Unused arguments in SOM function

Question

This is my first post and I am newbie in R. I'm trying to train a Self-Organizing Map. My data is a matrix of 2304 instances with 7 features each instance ([2304x7])

Following the example codes with (like wines' dataset) I have no problem but when I try to modify some features with my data I have this error:

Error in som(datos, grid = som_grid, init = "random", alpha = c(1, 0.1), : unused arguments (alphaType = "linear", neigh = "gaussian")

I am just typing code below:

library(kohonen)

som_grid<-somgrid(xdim=8, ydim=3,topo="hexagonal")

som_model <- som(my_data, grid=som_grid, init="random", alpha=c(1.0, 0.1), alphaType="linear", neigh="gaussian",r adius=c(15,3), rlen=c(100,1000))

What am i doing wrong?

Thank you so much and sorry it is answered already (I didn't find it)!

Answer 1

Rlen argument accepts a single value, i.e. in your code it should be rlen=100 (default) or rlen=1000