re relevant for this very large dataset. Which machine learning algorithm would you advice David to use given a choice of decision tree and k-nearest neighbour? Explain the choice and how he should approach this task? (b) The task of machine learning may involve the expertise of several individuals, each with a special role. Identify these roles and summarize their activities towards this goal of machine learning.
(a) David has a machine learning problem that has real-valued attributes in a 100-dimensional space. He estimates that only 10 attributes are relevant for this very large dataset. Which machine learning algorithm would you advice David to use given a choice of decision tree and k-nearest neighbour? Explain the choice and how he should approach this task?
(b) The task of machine learning may involve the expertise of several individuals, each with a special role. Identify these roles and summarize their activities towards this goal of machine learning.
(c) Discuss any four serious challenges in machine learning, specifically when working with textual data. Rank them in order of severity.
(d) Describe any three suitable types of problems that can be implemented using reinforcement learning in a Telecommunications organization.
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