From the course: Data Science Foundations: Data Mining in Python
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Hierarchical clustering - Python Tutorial
From the course: Data Science Foundations: Data Mining in Python
Hierarchical clustering
- [Instructor] One of the most useful methods for cluster analysis is an exploratory method called a hierarchical clustering. And what makes it exploratory is it actually shows you every possible level of clustering in your data. It's a very common approach, and it has a great visual output. So let's start by loading a number of packages including sklearn and scipy for clustering and visualization. I'm going to load the penguins dataset from the CSV file that I saved previously. And I'm actually going to reduce the number of cases because the graph that we're going to make actually labels every individual case. And if you have a lot, you just can't read it. And we're going to also separate the class variable, drop it from the original dataset, and take a look at the remaining data. So what we have here are the measurements of bill length, bill depth, flipper length, and body mass for five penguins, and we have saved…
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