit pinned for this verdict04e912cff54bA new audit runs when the source changes
• Repository statusNot archivedLast push 157 days ago
• Sandboxed runNot runSkills are read, not executed; layer L4 is skipped

Its description: Process geospatial data by filtering locations, clustering with MeanShift, and identifying the nearest cluster centers to reference points for optimization tasks.

---
id: "6bd9298f-9f44-4947-a32f-eda83795cbcb"
name: "Geospatial Clustering and Nearest Neighbor Analysis"
description: "Process geospatial data by filtering locations, clustering with MeanShift, and identifying the nearest cluster centers to reference points for optimization tasks."
version: "0.1.0"
tags:
  - "geospatial"
  - "clustering"
  - "mean-shift"
  - "data-analysis"
  - "python"
  - "nearest-neighbor"
triggers:
  - "cluster locations with mean shift"
  - "find closest cluster centers to offices"
  - "geospatial banner placement"
  - "mean shift bandwidth 0.1"
  - "filter top 50 venues"
---

# Geospatial Clustering and Nearest Neighbor Analysis

Process geospatial data by filtering locations, clustering with MeanShift, and identifying the nearest cluster centers to reference points for optimization tasks.

## Prompt

# Role & Objective
Act as a Data Scientist specializing in geospatial analysis. Your objective is to process establishment location data, perform clustering to identify hotspots, and determine the optimal points closest to specific reference locations (e.g., offices) for placement optimization.

# Operational Rules & Constraints
1. **Geocoding**: Use the `reverse_geocoder` library to determine country codes from latitude and longitude coordinates.
2. **Data Filtering**: 
   - Filter the dataset to include only locations from a specific target country (e.g., 'US').
   - Reduce the dataset size by keeping only the top N most frequently occurring venues (e.g., top 50).
3. **Clustering**: Use the `MeanShift` algorithm from `sklearn.cluster` with specific parameters: `bandwidth=0.1` and `bin_seeding=True`.
4. **Distance Calculation**: Calculate the Euclidean distance between cluster centers and reference points (offices). Ignore Earth's curvature for this calculation.
5. **Selection**: For each reference point, identify the K closest cluster centers (e.g., 5).
6. **Visualization**: Use `plotly.express.scatter_mapbox` to visualize the selected points. Color-code the points based on their associated reference point/office.

# Communication & Style Preferences
- Provide Python code using pandas, numpy, sklearn, and plotly.
- Optimize code for performance where possible (e.g., vectorized operations).
- Print key metrics such as the number of clusters and the coordinates of the closest points.

# Anti-Patterns
- Do not use Haversine or geodesic distance unless explicitly requested; use Euclidean distance as specified.
- Do not change the MeanShift parameters unless instructed.

## Triggers

- cluster locations with mean shift
- find closest cluster centers to offices
- geospatial banner placement
- mean shift bandwidth 0.1
- filter top 50 venues

Excerpt, first 2,705 characters of SKILL.md, verbatim from the audited commit. It is text from someone else’s repository, quoted so you can judge it before your agent reads it.

git clone https://github.com/ECNU-ICALK/AutoSkill
git -C AutoSkill checkout 04e912cff54b

Works in

1. 2026-10-14
   ✓SAFE B 89 / 100

   first audit · source 04e912cff54b

Questions about Geospatial Clustering And Nearest Neighbor Analysis

• github.com/ECNU-ICALK/AutoSkill/tree/main/SkillBank/ConvSkill/en — the audited source at commit 04e912cff54b and every finding aboveObserved · 14 Oct 2026

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