What is ddf mean?

DDF stands for "Data Distribution Format" which is a file format used for distributing datasets in the Datapackage standard. DDF files are typically structured in a tabular format with rows and columns of data that can be easily imported into analysis tools and software.

This format is commonly used in the field of data science and data analysis to share and distribute datasets among researchers, analysts, and data scientists. DDF files can contain metadata such as descriptions of the data, source information, and licensing details to provide contextual information about the dataset.

Overall, DDF files offer a standardized and convenient way to package and distribute datasets for various use cases in the data science community.