Team 7 - San Francisco, California, United States :The purpose of this project is to apply the learnings from the first four lectures of the semester to prepare a dataset for modeling. Cleaning data is a critical step that precedes model building. The adage "garbage in, garbage out" holds true for modeling. You need clean data to build a good model. Each team is expected to fully preprocess a dataset to prepare it for modeling. Your project must follow the first three steps of SEMMA process - sample, explore, and modify