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US Homicide Rate vs US Wind Power Generation

US Homicide Rate and US Wind Power Generation correlate at r = -0.39 over 31 years (1990–2023), p = 0.031. With the time trend removed, r = +0.87. Direction flips without the trend.

Verdict: Direction flips without the trend. The raw correlation is -0.39, but once each series' time trend is removed it becomes 0.87. The year-to-year movements run the opposite way to the long-run trends, so the headline number is misleading.

Pearson r
-0.39
p-value
0.031
Years compared (n)
31 (1990–2023)
95% confidence interval
-0.65 to -0.04
Correlation with the time trend removed
+0.87

Sources

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