How To Make Histograms with Matplotlib in Python?

Histogram with Matplotlib's hist(): Right number of Bins

If you’ve ever stared at a column of numbers in a dataset and struggled to understand its underlying story, you’re not alone. While many libraries can create plots quickly, true mastery of Python visualization comes from understanding Matplotlib—the foundational engine that gives you full control over every detail of your chart. This is where the… Continue reading How To Make Histograms with Matplotlib in Python?

How To Add Dollar Sign on Axis Ticks in Matplotlib

Barplot with dollar sign on axis ticks

In this tutorial, we will see examples of how to add dollar sign on axis ticks while making plots with Matplotlib in Python. While making plots to understand the relationship between currency like US dollars and other variables, it is better to show the Dollar symbol/sign on the axis ticks instead of numbers. import matplotlib.pyplot… Continue reading How To Add Dollar Sign on Axis Ticks in Matplotlib

Connect Paired Data Points in a Scatter Plot in Python (Step-by-Step Guide)

Connect paired data points in a scatter plot with arrowheads and labels

Want to connect paired data points in a scatter plot using Matplotlib? This step-by-step tutorial shows you how to draw lines between paired observations so you can easily visualize before–after comparisons, longitudinal changes, and repeated-measures data. We cover four practical methods — a simple plot() + scatter() combo, looping through groups, efficient LineCollection rendering, and… Continue reading Connect Paired Data Points in a Scatter Plot in Python (Step-by-Step Guide)

How to Add Legend to Scatterplot Colored by a Variable with Matplotlib in Python

Matplotlib Scatter plot with legend

Matplotlib, one of the powerful Python graphics library, has many way to add colors to a scatter plot and specify legend. Earlier we saw a tutorial, how to add colors to data points in a scatter plot made with Matplotlib‘s scatter() function. In this tutorial, we will learn how to add right legend to a… Continue reading How to Add Legend to Scatterplot Colored by a Variable with Matplotlib in Python

How to Combine Two Seaborn plots with Shared y-axis

Combine Two plots into one in Seaborn

In this tutorial, we will see how to join or combine two plots with shared y-axis. As an example, we will make a scatterplot and join with with marginal density plot of the y-axis variable matching the variable colors. Thanks to Seaborn’s creator Michael Waskom’s wonderful tip on how to do this. 👉 Want more?… Continue reading How to Combine Two Seaborn plots with Shared y-axis

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