Data Science for Beginners: 2023 - 2024 Complete Roadmap
Tags: beginners, datascience
Published: 2023-09-30 08:52:47

Data science is an emerging field that has blended statistical, programming, and domain expertise to get insights from data.
 
**What is Data Science?**
Data science is a field of study that involves extracting knowledge and insights from large and complex datasets using techniques like data mining, statistical analysis, machine learning and visualization.

**Who is a Data Scientist?**
A person responsible for collecting, cleaning and analyzing large data sets to extract valuable insights. They work with unstructured, semi structured and structured data to find patterns that help them solve problems and predict future events.

**Why Data Science?**
The pace of change globally is really rapid. There are new technologies being introduced every day. To be competitive in such a situation, businesses must employ innovative strategies. Big data and data science are now important instruments for corporate growth as a result of this.
Data science is applicable to all industries, but most significant in those that generate enormous amounts of raw data on a regular basis, such as healthcare, retail, and finance. 
Companies are now collecting more data on their customers to help them gain insights into their customer behaviors and preferences that aid in making better decisions.

**How easy is Data science for beginners?**
Data science is an exciting and rewarding field for a beginner to learn however it has some challenges;

- Understanding the mathematical and statistical concepts that underpin many of the approaches used in data science like probability, statistics, linear algebra, and optimization can be difficult to grasp, especially for people who have never studied them before.

- Learning the numerous tools and technology used in data science including programming languages like Python and R, as well as libraries and frameworks like NumPy, Pandas, and sci-kit-learn. These tools can be overwhelming for those who are new to programming and are unsure how to begin with data science. Programming language tools necessitate familiarity with concepts such as variables, functions, and loops.

Despite these challenges,beginner in data science can still succeed by being persistent, curious, eager to learn and practice. With time they become proficient at it.

**How do you start learning Data science as a beginner?**
As a beginner, learning data science entails learning the essential tools and technologies, comprehending the underlying concepts, and applying and implementing what you have learned. You may create a good foundation in data science and become adept in the discipline with perseverance and devotion. So, if you're not sure where to start learning data science, here's a step-by-step data science roadmap for beginners to get you started.

**1.Learning Fundamentals and SQL**
If you are a beginner with no background in statistics or mathematics, you can familiarize yourself with probability and statistical concepts.
You then can proceed to learn a query language such as SQL. SQL (Structured Query Language) is a database management and manipulation programming language. It is an essential ability for any data scientist since it helps you to obtain, filter, and combine data from a variety of sources. SQL learning tools for beginners include online classes, tutorials, and textbooks. You can also hone your skills by completing SQL exercises and projects. You can go to the following phase once you have a solid foundation in SQL. 

**2.Learning Programming language like Python/R**
The next stage in data science for beginners is to learn a computer language such as R or Python. R and Python are popular data science programming languages for data manipulation, visualization, and machine learning. 
To begin, select one of the languages and begin studying the fundamentals. Variables, data types, loops, and functions are examples of such ideas. There are numerous tools accessible for studying R or Python, including online courses and tutorials on the greatest data science websites. As you continue, you will be able to delve into more sophisticated themes and improve your talents. You can access online courses on Microsoft Azure Learning, AWS learning platform udemy and coursera.

**3.Learning Data visualisation tool-Tableau/Power BI**
Once you've mastered programming and data manipulation, the next step as a data science beginner student is to study a visualization tool such as Power BI or Tableau. To share your data insights, you can use these tools to create dynamic and visually appealing charts, graphs, and dashboards.
To get started, select one of these tools and begin studying the fundamentals. Topics like as producing charts and graphs, constructing dashboards, and connecting to data sources may be covered. There are numerous resources accessible for learning visualization technologies, such as online classes, tutorials, and documentation. As you continue, you will be able to explore more advanced features and approaches.

**4.Learning statistics for Machine Learning**
After learning a programming language and a visualization tool, the next stage is to understand fundamental statistics for machine learning. Machine learning is a data science subject that involves utilizing algorithms to learn from and predict data. To begin, you should understand fundamental concepts such as probability, statistics, and linear regression. There are numerous resources accessible for understanding the fundamental statistics of machine learning. Data science online courses, tutorials, and textbooks are examples of resources. As you improve, you can delve into more advanced topics and hone your machine learning skills. 

**5.Learning Machine Learning Algorithms**
After you've mastered fundamental statistics, the next step is to learn about machine learning methods. There are numerous algorithms used in machine learning, each with its own set of strengths and disadvantages. To begin, familiarize yourself with supervised and unsupervised learning like as decision trees, linear regression, and k-means clustering. 

**6. Practice and Implement your skills**
The final stage in learning data science as a beginner is to put what you've learnt into practice. Working on projects and exercises to put your skills to use, as well as engaging in online groups and forums to learn from others and get feedback on your work, can all be part of it. You should also think about joining a data science group or club, which will provide you more possibilities to study and work with others. You can use real-world data sets to practice and apply your skills by exploring, visualizing, and analyzing the data with the tools and techniques you've learned. You can also experiment with creating machine-learning models and testing them on various data sets. 

In conclusion, data science provides an amazing potential to have a significant influence in a variety of areas, ranging from healthcare to finance and beyond. Whether you want to be a data scientist, data analyst, machine learning engineer, or specialize in a particular topic, your commitment to mastering this profession will open doors to a world of opportunities. So, enjoy the journey of data science, adapt to new difficulties, and never stop learning. As a data science expert, your future is full with promise, innovation, and the opportunity to shape a data-driven world.