data mining and data ware house Practice Questions Answers Test with Solutions & More Shortcuts
data mining and data ware house PRACTICE TEST [2 - EXERCISES]
data mining & data ware house set 1
data mining & data ware house set 2
Question : 16
Information content is
a) The amount of information with in data as opposed to the amount of redundancy or noise
b) One of the defining aspects of a data warehouse
c) Restriction that requires data in one column of a database table to the a subset of another-column.
d) None of these
Answer »Answer: (a)
Question : 18
Bayesian classifiers is
a) A class of learning algorithm that tries to find an optimum classification of a set of examples using the probabilistic theory.
b) Any mechanism employed by a learning system to constrain the search space of a hypothesis.
c) An approach to the design of learning algorithms that is inspired by the fact that when people encounter new situations, they often explain them by reference to familiar experiences, adapting the explanations to fit the new situation.
d) None of these
Answer »Answer: (a)
Question : 19
Prediction is
a) The result of the application of a theory or a rule in a specific case
b) One of several possible enters within a database table that is chosen by the designer as the primary means of accessing the data in the table.
c) Discipline in statistics that studies ways to find the most interesting projections of multi-dimensional spaces.
d) None of these
Answer »Answer: (a)
Question : 20
Deep knowledge referred to
a) It is hidden within a database and can only be recovered if one is given certain clues (an example IS encrypted information)
b) The process of executing implicit previously unknown and potentially useful information from dat(A)
c) An extremely complex molecule that occurs in human chromosomes and that carries genetic information in the form of genes.
d) None of these
Answer »Answer: (a)
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