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US Dollar to Japanese Yen vs US Renewable Energy Share

US Dollar to Japanese Yen and US Renewable Energy Share correlate at r = +0.38 over 27 years (1999–2025), p = 0.048. With the time trend removed, r = +0.22. Holds up after detrending.

Verdict: Holds up after detrending. Statistically significant (p = 0.048) and the association survives trend removal (detrended r = 0.22). Correlation still isn't causation, but this one isn't an obvious artifact.

Pearson r
+0.38
p-value
0.048
Years compared (n)
27 (1999–2025)
95% confidence interval
0.01 to 0.67
Correlation with the time trend removed
+0.22

Sources

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