NUMPY QUIZ DESCRIPTION

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

  • yhat
     

  •    Seaborn
     

  •   Vincent
     

  •   Pychart 
     

Numpy in the Python provides the
 

  • Function 
     

  • Lambda function 
     

  • Type casting 
     

  • Array

Which of the following is not correct sub-packages of SciPy?
 

  • scipy.cluster
     

  •   scipy.source
     

  •    scipy.interpolate
     

  •   scipy.signal
     

SciPy stands for?
 

  • science library
     

  •    source library
     

  •   significant library
     

  •   scientific library 

It is possible to convert the Numpy array to list in python ?
 

  • Yes 
     

  • No
     

  • Sometimes 
     

  • None of the above 

Why ndim is used?
 

  • Returns the number of elements in the underlying data.
     

  •     Returns the Series as ndarray.
     

  •     Returns the number of dimensions of the underlying data, by definition 1.
     

  •   Returns a list of the axis labels

Which of the following is true?
 

  • By default, all the NumPy functions have been available through the SciPy namespace
     

  •    There is no need to import the NumPy functions explicitly, when SciPy is imported.
     

  •   SciPy is built on top of NumPy arrays
     

  •    All of the above 

Which of the following is correct way to import the Numpy module in your program ?
 

  • import numpy 
     

  • .import numpy as np 
     

  • from numpy import * 
     

  • All of the above 

How to import Constants Package in SciPy?

  • import scipy.constants
     

  •  from scipy.constants
     

  •   import scipy.constants.package
     

  •    from scipy.constants.package 

Axis 1, in panel represent?
 

  • minor_axis
     

  •    major_axis
     

  •   items
     

  •    None of the above 

How we can convert the Numpy array to the list in python?
 

  • list(array) 
     

  • list.array 
     

  • array.list
     

  • None of the above 

What will be output for the following code? import numpy as np
print np.linspace(1., 4., 6)

  • array([ 1. , 2.2, 2.8, 3.4, 4. ])
     

  •  array([ 1. , 1.6, 2.8, 3.4, 4. ])
     

  • . array([ 1. , 1.6, 2.2, 2.8, 3.4, 4. ])
     

  •  array([ 1. , 1.6, 2.2, 2.8, 4. ])

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

  • 0

  • 1

  • 2

  • 3

Which of the following thing can be data in Pandas?

  • a python dict
     

  •   an ndarray
     

  •   a scalar value
     

  •    All of the above

Shape() function in Numpy array is used to
 

  • Find the shape of the array 
     

  • Change the shape of the array 
     

  • Both of the above
     

  • None of the above 

Which of the following is false?
 

  • The integer format tracks only the locations and sizes of blocks of data.
     

  •   Pandas follow the NumPy convention of raising an error when you try to convert something to a bool.
     

  •    Two kinds of SparseIndex are implemented
     

  •   The integer format keeps an arrays of all of the locations where the data are not equal to the fill value
     

Which of the following is used to convert the list data type to the Numpy array ?

  • array(list) 
     

  • array.list 
     

  • Numpy.array(list) 
     

  • .None of the above 
     

How we can find the type of numpy array in python  ?
 

  • dtype 
     

  • type 
     

  • .typei 
     

  • .itype 

How we install Numpy in the system ?
 

  • install numpy
     

  • pip install python numpy
     

  • .pip install numpy
     

  • pip install numpy python 

Which of the following counts the number of elements in Numpy array ?
 

  • count() 
     

  • return() 
     

  • shape()
     

  • size() 

What will be syntax for pandas dataframe?

  • pandas.DataFrame( data, index, dtype, copy)
     

  •     pandas.DataFrame( data, index, rows, dtype, copy)
     

  •    pandas_DataFrame( data, index, columns, dtype, copy)
     

  •  pandas.DataFrame( data, index, columns, dtype, copy) 

what is the use of the zeros() function in Numpy array in python ?

  • To make a Matrix with all element 0
     

  • To make a Matrix with all diagonal element 0 
     

  • To make a Matrix with first row 0
     

  • None of the above 

Python pandas was developed by?

  • Guido van Rossum
     

  •    Travis Oliphant
     

  •   Wes McKinney
     

  •     Brendan Eich View Answer

Numpy.array(list), what it does ?
 

  • It convert array to list 
     

  • It convert list to array 
     

  • It convert array to array 
     

  • Error

What is the use of the size attribute in Numpy array in python ?
 

  • It find the direction
     

  • It find the number of items 
     

  • It find the shape
     

  • All of the above 

Which of the following is the essential argument to pass in full() function of Numpy array ?

  • shape 
     

  • value
     

  • Both of the above 
     

  • None of the above 


Which of the following keyword is used to access the numpy module in python ?
 

  • access 
     

  • import

  • fetch

  • from

Correct syntax of the reshape() function in Numpy array python is -

  • array.reshape(shape) 

  • reshape(shape,array) 

  • reshape(array,shape) 

  • reshape(shape)

Which of the following is not valid to import the numpy module ?
 

  • import numpy as np 
     

  • import numpy as n 
     

  • .import numpy as p 
     

  • None of the above

Minimum number of argument to pass in full() function in Numpy array ?
 

  • 0

  • 1

  • 2

  • 3