The full form of “ROC” can vary depending on the context. Here are a few common meanings:
Registrar of Companies: In the context of business and corporate governance, particularly in India and some other countries, ROC refers to the government office that registers companies and maintains company records.
Receiver Operating Characteristic: In statistics and machine learning, ROC refers to a graphical plot that illustrates the diagnostic ability of a binary classifier system as its discrimination threshold is varied.
Revolutionary Communist Party: This can refer to various communist parties around the world.
ROC (Republic of China): This is often used to refer to Taiwan, which is officially known as the Republic of China.
If you have a specific context in mind, please provide more details!