Column

The best model for forecasting happiness score


Call:
lm(formula = Ladderscore ~ LoggedGDPpercapita + Socialsupport + 
    Healthylifeexpectancy + Freedomtomakelifechoices + Perceptionsofcorruption + 
    Socialsupport:Healthylifeexpectancy, data = trainingdata60)

Residuals:
     Min       1Q   Median       3Q      Max 
-1.31629 -0.18122  0.04566  0.25957  0.98549 

Coefficients:
                                     Estimate Std. Error t value Pr(>|t|)    
(Intercept)                           8.68881    4.21257   2.063  0.04224 *  
LoggedGDPpercapita                    0.14147    0.07617   1.857  0.06678 .  
Socialsupport                       -11.27678    5.47277  -2.061  0.04244 *  
Healthylifeexpectancy                -0.15421    0.07135  -2.161  0.03353 *  
Freedomtomakelifechoices              2.74804    0.57038   4.818 6.36e-06 ***
Perceptionsofcorruption              -0.47263    0.34251  -1.380  0.17128    
Socialsupport:Healthylifeexpectancy   0.24226    0.08866   2.732  0.00766 ** 
---
Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1

Residual standard error: 0.4681 on 84 degrees of freedom
Multiple R-squared:  0.8301,    Adjusted R-squared:  0.818 
F-statistic: 68.41 on 6 and 84 DF,  p-value: < 2.2e-16

Scatterplot between predicted and actual ladderscore based on model

Column

Happiness_Score by Economy Types

Happiness_Score by Continent