What is data science?

Data science is an area of expertise focused on gaining information from data. Using programming skills, scientific methods, algorithms, and more, data scientists analyze data to form actionable insights.

How can I learn data science?

You’ll need to learn a programming language such as Python or R and master the principles of math and statistics. Knowledge of data analysis methods and data science tools is also essential. There are many ways to learn data science. As well as formal means of education, such as a degree or university study, there are plenty of other resources to help you learn at your own pace. As well as online courses and tutorials, there are books, videos, and more.

What skills are required for data science?

As well as knowledge of mathematics and statistics, data scientists need programming skills in languages such as Python, R, and SQL. Additionally, data science requires the ability to work with large data sets, knowledge of data visualization, data wrangling, and database management. Skills in machine learning and deep learning can also be useful.

What can I use data science for?

In a professional capacity, almost every industry can use data science to some degree. Healthcare organizations use data science to detect and cure diseases, while finance companies use it to detect and prevent fraud. All kinds of industries use data science for marketing, such as building recommendation systems and analyzing customer churn.

Is data science a good career?

Yes, data science is among the fastest-growing sectors in the US and worldwide. It’s also one of the best-paid careers out there. According to data from Payscale, experience data scientists earn an average of $97,609 and have a satisfaction rating of four stars out of five in the US.

Is it difficult to become a data scientist?

There are a few things to consider here. First, data science degrees can be competitive to get onto, often requiring consistently high grades. Similarly, many of the skills required for data science require a lot of study and patience. It can take several months to master all of the necessary basics, as well as a lot of practical experience to secure an entry-level position.

Does data science require coding?

Yes, you’ll need some coding experience in languages such as Python, R, SQL, Java, and C/C++. However, due to its relatively simple syntax, Python programming language is often the preferred choice among newcomers.

How long does it take to become a data scientist?

For a person with no prior coding experience and/or mathematical background, it can typically take 7 to 12 months of intensive studies to be at the level of an entry-level data scientist. However, it is important to remember that learning only the theoretical basis of data science may not make you a real data scientist.

What topics can I study within data science?

Once you’ve mastered the foundations of data science, you can then specialize in a variety of areas, including machine learning, artificial intelligence, big data analysis, business analytics and intelligence, data mining, and more.

Data, AI, and Cloud Courses

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71 Courses

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Transform almost any dataset into a tidy format to make analysis easier.

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Reshape DataFrames from a wide to long format, stack and unstack rows and columns, and wrangle multi-index DataFrames.

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Learn how to use Python scripts in Power BI for data prep, visualizations, and calculating correlation coefficients.

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Learn how to efficiently transform, clean, and analyze data using Polars, a Python library for fast data manipulation.

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Reshaping Data with tidyr

Data Types and Functions in Snowflake

Reshaping Data with pandas

Window Functions in Snowflake

Introduction to Oracle SQL

Introduction to Sigma

Intermediate SQL with AI

Introduction to Databases in Python

Working with Geospatial Data in Python

Data Transformation in Alteryx

Dealing with Missing Data in Python

Case Study: Analyzing Job Market Data in Power BI

Time Series Analysis in SQL Server

Data Manipulation in Alteryx

Feature Engineering with PySpark

Data Processing in Shell

Introduction to Text Analysis in R

Introduction to Python in Power BI

Introduction to Polars

Introduction to Spark SQL in Python

Manipulating Time Series Data in R

Functions for Manipulating Data in SQL Server

Biomedical Image Analysis in Python

Analyzing Social Media Data in R

Spoken Language Processing in Python

Categorical Data in the Tidyverse

Customer Segmentation in Python

Data Manipulation with data.table in R

Analyzing Police Activity with pandas

Handling Missing Data with Imputations in R

FAQs

How can I learn data science?

What skills are required for data science?

What can I use data science for?

Is data science a good career?

Is it difficult to become a data scientist?

Does data science require coding?

How long does it take to become a data scientist?

What topics can I study within data science?