How to code bernoulli distribution from scratch for curious
To solve a problem, the common ready libraries are used but we don’t search the function how to work and how to serve our purpose. More importantly, if we need to modify a function, we don’t know how to do that.
So, the purpose of this article is how to code bernoulli probability distributions and their some properties in a simple way, without using ready libraries like “SciPy” and gain some basic skills from scratch.
The bernoulli distribution is a discrete distribution that is used when a random experiment is performed and only two results are obtained such as good-bad, positive-negative, success-failure. Those statements are used to describe the probabilities of an event. Bernoulli trial is the simple way to represent an experiment like the outcome of a coin heads or tails, the result of an exam pass or failure, etc.
If X is a random variable and p is a probability of an event with this distribution, then:
bernoulli probability mass function
#bernoulli probability mass function: def pmf(x,p): f = p**x*(1-p)**(1-x) return f
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