An introduction to a fundamental lesson in Data Science. One of the most important concepts we can know in Data Science is Bayes’ Theorem. Named after the British mathematician and Presbyterian minister Thomas Bayes (18th century), Bayes’ theory is built on conditional probability. Bayes allows us to deductively reason our…

Technically known as A|B testing or hypothesis testing Following up on Part 1, I’m now going to walk through our simple A|B test using Python! Here is an example of what our website’s data looks like: import pandas as pd import numpy as np df = pd.read_csv('ad_actions.csv') df.tail()

A coding challenge walkthrough, number 6. I’ll be posting a few of these individually, as they are basically required practice if you are an entry-level data analyst or data scientist looking for your first position. Think from the hiring manager’s perspective. They see you might have some projects and coding…

Challenge number 4 Back to my series of coding challenge questions. I’ll be posting a few of these individually, as they are basically required practice if you are an entry-level data analyst or data scientist looking for your first position. Think from the hiring manager’s perspective. They see you might…

Another question of the challenge series answered step-by-step Back to my series of coding challenge questions. I’ll be posting a few of these individually, as they are basically required practice if you are an entry-level data analyst or data scientist looking for your first position. Think from the hiring manager’s…

and why doing these questions are worth your time Back to my series of coding challenge questions. I’ll be posting a few of these individually, as they are basically required practice if you are an entry-level data analyst or data scientist looking for your first position. Think from the hiring…

and why doing these questions are worth your time If you are like me, a noob and entry-level data scientist, you probably have sighed at the thought of the dreaded coding challenge. There are so many possible questions, how could you know what will be on the test? Data science…

The proper way to program In addition to relearning various aspects of programming foundations, I’d like to take an opportunity to write about Object-Oriented Programming (OOP). Object-Oriented Programming is a programming paradigm and a way to classify a programming language based on its features. I’ll just by typing it as…

Use cases include proper sampling! As data scientists, we are constantly designing experiments that require surveying a population of something. Oftentimes, however, the population we are testing, whether it be patients with illness, likely voters in a district, or animal populations, the population is just too big to test them…