1: Data Analysis

Diagnostic Analysis

■ Descriptive Analysis

Figure 3.1: Types of Data Analysis

Types of Data Analysis

What is Data Analysis

Data Analysis

1: Data Analysis

Figure 3.2: Data Science Life Cycle

Data Analysis Process

Predictive and prescriptive analyses are more complex than descriptive and diagnostic ones, but they bring more added value and insights to a project.

Prescriptive Analysis

■ Predictive Analysis

Predictive Analysis

1: Data Analysis

Figure 3.3: Types of Exploratory Data Analysis

Types of Exploratory Data Analysis

What is Exploratory Data Analysis

Exploratory Data Analysis

1: Data Analysis

Data Analysis Tools

Figure 3.5: Multivariate graphical analysis

Figure 3.4: Univariate graphical analysis

Graphical Analysis

Non-Graphical Analysis

1: Data Analysis

Table 3.1: Advantages and disadvantages of using code libraries

Python Libraries/Modules

Data Analysis with Python

1: Data Analysis

Jupyter Notebook

In this unit you will use:

Table 3.2: Python libraries for data science

Python Libraries for Data Science

Python Standard Library

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HISTORY The American mathematician John Tukey defined data analysis in 1961

To open Jupyter Notebook:

1: Data Analysis

To create a new Jupyter Notebook:

1: Data Analysis

INFORMATION

You can have as many different cells as you need in the same Notebook. Each cell contains its own code.

Figure 3.8: Create a program in Jupyter Notebook

To create a program in Jupyter Notebook:

You can run your program by pressing Shift + Enter 

Now that your notebook is ready, it's time to write and run your first program in Jupyter Notebook.

1: Data Analysis

Figure 3.9: Save your Notebook

When you are working, the Notebook is autosaved.

It's time to save your Notebook.

1: Data Analysis

Read the sentences and tick True or False.

حل Read the sentences and tick True or False.
1: Data Analysis

Compare the pros and cons of using Python libraries instead of writing your own code. Which approach would you choose?

حل Compare the pros and cons of using Python libraries instead of writing your own code. Which approach would you choose?

Give two examples of problems that require a univariate analysis and two examples of problems that require a multivariate analysis. Can you identify the increased complexity?

حل Give two examples of problems that require a univariate analysis and two examples of problems that require a multivariate analysis. Can you identify the increased complexity?

Compare predictive and prescriptive data analysis. What are the differences? Give an example of each type of analysis.

حل Compare predictive and prescriptive data analysis. What are the differences? Give an example of each type of analysis.
1: Data Analysis

Create a new notebook in Jupyter: Print the message "This is my first notebook".

حل Create a new notebook in Jupyter: Print the message "This is my first notebook".

What is the main advantage of using Jupyter Notebook?

حل What is the main advantage of using Jupyter Notebook?

You are a data analyst for a company that wants to know how its expenses are distributed in different areas. Which type of data analysis will you apply and why?

حل You are a data analyst for a company that wants to know how its expenses are distributed in different areas. Which type of data analysis will you apply and why?