Data wrangling
Your data needs to go through structuring and enriching processes and be transformed and cleaned up, if necessary. All these aspects are part of data wrangling.
Structuring
The raw data might come in different formats and sizes. You might have access to handwritten notes, Excel sheets, or even images of tables that contain information that needs to be extracted and put in the right format for further analysis and used for modeling. This process is not about transforming all data into a table-like format. In the process of data structuring, you need to be careful regarding information loss. For example, you could have features that are in a specific order, such as based on time, date, or the sequence of information coming through a device.
Enriching
After structuring and formatting your data, you need to assess whether you have the right data to build a machine learning model of that cycle. You might identify opportunities to add or generate new data before...