Show that the entropy of a node never increases after splitting it into smaller successor nodes.

What will be an ideal response?

Let Y = {y1, y2, ··· , yc} denote the c classes and X = {x1, x2, ··· , xk} denote

the k attribute values of an attribute X. Before a node is split on X, the

entropy is:

Computer Science & Information Technology

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To create a query that includes a customer and the products that the customer has purchased would require you to create a(n) ________

A) query join B) inner join C) outer join D) unmatched query

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You can recover a forgotten database password by opening the database in exclusive mode.

Answer the following statement true (T) or false (F)

Computer Science & Information Technology