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R / mgcv: Por que os produtos tensores te () e ti () produzem superfícies diferentes?
O mgcvpacote para Rpossui duas funções para ajustar as interações do produto tensorial: te()e ti(). Entendo a divisão básica do trabalho entre os dois (ajustando uma interação não linear versus decompondo essa interação em efeitos principais e uma interação). O que não entendo é o porquê te(x1, x2)e ti(x1) + …
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