INSTITUTE OF AERONAUTICAL ENGINEERING
(AUTONOMOUS) Code No: BCSB13
M. Tech II Semester Regular Examinations
DATA PREPARATION AND ANALYSIS
(Computer Science and Engineering)
Time: 3 hours Max. Marks: 70
Answer ONE Question from each Unit All Questions Carry Equal Marks
All parts of the question must be answered in one place only
UNIT - I
1 (a) Illustrate how do we prepare and format data for analysis in data gathering process?
[7M]
(b) Explain the various types of data formats in detail? [7M]
2 (a) Explain in detail about the parsing and transformation techniques? [7M]
(b) List out various methods of scalability and real time issues with an example?
[7M]
UNIT - II 3 (a) Discuss the following terms:
i. Data cleaning.
ii. Consistency checking.
[7M]
(b) What is the difference between heterogeneous and homogeneous data sets?
[7M]
4 (a) Discuss about data transformation and its techniques with an example?
[7M]
(b) State the overview of selected segmentation approaches and its methods? [7M]
UNIT - III
5 (a) Explain what are the similarities between descriptive and comparative statistics?
[7M]
(b) Explain what are the four types of descriptive statistics? [7M]
6 (a) Discuss the following terms:
i. Clustering analysis.
ii. Association analysis.
[7M]
(b) Explain how can clustering be used to improve the accuracy of linear regression model?
[7M]
MODEL QUESTION PAPER - I
UNIT - IV
7 (a) Explain about the benefits of data visualization? [7M]
(b) Explain how does visualization of big data help in interpreting information? [7M]
8 (a) Explain the goals in time series analysis? [7M]
(b) Explain about data correlations and why is it important to identify correlations?
[7M]
UNIT - V 9 (a) Discuss the following terms:
i. Data visualization.
ii. Network visualization.
[7M]
(b) Explain about the three main uses of data visualization? [7M]
10 (a) Explain what are the challenges of interactive visual data analysis? [7M]
(b) Implement how the functionality of data visualization to interactive data analysis?
[7M]
