Is it possible to do visualize the decision surface for four groups of data by using three variables?

Dear @Walter Roberson sir, @Image Analyst sir, @Benjamin sirsir,

I have N samples in four categories. I have attached data file for your consideration.

please help me.

thanks in advance.

[KSSV]

How would you prefer to view? Want a ML method or just you want to visualize?

[sharmin sathi]

Dear KSSV sir,

Just want to visualize surface.

thanks

[Walter Roberson]

I already showed you how at https://www.mathworks.com/matlabcentral/answers/892652-anybody-help-me-by-providing-matlab-code-for-the-three-dimensional-histograms#answer_863405

[sharmin sathi]

Dear @Walter Roberson sir,

From this image how can distinguish the different groups of data visualy?. There is no color for the specific group of data.

[Walter Roberson]

I have not figured out as yet why the items all show up as grey; the code does generate color components for each item.

Answer 1

[KSSV]

You may refer this link to do the same: https://in.mathworks.com/matlabcentral/answers/407736-plot-3d-hyperplane-from-fitcsvm-results

[sharmin sathi]

Dear KSSV sir,

thanks. But i want to visulize surface without ML

[Image Analyst]

How did you create the surface?

[sharmin sathi]

Dear @Image Analyst sir,

i don`t know . If you know, pls help me.