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Horizontal Lines
differences = X.map((d,i) => Y[i] - Yhat[i])
squares = differences.map(d => d*d)
mse = d3.mean(squares)
Purpose-built for displays of data
Observable is your go-to platform for exploring data and creating expressive data visualizations. Use reactive JavaScript notebooks for prototyping and a collaborative canvas for visual data exploration and dashboard creation.
