Data Science involves learning of mathematics, statistics, computer science, and information science together. The purpose to use it is is to find the hidden patterns in the existing data. It helps to predict useful outcomes from it. In technological terms, it can be described as the process of extracting knowledge and gaining valuable insights. If you want a detailed explanation of Data Science and Machine Learning then do check out Intellipaat’s blog which will help you in understanding DS and ML.
You can refer to the Intellipaat's online Data Science certification course as it will help you in preparing for a career as a Data Scientist and highlights concepts and tools you will need during the entire data science pipeline, from asking the right kinds of questions to making conclusions and publishing results. It will also help you in developing a portfolio of projects that you can showcase during interviews. And if you are more into videos then do check out the following video tutorial which will help you in mastering in the field of Data Science:
If you are a beginner and want to know more about Machine Learning, then check out Machine learning course which will teach you ML from basics.
And if you are more into youtube tutorials then here is an awesome video tutorial by Intellipaat which will clear all your doubts regarding the same: