NUMPY QUIZ DESCRIPTION

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']

  • 1

  • 2

  • 3

  • 4

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

  • yhat
     

  •    Seaborn
     

  •   Vincent
     

  •   Pychart 
     

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

  • array.reshape(shape) 

  • reshape(shape,array) 

  • reshape(array,shape) 

  • reshape(shape)

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. ])

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() 

SciPy stands for?
 

  • science library
     

  •    source library
     

  •   significant library
     

  •   scientific library 

Numpy in the Python provides the
 

  • Function 
     

  • Lambda function 
     

  • Type casting 
     

  • Array

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) 

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

  • scipy.cluster
     

  •   scipy.source
     

  •    scipy.interpolate
     

  •   scipy.signal
     

How we can change the shape of the Numpy array in python?

  • By Shape() 
     

  • By reshape() 
     

  • By ord() 
     

  • By change() 

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 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 argument we need to pass in reshape() function?
 

  • Array 
     

  • Shape 
     

  • only array
     

  • .Both array and shape 


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

  • access 
     

  • import

  • fetch

  • from

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
     

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

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

  • Yes 
     

  • No
     

  • Sometimes 
     

  • None of the above 

Axis 1, in panel represent?
 

  • minor_axis
     

  •    major_axis
     

  •   items
     

  •    None of the above 

Python pandas was developed by?

  • Guido van Rossum
     

  •    Travis Oliphant
     

  •   Wes McKinney
     

  •     Brendan Eich View Answer

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 not valid to import the numpy module ?
 

  • import numpy as np 
     

  • import numpy as n 
     

  • .import numpy as p 
     

  • None of the above

Which of the following find the maximum number in the Numpy array ?

  • max(array) 
     

  • array.max() 
     

  • array(max) 
     

  • None of the above 

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 

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

  • 0

  • 1

  • 2

  • 3

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

  • list(array) 
     

  • list.array 
     

  • array.list
     

  • None of the above 

Which of the following thing can be data in Pandas?

  • a python dict
     

  •   an ndarray
     

  •   a scalar value
     

  •    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 

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