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mentation and data clustering. This is facilitated by such distinctive features as interpretability, controllability and an automatic feature selection. However, there are number of fundamental shortcomings, due to which the problem of decision trees learning becomes much more complicated. The article provides the analysis of advantages and disadvantages of decision trees, the issues of decision trees learning and testing are considered. Particular attention is given to balance of training dataset. We also consider the decision forests and methods of its learning. A brief overview of methods for reducing errors interdependence of decision trees in decision forests learning is given. Methods for overcoming of drawbacks of decision trees are offered, results of these methods are proposed.

The introduction of elements of the Internet of things to all levels of human activity entails the responsibility for the creation and production, as well as the operation of such devices. It is necessary to clearly divide the system into logical sections that implement various functions, receive or transmit data in possible ways for further processing. This separation will allow to accurately detect the cause of the incident for the correct technical and legal assessment of the incident. The article describes the processes of alienation of industrial activity from a person and analyzes the associated risks of different categories of objects included in the system of industrial Internet of things or operated with the introduction of digitalization. One of the main challenges facing the legislator today in the field of the Internet of things of any direction is the task of identifying entities that are now indirectly responsible for the possibility of new risks of production processes and its provision. In addition, it is necessary to pay special attention to the problems of damage in the incorrect functioning of objects involved in the Internet of things, both legal entities, individuals and the state as a whole in case of violation of the operation of critical information infrastructure. As proposals to substantiate the structuring of the regulatory and legal framework of the Internet of Things and Industry 4.0, a classification of IoT components and risks of their exploitation is proposed. The possible features of the functioning of IoT components that are necessary to consider when forming the regulatory legal base of IW are shown. A level structuring of the functioning of the IoT components is proposed and the concept of inter-level interaction, as one of the most vulnerable processes in the entire life activity of the cyberphysical system, is introduced. Keywordsresponsibility in the sphere of Internet of things, industrial Internet of things, cyber physical systems, risks of technological processes.

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