EST AFRICA

*** Linear Model ***

Call: lm(formula = LXfod ~ LTDF + LGDP.POP, data = AfrESTregreg, na.action =

na.exclude)

Residuals:

Min 1Q Median 3Q Max

-0.117 -0.0578 -0.01051 0.05251 0.1032

Coefficients:

Value Std. Error t value Pr(>|t|)

(Intercept) 14.5213 0.5259 27.6131 0.0000

LTDF -0.6237 0.1590 -3.9227 0.0044

LGDP.POP 0.6383 0.1856 3.4394 0.0088

Residual standard error: 0.08029 on 8 degrees of freedom

Multiple R-Squared: 0.6945

F-statistic: 9.092 on 2 and 8 degrees of freedom, the p-value is 0.008715

*** Linear Model ***

Call: lm(formula = LXfod ~ LGDP.POP + LPPP, data = AfrESTregreg, na.action =

na.exclude)

Residuals:

Min 1Q Median 3Q Max

-0.1179 -0.06649 -0.01227 0.07387 0.1174

Coefficients:

Value Std. Error t value Pr(>|t|)

(Intercept) 14.0443 0.5716 24.5689 0.0000

LGDP.POP 0.9342 0.2832 3.2983 0.0109

LPPP -0.5098 0.1645 -3.0989 0.0147

Residual standard error: 0.09255 on 8 degrees of freedom

Multiple R-Squared: 0.5941

F-statistic: 5.854 on 2 and 8 degrees of freedom, the p-value is 0.02715

*** Linear Model ***

Call: lm(formula = LXfod ~ LTDF + LGDP.POP, data = AfrESTregreg, na.action =

na.exclude)

Residuals:

Min 1Q Median 3Q Max

-0.117 -0.0578 -0.01051 0.05251 0.1032

Coefficients:

Value Std. Error t value Pr(>|t|)

(Intercept) 14.5213 0.5259 27.6131 0.0000

LTDF -0.6237 0.1590 -3.9227 0.0044

LGDP.POP 0.6383 0.1856 3.4394 0.0088

Residual standard error: 0.08029 on 8 degrees of freedom

Multiple R-Squared: 0.6945

F-statistic: 9.092 on 2 and 8 degrees of freedom, the p-value is 0.008715

*** Linear Model ***

Call: lm(formula = LXar ~ LTDF + LGDP.POP, data = AfrESTregreg, na.action =

na.exclude)

Residuals:

Min 1Q Median 3Q Max

-0.1381 -0.03695 0.004418 0.03997 0.1553

Coefficients:

Value Std. Error t value Pr(>|t|)

(Intercept) 8.3991 0.5936 14.1487 0.0000

LTDF 0.4027 0.1795 2.2438 0.0551

LGDP.POP 1.0130 0.2095 4.8351 0.0013

Residual standard error: 0.09063 on 8 degrees of freedom

Multiple R-Squared: 0.8697

F-statistic: 26.69 on 2 and 8 degrees of freedom, the p-value is 0.0002886

*** Linear Model ***

Call: lm(formula = LXar ~ LGDP.POP + LTOTAFR, data = AfrESTregreg, na.action =

na.exclude)

Residuals:

Min 1Q Median 3Q Max

-0.1511 -0.03151 0.009028 0.05191 0.1532

Coefficients:

Value Std. Error t value Pr(>|t|)

(Intercept) 6.2360 1.4662 4.2531 0.0028

LGDP.POP 0.7006 0.3386 2.0688 0.0724

LTOTAFR 0.9434 0.4801 1.9649 0.0850

Residual standard error: 0.09501 on 8 degrees of freedom

Multiple R-Squared: 0.8568

F-statistic: 23.93 on 2 and 8 degrees of freedom, the p-value is 0.000421

*** Linear Model ***

Call: lm(formula = LXar ~ LGDP.POP + LPPP, data = AfrESTregreg, na.action =

na.exclude)

Residuals:

Min 1Q Median 3Q Max

-0.08583 -0.03142 0.009137 0.01714 0.1339

Coefficients:

Value Std. Error t value Pr(>|t|)

(Intercept) 8.6241 0.3940 21.8906 0.0000

LGDP.POP 0.6176 0.1952 3.1637 0.0133

LPPP 0.4853 0.1134 4.2802 0.0027

Residual standard error: 0.06378 on 8 degrees of freedom

Multiple R-Squared: 0.9354

F-statistic: 57.97 on 2 and 8 degrees of freedom, the p-value is 0.00001736


Africa Centrale

*** Linear Model ***

Call: lm(formula = LXfod ~ LTDF + LGDP.POP, data = afrMEADregreg, na.action =

na.exclude)

Residuals:

Min 1Q Median 3Q Max

-0.4556 -0.02238 0.007626 0.08322 0.2676

Coefficients:

Value Std. Error t value Pr(>|t|)

(Intercept) 13.2540 1.3379 9.9069 0.0000

LTDF -0.8620 0.4045 -2.1310 0.0657

LGDP.POP 0.7654 0.4722 1.6210 0.1437

Residual standard error: 0.2043 on 8 degrees of freedom

Multiple R-Squared: 0.3811

F-statistic: 2.463 on 2 and 8 degrees of freedom, the p-value is 0.1467

*** Linear Model ***

Call: lm(formula = LXfod ~ LNTL, data = afrMEADregreg, na.action = na.exclude)

Residuals:

Min 1Q Median 3Q Max

-0.3164 -0.1088 -0.02726 0.1164 0.3296

Coefficients:

Value Std. Error t value Pr(>|t|)

(Intercept) 17.8419 2.2192 8.0398 0.0000

LNTL -0.6162 0.2819 -2.1858 0.0566

Residual standard error: 0.1978 on 9 degrees of freedom

Multiple R-Squared: 0.3468

F-statistic: 4.778 on 1 and 9 degrees of freedom, the p-value is 0.05664

*** Linear Model ***

Call: lm(formula = LXfod ~ LNTL + LGDP.POP + LPPP, data = afrMEADregreg, na.action

= na.exclude)

Residuals:

Min 1Q Median 3Q Max

-0.1834 -0.09516 -0.02887 0.0982 0.1705

Coefficients:

Value Std. Error t value Pr(>|t|)

(Intercept) 17.6437 2.4172 7.2992 0.0002

LNTL -0.5131 0.2339 -2.1938 0.0643

LGDP.POP 1.0079 0.4913 2.0517 0.0793

LPPP -0.8147 0.2629 -3.0994 0.0173

Residual standard error: 0.1447 on 7 degrees of freedom

Multiple R-Squared: 0.7282

F-statistic: 6.252 on 3 and 7 degrees of freedom, the p-value is 0.02163


*** Linear Model ***

Call: lm(formula = LXfod ~ LGDP.POP + LPPP, data = afrMEADregreg, na.action =

na.exclude)

Residuals:

Min 1Q Median 3Q Max

-0.3999 -0.0368 0.01855 0.1046 0.1508

Coefficients:

Value Std. Error t value Pr(>|t|)

(Intercept) 12.7166 1.0861 11.7085 0.0000

LGDP.POP 1.4742 0.5382 2.7394 0.0255

LPPP -0.9337 0.3126 -2.9870 0.0174

Residual standard error: 0.1758 on 8 degrees of freedom

Multiple R-Squared: 0.5413

F-statistic: 4.721 on 2 and 8 degrees of freedom, the p-value is 0.04425

*** Linear Model ***

Call: lm(formula = LXar ~ LTDF + LGDP.POP, data = afrMEADregreg, na.action =

na.exclude)

Residuals:

Min 1Q Median 3Q Max

-0.2105 -0.0439 -0.02841 0.08664 0.1449

Coefficients:

Value Std. Error t value Pr(>|t|)

(Intercept) 12.2096 0.8133 15.0121 0.0000

LTDF -0.5292 0.2459 -2.1519 0.0636

LGDP.POP 0.8827 0.2870 3.0751 0.0152

Residual standard error: 0.1242 on 8 degrees of freedom

Multiple R-Squared: 0.5535

F-statistic: 4.958 on 2 and 8 degrees of freedom, the p-value is 0.03976


NORD AFRICA

*** Linear Model ***

Call: lm(formula = LXfod ~ LNTL + LGDP.POP + LTOTAFR, data = afrNORDregreg,

na.action = na.exclude)

Residuals:

Min 1Q Median 3Q Max

-0.08673 -0.01959 0.01297 0.02736 0.05451

Coefficients:

Value Std. Error t value Pr(>|t|)

(Intercept) 7.9382 1.0678 7.4340 0.0001

LNTL 0.1246 0.0809 1.5405 0.1673

LGDP.POP 1.1631 0.1920 6.0588 0.0005

LTOTAFR 0.3973 0.2584 1.5373 0.1681

Residual standard error: 0.05094 on 7 degrees of freedom

Multiple R-Squared: 0.9616

F-statistic: 58.38 on 3 and 7 degrees of freedom, the p-value is 0.00002553

*** Linear Model ***

Call: lm(formula = LXfod ~ LTDF + LGDP.POP + LPPP, data = afrNORDregreg, na.action

= na.exclude)

Residuals:

Min 1Q Median 3Q Max

-0.06592 -0.02603 0.01336 0.0305 0.04428

Coefficients:

Value Std. Error t value Pr(>|t|)

(Intercept) 10.5617 0.3242 32.5743 0.0000

LTDF -0.4382 0.1794 -2.4430 0.0446

LGDP.POP 1.0191 0.1619 6.2965 0.0004

LPPP 0.4294 0.1610 2.6669 0.0321

Residual standard error: 0.04719 on 7 degrees of freedom

Multiple R-Squared: 0.967

F-statistic: 68.43 on 3 and 7 degrees of freedom, the p-value is 0.00001496

*** Linear Model ***

Call: lm(formula = LXar ~ LTOTAFR, data = afrNORDregreg, na.action = na.exclude)

Residuals:

Min 1Q Median 3Q Max

-0.3315 -0.06986 0.02942 0.05972 0.2619

Coefficients:

Value Std. Error t value Pr(>|t|)

(Intercept) 5.0300 2.0974 2.3982 0.0400

LTOTAFR 1.6320 0.4558 3.5803 0.0059

Residual standard error: 0.1617 on 9 degrees of freedom

Multiple R-Squared: 0.5875

F-statistic: 12.82 on 1 and 9 degrees of freedom, the p-value is 0.005928


*** Linear Model ***

Call: lm(formula = LXar ~ LGDP.POP, data = afrNORDregreg, na.action = na.exclude)

Residuals:

Min 1Q Median 3Q Max

-0.3612 -0.03978 -0.009312 0.06851 0.2533

Coefficients:

Value Std. Error t value Pr(>|t|)

(Intercept) 9.0102 0.9882 9.1180 0.0000

LGDP.POP 1.1503 0.3219 3.5738 0.0060

Residual standard error: 0.1619 on 9 degrees of freedom

Multiple R-Squared: 0.5866

F-statistic: 12.77 on 1 and 9 degrees of freedom, the p-value is 0.005988


AFRICA TOTALE

*** Linear Model ***

Call: lm(formula = LXfod ~ LNTL + LGDP.POP, data = afrregreg, na.action = na.exclude

)

Residuals:

Min 1Q Median 3Q Max

-0.1151 -0.008557 0.002383 0.01514 0.09466

Coefficients:

Value Std. Error t value Pr(>|t|)

(Intercept) 14.8186 0.9580 15.4677 0.0000

LNTL -0.1990 0.0916 -2.1739 0.0614

LGDP.POP 0.8630 0.1277 6.7555 0.0001

Residual standard error: 0.05789 on 8 degrees of freedom

Multiple R-Squared: 0.9067

F-statistic: 38.87 on 2 and 8 degrees of freedom, the p-value is 0.00007576

*** Linear Model ***

Call: lm(formula = LXfod ~ LNTL + LGDP.POP, data = afrregreg, na.action = na.exclude

)

Residuals:

Min 1Q Median 3Q Max

-0.1151 -0.008557 0.002383 0.01514 0.09466

Coefficients:

Value Std. Error t value Pr(>|t|)

(Intercept) 14.8186 0.9580 15.4677 0.0000

LNTL -0.1990 0.0916 -2.1739 0.0614

LGDP.POP 0.8630 0.1277 6.7555 0.0001

Residual standard error: 0.05789 on 8 degrees of freedom

Multiple R-Squared: 0.9067

F-statistic: 38.87 on 2 and 8 degrees of freedom, the p-value is 0.00007576

CON AGRICOLTURA IL MODELLO NON FUNZIONA


Africa SUD

*** Linear Model ***

Call: lm(formula = LXfod ~ LTDF + LGDP.POP, data = afrSUDregreg, na.action =

na.exclude)

Residuals:

Min 1Q Median 3Q Max

-0.08533 -0.04508 0.0006193 0.01971 0.1211

Coefficients:

Value Std. Error t value Pr(>|t|)

(Intercept) 7.6478 0.4878 15.6785 0.0000

LTDF 0.9233 0.1475 6.2603 0.0002

LGDP.POP 1.1665 0.1722 6.7758 0.0001

Residual standard error: 0.07448 on 8 degrees of freedom

Multiple R-Squared: 0.9559

F-statistic: 86.78 on 2 and 8 degrees of freedom, the p-value is 3.769e-006

*** Linear Model ***

Call: lm(formula = LXfod ~ LGDP.POP + LTOTAFR, data = afrSUDregreg, na.action =

na.exclude)

Residuals:

Min 1Q Median 3Q Max

-0.206 -0.1085 0.04711 0.0972 0.1526

Coefficients:

Value Std. Error t value Pr(>|t|)

(Intercept) 4.6287 2.2953 2.0166 0.0785

LGDP.POP 0.8551 0.5301 1.6130 0.1454

LTOTAFR 1.4712 0.7516 1.9575 0.0860

Residual standard error: 0.1487 on 8 degrees of freedom

Multiple R-Squared: 0.8243

F-statistic: 18.76 on 2 and 8 degrees of freedom, the p-value is 0.0009538

*** Linear Model ***

Call: lm(formula = LXfod ~ LTDF + LGDP.POP + LPPP, data = afrSUDregreg, na.action =

na.exclude)

Residuals:

Min 1Q Median 3Q Max

-0.07542 -0.03794 0.0006242 0.04023 0.06817

Coefficients:

Value Std. Error t value Pr(>|t|)

(Intercept) 7.9466 0.3996 19.8841 0.0000

LTDF 0.4565 0.2211 2.0649 0.0778

LGDP.POP 0.8019 0.1995 4.0196 0.0051

LPPP 0.4908 0.1985 2.4732 0.0426

Residual standard error: 0.05816 on 7 degrees of freedom

Multiple R-Squared: 0.9765

F-statistic: 96.9 on 3 and 7 degrees of freedom, the p-value is 4.599e-006

*** Linear Model ***

Call: lm(formula = LXfod ~ LGDP.POP + LPPP, data = afrSUDregreg, na.action =

na.exclude)

Residuals:

Min 1Q Median 3Q Max

-0.09187 -0.04888 0.001029 0.05052 0.08224

Coefficients:

Value Std. Error t value Pr(>|t|)

(Intercept) 8.3082 0.4263 19.4904 0.0000

LGDP.POP 0.6159 0.2112 2.9160 0.0194

LPPP 0.8406 0.1227 6.8524 0.0001

Residual standard error: 0.06901 on 8 degrees of freedom

Multiple R-Squared: 0.9622

F-statistic: 101.7 on 2 and 8 degrees of freedom, the p-value is 2.049e-006

*** Linear Model ***

Call: lm(formula = LXar ~ LGDP.POP, data = afrSUDregreg, na.action = na.exclude)

Residuals:

Min 1Q Median 3Q Max

-0.118 -0.0635 -0.009752 0.01414 0.287

Coefficients:

Value Std. Error t value Pr(>|t|)

(Intercept) 11.6407 0.7015 16.5936 0.0000

LGDP.POP 0.4024 0.2285 1.7612 0.1120

Residual standard error: 0.1149 on 9 degrees of freedom

Multiple R-Squared: 0.2563

F-statistic: 3.102 on 1 and 9 degrees of freedom, the p-value is 0.112


AFRICA WEST

*** Linear Model ***

Call: lm(formula = LXfod ~ LNTL + LGDP.POP + LTOTAFR, data = afrWESTregreg,

na.action = na.exclude)

Residuals:

Min 1Q Median 3Q Max

-0.166 -0.05451 -0.009971 0.06836 0.1688

Coefficients:

Value Std. Error t value Pr(>|t|)

(Intercept) 18.6469 2.4983 7.4638 0.0001

LNTL -0.3730 0.1892 -1.9708 0.0894

LGDP.POP 1.1397 0.4491 2.5375 0.0388

LTOTAFR -0.9578 0.6046 -1.5842 0.1572

Residual standard error: 0.1192 on 7 degrees of freedom

Multiple R-Squared: 0.7259

F-statistic: 6.178 on 3 and 7 degrees of freedom, the p-value is 0.02227

*** Linear Model ***

Call: lm(formula = LXfod ~ LNTL + LGDP.POP, data = afrWESTregreg, na.action =

na.exclude)

Residuals:

Min 1Q Median 3Q Max

-0.2273 -0.05676 -0.01276 0.09207 0.1358

Coefficients:

Value Std. Error t value Pr(>|t|)

(Intercept) 16.2178 2.1505 7.5415 0.0001

LNTL -0.3994 0.2055 -1.9435 0.0879

LGDP.POP 0.5629 0.2868 1.9631 0.0853

Residual standard error: 0.1299 on 8 degrees of freedom

Multiple R-Squared: 0.6276

F-statistic: 6.74 on 2 and 8 degrees of freedom, the p-value is 0.01924

*** Linear Model ***

Call: lm(formula = LXar ~ LTDF + LGDP.POP, data = afrWESTregreg, na.action =

na.exclude)

Residuals:

Min 1Q Median 3Q Max

-0.2931 -0.09617 -0.0466 0.09285 0.3776

Coefficients:

Value Std. Error t value Pr(>|t|)

(Intercept) 12.9759 1.3765 9.4270 0.0000

LTDF -0.7633 0.4162 -1.8340 0.1040

LGDP.POP 0.7992 0.4858 1.6451 0.1386

Residual standard error: 0.2102 on 8 degrees of freedom

Multiple R-Squared: 0.3358

F-statistic: 2.022 on 2 and 8 degrees of freedom, the p-value is 0.1947


*** Linear Model ***

Call: lm(formula = LXar ~ LGDP.POP + LPPP, data = afrWESTregreg, na.action =

na.exclude)

Residuals:

Min 1Q Median 3Q Max

-0.2493 -0.1024 0.01714 0.0781 0.2577

Coefficients:

Value Std. Error t value Pr(>|t|)

(Intercept) 12.5306 1.1015 11.3762 0.0000

LGDP.POP 1.5022 0.5458 2.7522 0.0250

LPPP -0.8843 0.3170 -2.7895 0.0236

Residual standard error: 0.1783 on 8 degrees of freedom

Multiple R-Squared: 0.5217

F-statistic: 4.363 on 2 and 8 degrees of freedom, the p-value is 0.05233

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