Machine Learning / Artificial Intelligence – basic pre-requisites to get started

Machine Learning or Artificial Intelligence technologies are booming (or should I say boooooming..!!) nowadays, maybe already. Many of you are planning to get started with your AI or ML studies, but not clear on where to start and what are the pre-requisites. Yes, a bit different area from your current Infrastructure/Software/Database/Coding domain and which requires a bit (not really, a lot more) of additional learning.
Let’s try to take a look at the most common pre-requisites for getting started with your AI/ML journey.
 

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Mathematics
Maths, but how much of maths ?? 
Not too much, it is basically a refresh required for your high-school maths. You just have to remember linear algebra (linear equations, matrices and vectors) stuff and basics of calculus (rate of change, integration, differentiation etc…). Remember, it is required for you to understand how the models work. You do not have to do all these calculations etc… by your own, or you do not have to code all these in maths terms. The model will do it, maths is for you to understand what is happening in the back-end. 
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Statistics and Probability 

It’s a lot to learn, if you are not too good in it. You should be having a good level of statistics knowledge to understand the AI/ML stuff, as the basics are all based on the statistics terms. 
You should be well versed with the descriptive statistics including the mean, median, standard deviation, variance etc… of the data. Same applies with the Probability theory. You have to be too good with it, able to understand the data distribution including distribution functions PDF (Probability Density Function) and CDF (Cumulative Density Function) (and PMF etc…).
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Histograms and other common plotting – visualisation – methods, a better understanding of data (covariance, correlation etc…).

The more statistics you know the better you can understand. 
 
Programming
Is it necessary to know coding ??
I would say, yes. There are MLaaS (Machine Learning as a Service) tools which will do the most part for you where you don’t have to write a single line of code. But I would prefer coding it yourself for a better understanding and that maybe necessary based on your job role.
Python – is where everyone gets landed, based on its popularity and it being Machine Learning friendly (just kidding, it has rich set of modules available for ML). If you are good at R, C/C++, Java, Julia, Scala, Ruby… still you are at a better position, 1 item (programming) is already checked.
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I believe that covers the basic requirements to get started with your ML/AI learning. The more you work with data, the better you would be with it. It requires a lot, lot of learning and even more practice. Please feel free to add your suggestions/queries in the comments section.