imgCor, why X and Y are reverse?

[Florian Rohart]

Issues found at the mixOmics Workshop in Auckland.

imgCor(X,Y) actually shows an image of Y[q:1]X[p:1] instead of X[1:p]Y[1:q], why? Is it necessary? It's very confusing because there's no explanation anywhere and if you have p=q with a lot of variables, there's no way to see this inversion on the graph.

[Florian Rohart]

I changed that in v5.1.1