Data Science

Pandas

Question 1
Marks : +2 | -2
Pass Ratio : 100%
The ________ project builds on top of pandas and matplotlib to provide easy plotting of data.
yhat
Seaborn
Vincent
None of the mentioned
Explanation:
Seaborn has great support for pandas data objects.
Question 2
Marks : +2 | -2
Pass Ratio : 100%
The integer format tracks only the locations and sizes of blocks of data.
True
False
Explanation:
The block format tracks only the locations and sizes of blocks of data.
Question 3
Marks : +2 | -2
Pass Ratio : 100%
Which of the following is not an indexed object?
SparseSeries
SparseDataFrame
SparsePanel
None of the mentioned
Explanation:
SparseArray can be converted back to a regular ndarray by calling to_dense.
Question 4
Marks : +2 | -2
Pass Ratio : 100%
Which of the following is a foundational exploratory visualization package for the R language in pandas ecosystem?
yhat
Seaborn
Vincent
None of the mentioned
Explanation:
It has great support for pandas data objects.
Question 5
Marks : +2 | -2
Pass Ratio : 33%
Which of the following is used for machine learning in python?
scikit-learn
seaborn-learn
stats-learn
none of the mentioned
Explanation:
scikit-learn is built on NumPy, SciPy, and matplotlib.
Question 6
Marks : +2 | -2
Pass Ratio : 50%
Which of the following makes use of pandas and returns data in a series or dataFrame?
pandaSDMX
freedapi
OutPy
none of the mentioned
Explanation:
freedapi module requires a FRED API key that you can obtain for free on the FRED website.
Question 7
Marks : +2 | -2
Pass Ratio : 50%
Pandas consist of static and moving window linear and panel regression.
True
False
Explanation:
Time series and cross-sectional data are special cases of panel data.
Question 8
Marks : +2 | -2
Pass Ratio : 50%
Point out the correct statement.
Statsmodels provides powerful statistics, econometrics, analysis and modeling functionality that is out of panda’s scope
Vintage leverages pandas objects as the underlying data container for computation
Bokeh is a Python interactive visualization library for small datasets
All of the mentioned
Explanation:
Bokeh goal is to provide elegant, concise construction of novel graphics in the style of D3.
Question 9
Marks : +2 | -2
Pass Ratio : 100%
Point out the wrong statement.
qgrid is an interactive grid for sorting and filtering DataFrames
Pandas DataFrames implement _repr_html_ methods which are utilized by IPython Notebook
Spyder is a cross-platform Qt-based open-source R IDE
None of the mentioned
Explanation:
Spyder is a cross-platform Qt-based open-source Python IDE.
Question 10
Marks : +2 | -2
Pass Ratio : 100%
Panel is a container for Series, and DataFrame is a container for dataFrame objects.
True
False
Explanation:
DataFrame is a container for Series, and panel is a container for dataFrame objects.