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Interactive Regression Lab
Data generated in the browser. Regression computed by smallR. D3 renders the plot. No server.
Estimated slope
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Estimated intercept
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R²
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Console
R code (editable)
Edit the code, then click Run smallR or press Ctrl+Enter.
Hover points to see actual vs predicted.
Statistics & Vector Operations
Explore R's vector operations, statistical functions, and NA handling — with live visualization.
R code (editable)
Data Frame Operations
Create and manipulate data frames with R-like syntax.
R code (editable)
Strings & Functional Programming
String manipulation, pipes, %in%, apply family, and more.
R code (editable)
Time Series Analysis
Generate and analyze time series data with moving averages.