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Data Mining and Data Warehouse Practice Test
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Avg score: 60% • Most missed: “The non-root node of item-prefix-tree consists of ________ fields.”

Data mining vs Data warehouse:
Data mining is the process of determining data patterns. A data warehouse is a database system designed for analytics.

Data mining is the process of extracting useful data from a large set of data. Data warehousing is the process of combining all the relevant data.

We use a data warehouse to support management functions, and we use data mining to extract useful information and patterns from data.
 

Data Mining and Data Warehouse Practice Test
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25 Questions

1. The biological neuron's _________ is a continuous function rather than a step function.
2. The a priori frequent itemset discovery algorithm moves _______ in the lattice.
3. Perceptron is
4. _______ is concerned with discovering the model underlying the link structures of the web..
5. Incorrect or invalid data is known as _________.
6. Euclidean distance measure is
7. Data selection is
8. Dynamuc Itemset Counting Algorithm was proposed by ____.
9. Adaptive system management is
10. Statistical significance is
11. _________ is the connectivity of the neuron that give simple devices their real power.
12. What does the acronym ETL stands for?
13. Algorithm is
14. Overfitting occurs when a model _________.
15. Which of the following is not a data mining metric?
16. Transparency
17. Deep knowledge referred to
18. Integrated is
19. Rule based classification algorithms generate ______ rule to perform the classification.
20. Certain itemsets in the dashed circle whose support count reach support value during an iteration move into the ______.
21. _________maps the core warehouse metadata to business concepts, familiar and useful to end users.
22. Multi-dimensional knowledge is
23. ________is a generalization of Manhattan, Euclidean and Max Distance
24. If an itemset is not a frequent set and no superset of this is a frequent set, then it is _______.
25. Box plot and scatter diagram techniques are _______.

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