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Statistical analysis and quantitative modeling problems
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Difficulty: Easy
Category: statistical_analysis
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Topics: durbin_watson, autocorrelation, residuals, regression, statistical_analysis
The Durbin-Watson statistic is a standard diagnostic for first-order serial autocorrelation in regression residuals. In quantitative finance, it is crucial for validating time-series models, as autocorrelation can invalidate standard error estimates and statistical tests. A value near 2 indicates no autocorrelation, while values approaching 0 or 4 suggest positive or negative autocorrelation, respectively. Task Implement the function durbin_watson(residuals: list) -> float to compute the Durbin
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