数据挖掘与数据分析,数据可视化试题
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数据挖掘与数据分析，数据可视化试题
1. Data Mining is also referred to as ……………………..
data analysis
data discovery(正确答案)
data recovery
Data visualization
2. Data Mining is a method and technique inclusive of ………………………….
data analysis.(正确答案)
data discovery
Data visualization
data recovery
3. In which step of Data Science consume Almost 80% of the work period of the
procedure.
Accumulating the data
Analyzing the data
Wrangling the data(正确答案)
Recapitulation of the Data
4. Which Step of Data Science allows the model to consistently improve and provide
punctual performance and deliverapproximate results.
Wrangling the data
Accumulating the data
Recapitulation of the Data(正确答案) Analyzing the data
5. Which tool of Data Science is robust machine learning library, which allows the
implementation of deep learning ?algorithms. S
Tableau
D3.js
Apache Spark
TensorFlow(正确答案)
6. What is the main aim of Data Mining ?
to obtain data from a less number of sources and to transform it into a more useful
version of itself.
to obtain data from a less number of sources and to transform it into a less useful version
of itself.
to obtain data from a great number of sources and to transform it into a less useful
version of itself.
to obtain data from a great number of sources and to transform it into a more useful
version of itself.(正确答案)
7. In which step of data mining the irrelevant patterns are eliminated to avoid cluttering ?
Cleaning the data(正确答案)
Evaluating the data
Conversion of the data
Integration of data
8. Data Science t is mainly used for ………………. purposes. Data mining is mainly
used for ……………………. purposes.
scientific,business(正确答案)
business,scientific
scientific,scientific None
9. Pandas ………………... is a one dimensional labeled array capable of holding data of
any type （integer, string, float, python objects, etc.）.
Series(正确答案)
Frame
Panel
None
10. How many principal components Pandas DataFrame consists of ?
4
2
1
3(正确答案)
11. Important data structure of pandas is/are ___________
Series
Data Frame
Both(正确答案)
None of the above
12. Which of the following command is used to install pandas?
pip install pandas(正确答案)
install pandas
pip pandas
None of the above
13. Which of the following function/method help to create Series?
series（ ）
Series（ ）(正确答案)
createSeries（ ）
None of the above
14. NumPY stands for?
Numbering Python
Number In Python
Numerical Python(正确答案)
None Of the above
15. Which of the following is not correct sub-packages of SciPy?
scipy.integrate
scipy.source(正确答案)
scipy.interpolate
scipy.signal
16. How to import Constants Package in SciPy?
import scipy.constants
from scipy.constants(正确答案)
import scipy.constants.package
from scipy.constants.package
17. ………………….. involveslooking at and describing the data set from different
angles and then summarizing it ?
Data Frame
Data Visualization
EDA(正确答案)
All of the above
18. what involves the preparation of data sets for analysis by removing irregularities in
the data so that these irregularities do not affect further steps in the process of data
analysis and machine learning model building ?
Data Analysis
EDA(正确答案)
Data Frame
None of the above
19. What is not Utility of EDA ?
Maximize the insight in the data set
Detect outliers and anomalies
Visualization of data
Test underlying assumptions(正确答案)
20. what can hamper the further steps in the machine learning model building process If
not performed properly ?
Recapitulation of the Data
Accumulating the data
EDA(正确答案) None of the above
21. Which plot for EDA to check the dependency between two variables ?
Histograms
Scatter plots(正确答案)
Maps
Time series plots
22. What function will tell you the top records in the data set?
shape
head(正确答案)
show
all of the aboce
23. what type of data is useful for internal policymaking and business strategy building
for an organization ?
public data
private data(正确答案)
both
None of the above
24. The ………… function can “fill in” NA valueswith non-null data ?
head
fillna(正确答案)
shape
all of the above
