Data Analysis through Wrangling, Exploring, Drawing Conclusions, and Communicating the results. You get the data you need in a form you can work within three steps: gather, assess, clean. You gather the data you need to answer your questions, assess your data to identify any problems in your data’s quality or structure, and clean your data by modifying, replacing, or removing data to ensure that your dataset is of the highest quality and as well-structured as possible.