Plot neural network nodes in plotnet
layer_points(layer, x_loc, x_range, layer_name, cex_val, circle_cex, bord_col,
in_col, node_labs, line_stag, var_labs, x_names, y_names, ...)specifies which layer, integer from struct
indicates x location for layer, integer from layer_x
numeric for total range of x-axis
string indicating text to put in node
numeric indicating size of point text
numeric indicating size of circles
chr string indicating border color around nodes, default lightblue
chr string indicating interior color of nodes
logical indicating if node labels are to be plotted
numeric indicating distance between of text from nodes
chr string for variable labels
chr string for alternative names of input nodes
chr string for alternative names of output nodes
values passed to get_ys