Python Pandas MCQs

11. Python pandas was developed by?

A. Guido van Rossum
B. Travis Oliphant
C. Wes McKinney
D. Brendan Eich

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12. What will be output for the following code?

import pandas as pd

s = pd.Series([1,2,3,4,5],index = ['a','b','c','d','e'])

print s['a']

A. 1
B. 2
C. 3
D. 4

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13. What will be correct syntax for pandas series?

A. pandas_Series( data, index, dtype, copy)
B. pandas.Series( data, index, dtype)
C. pandas.Series( data, index, dtype, copy)
D. pandas_Series( data, index, dtype)

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14. What will be syntax for pandas dataframe?

A. pandas.DataFrame( data, index, dtype, copy)
B. pandas.DataFrame( data, index, rows, dtype, copy)
C. pandas_DataFrame( data, index, columns, dtype, copy)
D. pandas.DataFrame( data, index, columns, dtype, copy)

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15. Axis 1, in panel represent?

A. minor_axis
B. major_axis
C. items
D. None of the above

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16. Which of the following thing can be data in Pandas?

A. a python dict
B. an ndarray
C. a scalar value
D. All of the above

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17. The ________ project builds on top of pandas and matplotlib to provide easy plotting of data.

A. yhat
B. Seaborn
C. Vincent
D. Pychart

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18. Why ndim is used?

A. Returns the number of elements in the underlying data.
B. Returns the Series as ndarray.
C. Returns the number of dimensions of the underlying data, by definition 1.
D. Returns a list of the axis labels

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19. What will be output for the following code?

import pandas as pd

import numpy as np

s = pd.Series(np.random.randn(2))

print s.size

A. 0
B. 1
C. 2
D. 3

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20. Which of the following is false?

A. The integer format tracks only the locations and sizes of blocks of data.
B. Pandas follow the NumPy convention of raising an error when you try to convert something to a bool.
C. Two kinds of SparseIndex are implemented
D. The integer format keeps an arrays of all of the locations where the data are not equal to the fill value

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