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US Agriculture Value Added vs US Resident Patent Applications

US Agriculture Value Added and US Resident Patent Applications correlate at r = -0.53 over 25 years (1997–2021), p = 0.0070. With the time trend removed, r = +0.21. Holds up after detrending.

Verdict: Holds up after detrending. Statistically significant (p = 0.0070) and the association survives trend removal (detrended r = 0.21). Correlation still isn't causation, but this one isn't an obvious artifact.

Pearson r
-0.53
p-value
0.0070
Years compared (n)
25 (1997–2021)
95% confidence interval
-0.76 to -0.16
Correlation with the time trend removed
+0.21

Sources

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