How to learn Data Science from Scratch? - Intellipaat

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How to learn Data Science from Scratch
Updated on 29th Sep, 23 8.5 K Views

It’s a great time to become a data scientist, with a booming job market, lucrative salaries, and exciting career opportunities. What happens, though, if you have to start over?

There are fortunately many distinct learning paths available. There are numerous ways to acquire the necessary skills in the field, including attending boot camps, obtaining a college degree, and self-learning.

But, Lacking a starting point?

We’ll show you how to advance from being a beginner to being prepared for employment in the field of data science in this blog. Have a look at the table of contents so that you get an idea of what is to be covered!!

Points at a Glance:

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One of the trending questions asked on the internet nowadays is, “What is Data Science”?

Why Study Data Science?

Why Study Data Science
  • Companies have started to recognize the value of data, which has led to data science becoming a leading discipline in the software industry.
  • For expanding organizations today, efficient data sourcing and processing are essential.
  • Data scientists are used by businesses to produce insights that can help them outsmart the competition and increase profits.
  • This has led to a proliferation of opportunities in the data science field.
  • Through 2026, the field is expected to grow by almost 30%, according to the American Bureau of Labor Statistics.
  • This is one of the reasons “Data Scientist” is one of the top three technology jobs, according to US News.

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Is Data Science Really Important?

The answer is easy: Organizations’ fear of uncertainty will be lessened by making sense of the data. Despite its rapid growth, industry insiders claim that data science is still in its infancy.

  • Establishing Data Science Units:

Businesses that are not directly involved in data science have nonetheless established a unit where they employ data scientists to work on analytics.

  • Streamline the procedures:

Due to the availability of high-quality, already-structured, and to some extent-cleaned data, this process of standardization helps create good data science systems that can produce better models.

  • Skillsets related to data science:

Employers are increasingly seeking candidates with analytical abilities for all processes and roles.

Without science, data is meaningless.

  • Both data and the science used to decode it are valuable.
  • Data generated in the billions of bytes is now valued higher than oil because of the increased demand for it.
  • For businesses in a variety of industries, a data scientist’s role is and will continue to be of utmost importance.

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What should one know to learn Data Science

Though every field has a lot of things to be learned and explored, The following is a list of one of the many topics one must have an idea of to make a career in Data Science!

  • Statistics and Probability
Statistics and Probability

With the aid of sophisticated systems, algorithms, or processes, data scientists can glean knowledge from their data, gain new perspectives, and come to wise decisions.

Therefore, estimating, predicting, and drawing inferences are crucial components of data science.

  • Software, packages, and programming

Of course! The foundation of data science is programming.

The fundamental knowledge required to turn raw data into useful insights is gathered in Programming Skills for Data Science. Although there isn’t a set rule for choosing a programming language, Python and R are the most popular choices.

Here is a list of programming languages and some packages for Data Science that are available, in no particular order:

  • Python
  • R
  • Julia
  • Scala
  • SQL
  • Java
  • Machine Learning
Machine Learning

K-nearest neighbors, Random Forests, Naive Bayes, and Regression Models are some of the fundamental ML algorithms used in machine learning for data science.

Additionally, PyTorch, TensorFlow, and Keras are useful in machine learning for data science.

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Skills Required to Become a Professional

Similar to most professions, you’ll need a wider range of skills to succeed in a position that is more advanced than you.

Nevertheless, regardless of your role, you’ll need to be proficient in a few skills if you’re considering a career in Data Science.

  • Modeling and Analytics

A skilled data scientist should have the most recent data science training and high levels of proficiency because data is only as good as the individuals performing the analytics and modeling on it.

A Data Scientist should be able to analyze data, conduct experiments, and develop models to gain new insights and forecast potential outcomes.

This is based on a foundation of both critical thinking and communication.

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  • Studious Curiosity

A strong desire to solve problems and find solutions, particularly those that call for some unconventional thinking, is at the core of the data science role.

Data by itself doesn’t mean much, so a great data scientist is driven by a curiosity to learn more about what the data is telling them and how that knowledge can be applied more broadly.

  • Communication

An effective data scientist must have strong communication skills because data cannot communicate without being altered.

Career Transition

Pathway to Becoming a Data Scientist?

  • Get a degree in data science.

Although it’s not always actually needed, companies usually prefer to see evidence of your academic success to ensure you have the skills needed to manage a data science position.

To gain an advantage in the field, consider pursuing a related bachelor’s degree in data science, statistics, or computer science.

  • Develop the necessary skills

Developing the skills mentioned above will help you attain a level higher than the rest.

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  • Obtain an entry-level data analytics position

Despite the fact that there are numerous ways to become a data scientist, a good place to start is with an entry-level position in a closely related field.

Consider careers as a data analyst, business intelligence analyst, statistician, data engineer, or in a similar position.

As your knowledge and abilities grow from there, you could eventually work your way up to the position of a scientist.

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  • Getting ready for interviews

Given the technical nature of data scientist positions, it’s possible that you’ll be asked both technical and behavioral questions.

Refer to these Data Science Interview Questions to ace your next interview!

You can make yourself seem assured and knowledgeable to interviewers by coming prepared with examples from your prior work or academic experiences.


A vast array of different data operations make up data science. In addition, these data operations make use of statistics and machine learning. Data is a major component of machine learning algorithms. The training set and test set of this data are fed into our model, which is then used to fine-tune our model with different algorithmic parameters.

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Frequently Asked Questions (FAQs)

Can I learn data science on my own?

Yes, with self-discipline and access to online resources, books, and communities, you can self-learn data science, although having a mentor can be beneficial.

How should I learn data science from scratch?

Start with basic statistics, mathematics, then learn programming languages like Python or R, followed by data manipulation, visualization, and machine learning concepts.

Is it easy to learn data science from scratch?

The ease varies per individual. With a strong mathematical background and dedication, learning data science from scratch is achievable.

How long does it take to learn data science from scratch?

It typically takes around 6 to 12 months of consistent learning and practice to gain a solid understanding of data science fundamentals.

Is Python alone enough for data science?

Python is crucial but not enough; understanding statistics, data manipulation, and machine learning concepts is also essential for data science.

Can I learn data science in 3 months?

A basic understanding is possible in 3 months, but mastering data science requires longer, consistent learning, and practical experience.

Is data science easy or AI?

Both fields have their complexities. Data science focuses on data analysis while AI involves creating intelligent algorithms, each with its own learning curve.

Which is easy, Python or Data Science?

Python is easier as it’s a programming language, while data science is a broad field requiring knowledge in statistics, machine learning, and data analysis.

Does data science require coding?

Yes, coding is essential in data science for data manipulation, analysis, and implementing machine learning algorithms.

How can a beginner start data science?

Begin with learning basic statistics, mathematics, and programming languages like Python or R, then engage in online courses, tutorials, and hands-on projects to build skills.

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