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How do I prepare for Msc in datascience at CMI in 2020 within one year?


Introduction:

I have been seeing people ask this question many times in quora as well as in conversations too. So I thought I will take time and I will answer this question outright in a blog post. So, two of my friends from ISI went through this exam this year. It depends on your background. I will suggest you prepare your statistics, probability, and general bachelor's level mathematics properly.


For basic level probability, I will suggest you go through Introduction to probability by Sheldon ross; read the concepts, solve the examples and proceed. This book is good enough to prepare you for the probability questions you will face.

Now, let’s come to the statistics part. For statistics, I will suggest reading through Casella Berger and CR Rao. See, these books are pretty rigorous, and maybe you can find it really hard for you. But, You can skip some of the hard theoretical parts, and follow the flow basically. That will give you a good knowledge of what can come.
Now, once all this is done, start with the question papers. I don’t know whether there is an interview part for this exam for all the candidates. In that case, you will have to go through some blogs or sites mentioning the questions asked in the interview. But prepare well on the previous year's questions; try to fetch similar questions from the above-mentioned books again. It may also help to try m.stat question papers from ISI websites which have solutions available on the internet also. But that is if you are done with all these previous steps.

Some advices and best of luck!

And above all, please try some data science projects hands-on before you end up doing a master's on it. You could be a karate master but maybe you will not like kicking people on a daily basis. A similar concept apply to data science. It may look fancy, but needs a lot of reading and researching along with programming skills to attain a bit of expertise even. So, look before you leap. Just do not run behind “data scientist is the hottest job of 21st century”. Maybe you are well determined and all; but I think it must be mentioned for people aspiring to become data analysts or data-science people.
So! best of luck for your exam!
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