📊 Correlation matrix · dataset tool
client‑side Pearson correlation · no upload · instant matrix · CSV paste
✅in‑browser
✅CSV paste
✅numeric only
✅no server
Correlation matrix (Pearson)
⚡ pure javascript · private · instant
🔢 first row = headers ✓
📐 numeric columns only auto
⚡ pearson r rounded 3
🧮 client‑side
📊 square matrix
ⓘ paste comma/tab data — first column used as row index if you wish; all numeric columns included.
📋 Correlation matrix
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| ⬆️ paste data to generate matrix | |
🛡️ 100% private: correlation computed in your browser. Zero network calls.
no data leaves device
Why client‑side matrix?
Sensitive data stays in your browser. Paste CSV with headers, we extract numeric columns and compute Pearson r. Perfect for exploratory analysis without uploading.
✓ Pearson r (listwise)
✓ handles missing
✓ copy as text
🔢📐
symmetric matrix
rounded to 3 decimals
🔒 client‑side processing
No server · pure math
⚡ instant correlation