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Hi everybody, I'm exploring likelihood function having several parameters and I'm trying to work with pairs but I have the following problem. I need to colour my dots depending on the value of the likelihood of just two parameters, thus basically I need different colour scale for each plot of the matrix. I have been able to create the correct colour scale but I have not been able to

Bonjour, dans la computation de mon modèle dans R avec le package deSolve pour des Equations Différentielles Ordinaires (ODEs), je rencontre l'erreur suivant: Erreur dans checkFunc(Func2, times, y, rho) :    The number of derivatives returned by func() (1457) must equal the length of the initial conditions vector (17) à quoi devrais-je regarder? merci