Question: Choose the correct answer: During the DM discovery process, it is important to examine the data and look for unanticipated trends and anomalies to gain
Choose the correct answer:
- During the DM discovery process, it is important to examine the data and look for unanticipated trends and anomalies to gain an understanding of the derived information.
options:
| True | |
| False |
2) Which item requires the largest percentage of time in the data mining process?
options:
| Understanding the problem | |
| Data deployment | |
| Data modeling | |
| Data preparation | |
| Data evaluation |
3) Classification problems map input to _____ output labels.
options:
| continuous | |
| factored | |
| discrete | |
| categorical |
4)Once analytical based tables have been appropriately transformed they will all basically look the same.
options:
| True | |
| False |
5)___ provides techniques for identifying structure with the data under consideration.
options:
| Principal Component Analysis | |
| Data reduction | |
| Exploratory analysis | |
| Cluster analysis |
6)___ is the truthfulness and provenance of data.
options:
| Data value | |
| Data veracity | |
| Data volume | |
| Data variety | |
| Data velocity |
7)___ provides methods that reduce the number of features used as inputs to a classifier or regressor.
options:
| factory analysis | |
| data reduction | |
| curse of dimensionality | |
| feature reduction | |
| dimension reduction |
8)_____ starts from data analysis using data to precisely capture critical factors.
options:
| Data variability decisions | |
| Parametric decision | |
| Traditional decision | |
| Data driven decision |
9)Every predictive model requires a properly defined label or target.
options:
| True | |
| False |
10)During the DM ____ phase, calibration of the model settings is used to optimize results.
options:
| evaluation | |
| model | |
| data preparation | |
| deployment |
11)With unsupervised learning algorithms there is prior knowledge of what the output values relative to the samples should be.
options:
| True | |
| False |
12)The training set of data is used to verify the accuracy of any patterns found.
options:
| True | |
| False |
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