Data science major and how to become a data scientist


seem Data science major In proliferation in the late 1990s, it is a field that brings together a range of disciplines related to data collection, management and analysis.

In a way, we can talk about a new paradigm of thinking about the world of information from a technical point of view, after the improvement of technologies and the proliferation of available data.

Contrary to what one might think, the methods applied in data science are not all new and innovative: some were created before the 2000s; However, the technical barrier was too great at the time for these methods to reveal their full potential.

So it is Data science major It is located at the intersection of different fields, including mathematics, computer science, and business expertise. In the field, this takes several forms which we will briefly detail here.

Bachelor’s degree in Data Science

Software development and testing:

  • algorithm
  • mobile application
  • The Internet of things iot
  • The language of objects
  • mathematics
  • Node. JS
  • Scripting
  • UML
  • Browser project

Information systems infrastructure:

  • active directory
  • CCNA 1
  • CCNA2
  • Linux
  • Protection and a cyber mother
  • Windows software player
  • Browser project

Web technologies and technology:

  • Work environment
  • PHP framework
  • HTML And CSS and javascript
  • Web graphics integration
  • JavaScript libraries such as Node.JS
  • PHP (.Net)
  • SEO and SEA
  • Web Marketing
  • Browser project


  • DB database management
  • Merise
  • SQL
  • NoSQL
  • PostgreSQL
  • DB programming
  • Browser project

Information Systems Management:

  • English
  • Professional communication
  • DevOps
  • Project management
  • Information security

Third year elective major:

  • development
  • network
  • Cyber ​​security

Master’s degree in Data Science

Software development and testing:

  • big data level
  • The blockchain
  • data and virtual
  • Data science
  • machine learning
  • business malaise

Web design and development technologies:

  • Open Data: Actors and Technologies
  • CNIL, data law, copyright, image rights and intellectual property.

Information Systems Management:

  • rotation
  • Individual training
  • Professional certifications

What are the duties of a data scientist?

A data scientist has several key responsibilities. Above all, and as its title suggests, a Data Scientist is a scientist, and is expected to put his data science to work for the benefit of the company. His role is to solve his company’s problems through data analysis. It processes, analyzes and models the data and then interprets the results.

He is responsible for determining the best way to meet business needs and the data needed to implement them.

Defines the most relevant analysis algorithms to meet different needs and develops descriptive and predictive models.

He or she will have to monitor data analysis models and know how to share best practices with the rest of the team.

Finally, it can be responsible for collecting large amounts of unstructured data to convert it into a usable format. However, it is often supported by the data engineer in this task.

What are the uses of data science?

Descriptive analysis

Helps accurately display data points for patterns that may appear that meet all data requirements. In other words, it involves organizing, arranging, and manipulating data to produce insightful information about the data presented. It also involves converting the raw data into a form that is easy to understand and interpret.

Descriptive analysis advances the use of predictive data. It not only predicts what is likely to happen but also offers the best course of action to deal with that outcome. He can assess the potential impacts of various decisions and suggest the optimal course of action. It uses machine learning recommendation engines, complex event processing, neural networks, simulations, graph analysis, and simulations.

Predictive analysis

It is the process of using historical data along with various techniques like data mining, statistical modeling, and machine learning to predict future outcomes. Using the trends in this data, companies use predictive analytics to discover risks and opportunities.

Diagnostic analysis

It is an in-depth examination to understand why something is happening. Techniques such as mining, data discovery, data mining, and correlations are used to describe it. Multiple data operations and transformations can be performed on a given data set to discover unique patterns in each of these techniques.

Components of data science

Data science consists of 3 parts:

machine learning

Machine learning includes mathematical algorithms and models, mainly employed to make machines learn and equip them to adapt to daily developments. For example, these days, time series forecasting is largely used in trading systems and financial systems. In this, based on historical data patterns, the machine can predict the results for the coming months or years. This is an application of machine learning.

Big data

Every day humans generate a lot of data in the form of clicks, requests, videos, photos, comments, articles, RSS feeds etc. This data is generally unstructured and is often called big data. Big data tools and techniques essentially help transform this unstructured data into a structured form.

For example, suppose someone wants to track the prices of different products on e-commerce websites. It can access data for the same products from different websites using web APIs and web feeds for RSS. Then convert it into an organized form.

business intelligence

Every business has and produces a lot of data every day. When this data is carefully analyzed and then presented in visual reports that include charts, it can make a process Make decision The good is alive. This can help the management to make the best decision after delving into the patterns and details that the reports bring to life.

See also: How to plan a career path

The tools you must master when studying data science

In-depth knowledge of R: R is used for data analysis, as a programming language, as an environment for statistical analysis, and for data visualization.

Python coding: Python is mainly preferred for implementing mathematical models and concepts because Python It has rich libraries/packages for building and deploying models.

MS Excel: Microsoft Excel is a prerequisite for all data entry jobs. It is of great use in analyzing data, applying formulas, equations and charts from lots of messy data.

Hadoop platform: It is an open source distributed processing framework. It is used to manage the processing and storage of big data applications.

SQL Database/Coding: It is mainly used to prepare and extract datasets. It can also be used for problems like graph and network analysis, search behavior, fraud detection, etc.

technology: Since there is a lot of unstructured data, one must also know how to access that data. This can be done in several ways, via APIs or via web servers.

Sports experience: Data scientists also work on machine learning algorithms like regression, clustering, time series, etc. which require a very large amount of mathematical knowledge because they are based on mathematical algorithms.

Working with unstructured data: Since most of the data that is produced every day, in the form of images, comments, tweets, search history, etc., is unstructured, in today’s market it is very useful to know how to turn this unstructured into a structured form and then work with them.

What are the roles and responsibilities of a data scientist?

A data scientist has several major responsibilities. It is responsible for collecting large amounts of unstructured data, which must then be converted into a usable format. However, it is often supported by the data engineer in this task.

His role is also to solve his company’s problems through data analysis. It processes, analyzes and models the data and then interprets the results.

By identifying trends and patterns, he is able to detect strengths and weaknesses in an organisation. The company can then use the results of the analytics to make better decisions, or to create new services and products that meet consumer expectations.

a summary

The data science major is a very dynamic discipline, constantly changing and located at the crossroads of many other fields, so it is not easy to clearly define where data science starts and stops.

The aim of this article was to give you an overview of Data science major And its prospects, the most important uses, and the variety of problems that can be encountered when working directly or indirectly in this field.

common questions

Where is data science used?

A data scientist uses huge amounts of it to perform analyzes presented in the form of strategic recommendations to management. This big data business finds its place in many areas: 3D animation, video games, andinformation technology and cyber security, andInternet Marketing , etc. It is especially popular with companies that rely heavily on data mining.

What is the specialty of data science?

Data science is a discipline concerned with the study of data and how we can extract knowledge from it. Drawing on techniques and theories from several disciplines and areas of expertise, it uses: Mathematics, Computer Science (using R and Python tools), Statistical Sciences, Probability, Data Engineering, Artificial Intelligence (AI), Machine Learning, and Programming.

Why should you study data science major?

With the amount of data being generated and the development in the field of analytics, data science has become a necessity for businesses. To make the most of their data, companies from all fields, be it financial, marketing, retail or information technology or banks.

Everyone is looking for data scientists. This led to an increase in demand Data scientists all over the world. With the kind of salary the company has to offer, and IBM proclaiming it to be a blockbuster job of the 21st century, it is a lucrative job for many. This field anyone from any background can work as a data scientist.

Where does a data scientist work?

A data scientist works in companies that deal with all kinds of data. Marketing, communications, engineering, service or utility companies.
The possibilities are great and workplaces may differ, even if the methodology is the same.
Note that data scientists can also work in universities as professors.

What are the skills of a data scientist?

Data Scientist is a mathematician and expert in computer science. For data analysis, different programming languages ​​like Python and R are used.

The data scientist also masters statistics. Unlike a data analyst, it also makes use of AI technologies for data analysis such as machine learning, deep learning, and text analytics.

A data scientist must also know how to interact with databases and other information storage solutions such as data warehouses or data lakes. In the cloud era, he must also know the major platforms such as AWS, Microsoft Azure, or Google Cloud.
This professional is also able to create programs to automate the most repetitive tasks. He is also gifted with a knack for identifying issues and trends.

In order to share the results of his analyzes with decision makers and other company employees, he must also have communication skills and a collaborative spirit. Data visualization techniques allow him to display his findings graphically.

Keep in mind that each company will assign different tasks to its data scientists. In some cases, the scientist will be supported by analysts and engineers. In other cases, he will have to do everything on his own and master advanced technologies such as machine learning.


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