5. The Python library, pandas, is the best for handling which kind of data?A. homogenous numerical dataB. homogenous logical dataC. heterogeneous dataD. categorical data series 6. The method rank () in pandas allow ranking a Series. Given the following statementsare executed, which of the following ranking option produces the output as shownbelow?CodeOutputimport pandas as pddata = pd.Series ([1,2,1,5,1.5,2,3,1.5])2.016.02.08.04.06.07.074.0dtype: float64A. denseB. averageC. firstD. max7. The following code will cause error during execution. What is the reason?data = list (range (5))data[-2:-4] = 4092A. arange () instead of range ( ) should be used.B. It should be data[-4:-2] instead of data[-2:-4].C. Assignment on a sliced list is not allowed.D. It should be data[2:4] instead of data[-2:-4].8. A user selected and highlighted a table on a website (written in HTML format) andpressed "Ctrl-C" to copy the table. Which function should he/she use to convert thetable that has been copied into a DataFrame in pandas?A. read_htmlB. read_clipboardC. read_csvD. read_table

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5. The Python library, pandas, is the best for handling which kind of data? A. homogenous numerical data B. homogenous logical data C. heterogeneous data D. categorical data series

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Concept explainers

Data Dictionary

A database management system has an entity-relationship diagram, data dictionary, and data model as some of its key components, which are tools for the users who are managing the database. One of them is the data dictionary. The data dictionary can also be called metadata. By definition, metadata is a generic concept in the world of information and technology. An example of metadata could be meta-information about a media file or an image file, like author, location, last updated, size, etc. The contents of a data dictionary are names, attributes, and properties of main data elements which are captured during an experiment or stored in an information system, for example, databases. We can also call it a central repository of information about the main data.

Question

5. The Python library, pandas, is the best for handling which kind of data?
A. homogenous numerical data
B. homogenous logical data
C. heterogeneous data
D. categorical data series

6. The method rank () in pandas allow ranking a Series. Given the following statements
are executed, which of the following ranking option produces the output as shown
below?
Code
Output
import pandas as pd
data = pd.Series ([1,2,1,5,1.5,2,3,1.5])
2.0
1
6.0
2.0
8.0
4.0
6.0
7.0
7
4.0
dtype: float64
A. dense
B. average
C. first
D. max
7. The following code will cause error during execution. What is the reason?
data = list (range (5))
data[-2:-4] = 4092
A. arange () instead of range ( ) should be used.
B. It should be data[-4:-2] instead of data[-2:-4].
C. Assignment on a sliced list is not allowed.
D. It should be data[2:4] instead of data[-2:-4].
8. A user selected and highlighted a table on a website (written in HTML format) and
pressed "Ctrl-C" to copy the table. Which function should he/she use to convert the
table that has been copied into a DataFrame in pandas?
A. read_html
B. read_clipboard
C. read_csv
D. read_table

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