Call: lm(formula = y ~ x) Residuals: Min 1Q Median 3Q Max -0.26632 -0.01470 -0.00564 0.00239 0.23535 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) 0.0002957 0.0403641 0.007 0.994 xCaribbean 0.0609686 0.0451284 1.351 0.179 xCentral America 0.2291371 0.0457686 5.006 0.0000018257298 *** xCentral Asia 0.0383442 0.0521098 0.736 0.463 xEastern Africa 0.0083976 0.0431510 0.195 0.846 xEastern Asia 0.0334743 0.0494357 0.677 0.500 xEastern Europe 0.0207162 0.0446242 0.464 0.643 xMelanesia -0.0002852 0.0494357 -0.006 0.995 xMicronesia -0.0002564 0.0570835 -0.004 0.996 xMiddle Africa 0.0332207 0.0466085 0.713 0.477 xNA 0.0060148 0.0699127 0.086 0.932 xNorthern Africa 0.0344341 0.0494357 0.697 0.487 xNorthern America 0.0196235 0.0570835 0.344 0.732 xNorthern Europe 0.0070067 0.0442167 0.158 0.874 xPolynesia -0.0002872 0.0570835 -0.005 0.996 xSouth America 0.3314250 0.0457686 7.241 0.0000000000388 *** xSouth-Eastern Asia 0.0024313 0.0451284 0.054 0.957 xSouthern Africa -0.0002882 0.0521098 -0.006 0.996 xSouthern Asia -0.0002661 0.0466085 -0.006 0.995 xSouthern Europe 0.0241411 0.0435982 0.554 0.581 xWestern Africa 0.0151019 0.0431510 0.350 0.727 xWestern Asia 0.0136238 0.0433580 0.314 0.754 xWestern Europe 0.0166328 0.0451284 0.369 0.713 --- Signif. codes: 0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1 Residual standard error: 0.05708 on 126 degrees of freedom Multiple R-squared: 0.6973, Adjusted R-squared: 0.6445 F-statistic: 13.19 on 22 and 126 DF, p-value: < 0.00000000000000022