Measures of Dispersion
After considering measures of central tendency and asymmetry in our discussion of descriptive statistics, it’s time to look […]
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Conditional Probability
Let’s discuss how to calculate probability for two or more dependent events. This type of probability is known […]
Artificial Intelligence (AI) Introduction
Artificial intelligence (AI) is a big topic. Machine learning falls under, or is part of, AI. Artificial intelligence […]
Data Science Hierarchy of Needs
In 2017, Monica Rogati published the hierarchy of needs diagram in an article that showed where AI and […]
Data Engineering Life Cycle
The data engineering life cycle (lifecycle) helps us to look at the bigger picture. It’s tempting to dive […]
Data Pipelines Introduction
Data pipelines are sets of processes that move and transform data from different sources to a specific destination, […]
History of Data Engineering
In the early 2010s, we had huge increases in data volumes, velocity, and variety leading to the term […]
Data Science Careers
Some data science careers or job titles are: data scientist, data analyst, business intelligence analyst (BI), project manager, […]
Data Engineering Introduction
Data engineering is the practice of designing and building systems for collecting, storing, and analyzing data. It’s about […]
Population and Sampling
Population and Sample The population includes all objects of interest whereas the sample is only a portion of […]
Data Analytics Portfolio Projects
Are you looking to start a career in data analytics? Are you looking for some portfolio project ideas? […]
Rename a DataFrame Column in Python
As a data professional do you have a Python dataset that might require some column renaming? Why would […]