A freelance data scientist is an individual who provides data science services to clients on a project-by-project basis rather than working as a full-time employee. papmall® is an online marketplace that connects freelancers with clients who need their services. To become a data science service provider on papmall®, you can follow these steps:

1. Create a profile: Sign up for a papmall® account and create a profile that showcases your skills, experience, and portfolio.

1. Define your services: Determine what services you will offer as a freelance data scientist.

1. Set your rates: Be sure to research the market and the rates other data science services charge to ensure your rates are competitive.

1. Search for clients: Use papmall®'s search features to find potential clients looking for freelance data science services. You can also create a profile that showcases your skills and experience to attract potential clients.

1. Communicate, negotiate, and collaborate: Once you have found a potential client, communicate with them to understand their needs and negotiate the terms of the project. Be responsive to feedback and make revisions as necessary to ensure that the final deliverable is of the highest quality.

Offering a freelance data science service on papmall® requires a combination of marketing your skills and services, setting competitive rates, communicating effectively with clients, and delivering quality work.