Neural network 如何在神经网络中应用多项式函数?
我已经知道如何使用神经网络中的“简单公式”,如下所示:Neural network 如何在神经网络中应用多项式函数?,neural-network,regression,Neural Network,Regression,我已经知道如何使用神经网络中的“简单公式”,如下所示: f = as.formula(paste("logK ~",paste(n[!n %in% "logK"], collapse = " + "))) 但是我有一个问题是如何将多项式模型应用到神经网络中 n = names(dataset) f = as.formula(paste("logK ~.-Co-Ru +I(Cr ^ 3)+I(Mo ^ 3)+I(Re ^ 3)
f = as.formula(paste("logK ~",paste(n[!n %in% "logK"], collapse = " + ")))
但是我有一个问题是如何将多项式模型应用到神经网络中
n = names(dataset)
f = as.formula(paste("logK ~.-Co-Ru +I(Cr ^ 3)+I(Mo ^ 3)+I(Re ^ 3)+I(Ti ^ 3) +I(Temp ^ 3)+I(Re ^5 )+I(Temp ^ 5)+I(Cr ^ 7)+I(Re ^ 7)+I(Re ^ 9)", paste(n[!n %in% "logK"])))
nn = neuralnet(f, data = trainset, hidden = 10, act.fct = "tanh")
分析时出错(text=x,keep.source=FALSE)::1:121:意外符号
1:logK~-Co-Ru+I(Cr^3)+I(Mo^3)+I(Re^3)+I(Ti^3)+I(Temp^3)+I(Re^5)+I(Temp^5)+I(Cr^7)+I(Re^7)+I(Re^9)Al
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回溯: