A societal issue has arisen, creating a perceived need for government intervention. In response, politicians—often presenting their actions as compassion-driven—enact policies intended to address this issue. However, as the political environment evolves, additional policies are frequently introduced, sometimes beyond what is necessary. This can lead to an excessive policy landscape that, while well-intentioned, may inadvertently exacerbate the problem.

It presents the codes from the book "Modelling Spatial Density in 2D, 3D, 4D: Spatial Statistics, Spatial Econometrics and Spatial Machine Learning with Applications in R” (Kopczewska, 2025).

Fizemos uma breve análise utilizando o pacote Caret, verificando a acurácia, sensibilidade, especificidade. E para além disso fizemos um gráfico de correlação a matriz de confiança e a curva ROC. Para essas análises usamos o banco de dados Pinguins estendido. Ministrado na aula de Tópicos Espaciais de Estatística.

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We found a significant relationship between income and happiness (p < 0.001, R2 = 0.73 ± 0.0193), with a 0.73-unit increase in reported happiness for every $10,000 increase in income