Data Science is a broad field and it needs quite an amount of time to master. Considering taking up such classes/certifications online may look good on your resume and may give you a little advantage over others. Practice in the Data Science field is required. Relevant degrees and certifications usually supplement the experience. You can refer to Data Scientist 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:
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