A Beginner's guide to Data Science

 

What is data science?

Data Science is a blend of various tools, algorithms and machine learning principles with the goal to discover hidden patterns from the raw data.

Who is a data scientist?

Anyone who practices the art of data science and discovers unsolved patterns in data is a data scientist.

What does a data scientist do?

Data Scientist are those who crack data problems with their knowledge, skills or expertise in certain scientific disciplines.

What things you need to learn?

1. Mathematics

• Statistics
• Probability
• Calculus

2. Database

• Oracle
• MySQL

3. Programming

• Python 
• R

4. Data Engineering

• Data Preprocessing
• Data Wrangling
• SQL

5. Machine Learning

• Classification
• Regression
• Reinforcement Learning
• Deep Learning
• Dimensionality Reduction
• Clustering

6. Web Scraping

• BeautifulSoup
• Scrapy
• Urllib

7. Data Visualization

• Power BI
• Tableau
• ggplot2
• D3.js

Studying only the theory is not very intresting, you need to try your hand at practice.

Use https://www.kaggle.com/ , a website dedicated to Data Science. It consistently hosts data analysis competitions in which you can take part. There are also a large number of open data sets that you can analyze and publish your results.

Youtube Channels for learning Data Science

• edureka
• Krish Naik
• Siraj Raval
• freecodecamp.org
• codebasics