Patent ID: 11880773
Assignee: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 0:
1. An apparatus for performing machine learning by determining a correlation between variables, the apparatus comprising:
a processor and a memory, wherein the processor executes a program stored in the memory to perform:
generating a decision tree-based machine learning model based on training data;
selecting two variables from a decision tree of the machine learning model and determining a correlation between two selected variables; and
performing the machine learning based on determined correlation,
wherein when the processor performs the determining of the correlation between the two selected variables, the processor performs:
measuring a difference between a first result value output from an objective function to which a pair consisting of the two variables is input and a second result value output from the objective function to which a converted pair of the pair is input, wherein an order of the two variables in the pair is switched within the converted pair; and
determining the correlation between the two selected variables as one of a positive correlation, a negative correlation, and a mutually independent relationship based on the difference between the first result value and the second result value.