Scattered 3d data to contourf plot

Hi,

I think this is a trivial question for more experienced users. I searched in the file exchange webpage, but still I cannot figure out a solution for my problem (or maybe I was not able to understand the provided files).

I have a X,Y and Z variables. The values for these 1x200 vectors were acquired on the lab. In order to assess their organization I did: scatter3(X,Y,X)

However, this type of plot is quite hard to understand or to see any kind of trend. So, I thought that I should plot this data using contourf.

Although, if I code contourf(X,Y,Z), regarding the shown error mensage I do understand that the data input demanded for contourf are not the same for scatter3.

Summing up, how I can run contourf(X,Y,Z)?

Best So,