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US Agriculture Value Added vs US Forest Area
US Agriculture Value Added and US Forest Area correlate at r = -0.50 over 25 years (1997–2021), p = 0.010. With the time trend removed, r = +0.39. Direction flips without the trend.
Verdict: Direction flips without the trend. The raw correlation is -0.50, but once each series' time trend is removed it becomes 0.39. The year-to-year movements run the opposite way to the long-run trends, so the headline number is misleading.
- Pearson r
- -0.50
- p-value
- 0.010
- Years compared (n)
- 25 (1997–2021)
- 95% confidence interval
- -0.75 to -0.14
- Correlation with the time trend removed
- +0.39
Sources
- US Agriculture Value Added (% of GDP): World Bank. US Agriculture Value Added (World Bank indicator NV.AGR.TOTL.ZS).
- US Forest Area (% of land): World Bank. US Forest Area (World Bank indicator AG.LND.FRST.ZS).
Related pairs
- US Forest Area vs US Mobile Subscriptions (r = +0.98)
- US Forest Area vs US Resident Patent Applications (r = +0.97)
- US Adult Obesity vs US Forest Area (r = +0.97)
- US Forest Area vs US Population (r = +0.97)
- Atmospheric CO₂ (Mauna Loa) vs US Forest Area (r = +0.95)
- US Adolescent Birth Rate vs US Forest Area (r = -0.94)
Correlation does not imply causation. How the verdict is worked out.