Today, it is possible to use data produced in previous research to be put to more diverse use in new research, thus eliminating the need to collect data, to come up with new methods, or to write code from scratch.
Creative Commons licences are very widely used for sharing and using data.
Try out the Licence Chooser by Creative Commons.
How to licence your own data?
When making data available, it is recommended that licenses are used. It allows you to specify the degree of publicity and user rights for your data. You can use licences as a tool for openness. Research data can have varying degrees of publicity. Creative Commons Finland licenses (CC BY) are widely used for licencing. CC BY 4.0 licence for your data allows the use of your data but require that the author is mentioned. You can also give your data CC0 licence. It means that you give full rights to others for using the data.