n <<- nrow(X)
d <<- ncol(X)
- W <<- diag(d+d^2+d^3) #initialize at W = Identity
+ # W will be initialized when calling run()
},
expArgs = function(v)
θ0$b = rep(0, K)
else if (!is.numeric(θ0$b) || length(θ0$b) != K || any(is.na(θ0$b)))
stop("θ0$b: length K, no NA")
- # TODO: stopping condition? N iterations? Delta <= epsilon ?
- loopMax <- 2
+
+ # (Re)Set W to identity, to allow several run from the same object
+ W <<- diag(d+d^2+d^3)
+
+ loopMax <- 2 #TODO: loopMax = 3 ? Seems not improving...
for (loop in 1:loopMax)
{
op_res = constrOptim( linArgs(θ0), .self$f, .self$grad_f,