I advice you the use of SNAP (http://step.esa.int/main/download/), software of European Spatial Agency (ESA). SNAP has several toolboxes to model áreas among other things.
I want to model areas that are susceptible to parthenium using sentinel 2 and environmental data. will like to know how to go about it.. Available from: https://www.researchgate.net/post/i_want_to_model_areas_that_are_susceptible_to_parthenium_using_sentinel_2_and_environmental_data_will_like_to_know_how_to_go_about_it [accessed Apr 12, 2017].