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Outlier Point
|residual| > 2σ
Data Point
X
Actual Y
Predicted
Residual
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WORKFLOW
Data Input
Start here — upload an .xlsx, .xls, or .csv file, or drag it anywhere on the window. Then hit Auto-Analyze and we'll pick the best columns, fit the best model, and explain it for you.
Column Selection
Help & Tips
Welcome to QuantRegress!
Upload a spreadsheet using the button above, then select X and Y columns to run a regression.
Take the quick tour →  |  Open Glossary
Regression Model
STATISTICS
Fit Statistics
(fit)
P-Value (trust)
N Points
Show advanced stats
Model Insight
▲ collapse
📊 What this means in plain English
X-Predictor
Drag X to predict Y
ROI Calculator
Run regression to calculate ROI.
Break-Even Analysis
Axis Labels
Canvas Background
Pick custom background
Plot Style
Line
Marker
Chart Type
Label Font Size
12
Aspect Ratio
Display Options
Show Grid
Peak/Low Annotations
Highlight Outliers
95% CI Band
⚠ Run a regression first to display bands.
Show Uncertainty Bands
Annotation Mode
Diagnostic Plots
Residual Histogram
Focus Zone
Forecast
Extend curve beyond data
Export
Upload a spreadsheet to get started.
Then hit ✨ Auto-Analyze — we'll pick the best columns, fit the best model, and explain it in plain English.
Drop .xlsx / .xls / .csv anywhere on the window.
— OR PICK A TEMPLATE —
CLICK A POINT TO PIN LABEL
↻ Rotate to landscape for best experience
EXPORT
Drop to load data
.xlsx · .xls · .csv

📖 Statistics Glossary