Data structure - data frame 2

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Computers

•

10th Grade

•

Medium

M S

Used 1+ times

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10 Slides • 9 Questions

chapter 3

Data and analysis

Data structure

Let's start with

quick Revision

>>>>>>

Multiple Choice

in Python to create a DataFrame we need first to ------------

import pandas Library

create a list for the data

Multiple Choice

Pandas used to create----

Data

DataFrame

DataFiles

Array

Multiple Choice

This code is a ---------- dimentional data structure

one

Two

Multiple Choice

This code is a ---------- dimentional data structure

one

Two

Multiple Choice

--------------is used to access a single element in dataframe by specifying the row and column names.

index() function

column() function

loc( ) function

type() function

we are done with:

Creating a pandas data structure

one -Dimensional data structure

two-Dimensional data structure

Our Objectives:

1- Accessing elements in a data structure.

2- Updating elements in a DataFrame.

3- Sub-setting a DataFrame.

Multiple Choice

What is the index for the element " Eng"

0,1

0,0

Multiple Choice

What is the index for the element " CS"

0,2

0.2

2,0

2.0

Multiple Choice

What is the index for the element " 95 "

2,1

2.1

1,2

1.2

The loc( ) function name stands for location. To locate or access an element in a DataFrame, the location should be known. The location of an element in a DataFrame is the index values of the row and column.

for example if you want to print the grades of Aesha in CS you will write >>

print ( grades.loc[1,2])

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chapter 3

Data and analysis

Data structure

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