Linear Regression Demo – PyScript + Plotly

Model Controls

Noise level (σ): 2.0

Number of points: 50

Model Metrics

Coefficient (slope)

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Intercept

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R² score

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Samples (n)

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True model

True function:

y = 2·x + 1 + ε

Estimated model:

ŷ = a·x + b

Compare (a, b) with (2, 1) and see how noise & number of points affect R².