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US Milk Consumption per Person vs US Resident Patent Applications

US Milk Consumption per Person and US Resident Patent Applications correlate at r = -0.64 over 42 years (1980–2021), p < 0.0001. With the time trend removed, r = -0.38. Holds up after detrending.

Verdict: Holds up after detrending. Statistically significant (p = < 0.0001) and the association survives trend removal (detrended r = -0.38). Correlation still isn't causation, but this one isn't an obvious artifact.

Pearson r
-0.64
p-value
< 0.0001
Years compared (n)
42 (1980–2021)
95% confidence interval
-0.79 to -0.42
Correlation with the time trend removed
-0.38

Sources

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Correlation does not imply causation. How the verdict is worked out.