Data Engineering Life Cycle
The data engineering life cycle (lifecycle) helps us to look at the bigger picture. It’s tempting to dive […]
Blog
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 […]
Reorder pandas DataFrame Columns
To reorder columns in a Pandas DataFrame, pass into the DataFrame a list of column names in the […]
Groupby Multiple Columns
How do you take a pandas DataFrame of data (dataset) and produce a multi-column bar chart? You can […]
Apply a Custom Function to a DataFrame
How do we apply a custom Python function to a column in a pandas DataFrame? Here we’ll use […]
Python Find Nth Occurrence of Char in a String
In Python, how would you find the Nth occurrence of a character (or substring) in a string? Yes, […]