Data Analysis
Draw meaningful conclusions from data whether you’re a business analysis, data engineer, or data scientist.
Data Analysis
4 Ways To Improve Your Plotly Graphs
Making high-quality data visualizations is a critical skill for Data Scientists. Learn how to get better at it using Plotly's Python library.
Code Snippet Corner
Splitting Columns With Pandas
Split columns containing multiple values in your Pandas DataFrame into multiple columns, each containing a single value.
Code Snippet Corner
Recasting Low-Cardinality Columns as Categoricals
Downcast strings in Pandas to their proper data-types using HDF5.
Code Snippet Corner
Removing Duplicate Columns in Pandas
Dealing with duplicate column names in your Pandas DataFrame.
Pandas
Using Hierarchical Indexes With Pandas
Use Panda's Multiindex to make your data work harder for you.
Pandas
Reshaping Pandas DataFrames
A guide to DataFrame manipulation using groupby, melt, pivot tables, pivot, transpose, and stack.
SQL
Welcome to SQL: Modifying Databases and Tables
Brush up on SQL fundamentals such as creating tables, schemas, and views.
