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Saturday, January 19, 2019

Data Mining Quiz -1

1. What is Data Mining?
[A]Process of automatically discovering useful information in the large data repositories
[B]Database Management
[C]Both (A) and (B)
[D]None of the above


2. What is "Curse of dimensionality"?
[A]Having too few dimensions
[B]Having too many dimensions
[C]Having only one dimension
[D]There is nothing like that


3. Transforming the raw input data into an appropriate format for subsequent analysis is known as
[A]Preprocessing
[B]Postprocessing
[C]Data Analytics
[D]Data Mining


4. Ensuring that only valued and useful results are incorporated in to the decision support system is called
[A]Preprocessing
[B]Postprocessing
[C]Data Analytics
[D]Data Mining


5. Discovering patterns that describe strongly associated features in the data is known as?
[A]Classification
[B]Clustering
[C]Regression Analysis
[D]Association Analysis


6. Groups of closely related observations are more similar than data in other clusters.
[A]Classification
[B]Clustering
[C]Regression Analysis
[D]Association Analysis


7. Process of identifying observations whose characteristics are significantly different from the rest of the data, is known as?
[A]Prediction
[B]Classification
[C]Anomaly Detection
[D]Clustering


8. Chose the odd one out.
[A]Regression
[B]Classification
[C]Time Series Analysis
[D]Clustering


9. The value of Nominal Attribute provide enough information to order objects.
[A]TRUE
[B]FALSE
[C]
[D]


10. Aggregation is the method of Preprocessing data.
[A]TRUE
[B]FALSE
[C]
[D]


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