I have been working on data science problems with one format(JSON or CSV).I am planning to explore datasets with multiple data formats. Any links to such datasets would be helpful. For example: 1) Consists of related data in multiple files and formats such as CSV, Excel, XML, JSON etc.
2) Has both single and multiple records in each file. For example there is 1 file for each patient, or a
file has multiple patient records.
3) Has both single and multiple files for each record. For example, 1 patient record is split across