{
"test_name": "Durbin-Watson Test (Python - statsmodels)",
"dataset": "ToothGrowth",
"formula": "len ~ supp + dose",
"statistic": 1.571192989452736,
"p_value": null,
"passed": true,
"interpretation": "Possible positive autocorrelation",
"description": "Tests for autocorrelation in residuals. Values near 2 indicate no autocorrelation, values near 0 suggest positive autocorrelation, and values near 4 suggest negative autocorrelation. Uses statsmodels.stats.stattools.durbin_watson."
}