FXEC : PCL APP LAB : Python for Data Science Day 1 Quiz

Choose the correct components of data science.

• Domain Expertise

• Data Engineering

• Advanced Computing

• All the above

 Pandas is an open-source _______ Library?

• A. Ruby
  

• B. Javascript
  

• C. Java
  

• D. Python

What will be syntax for pandas dataframe?

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

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

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

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

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

What will be output for the following code?

import pandas as pd

import numpy as np

s = pd.Series(np.random.randn(4))

print s.ndim

• 0

• 1

• 2

• 3

How to read the file from datastore

• pd.sho()

• pd.read_csv

• pd.show-csv()

• All the above

which one of these skills is not required to become a Data Scientist.  

• (a)

  Data Capture

• (b)

  Analysis

• (c)

  Mathamatical

• (d)

  Current Affairs

What is/are the library used for visualization

• Numpy

• seaborn

• matplotlib

• All the above

What are the general steps in Data Science Pipeline?

• (a)

  1. Preparing data

  2. Performing data analysis

  3. learning from data

  4. Visualization

  5. Obtaining insights

• 1. (b( Obtaining insights

  2. Preparing data

  3. Performing data analysis

  4. Learning from data

  5. Visualization

• (c) Preparing data

  1. Visualization

  2. Performing data analysis

  3. learning from data

  4. Obtaining insights

• (d) None of the above

I want to show the top 15 row from data Frame . What will the code is used for that purpose?

• df.head()

• df.head(15)

• df.head_csv(15)

• df.read(15)