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Python lists store an ordered collection of items that can be of different types. After defining a list, it’s possible to update the individual items in a list. Here’s how.
This Python dictionary tutorial covers how to define and access values in a dictionary, how to iterate through a dictionary and various dictionary methods.
Principal component analysis (PCA) in Python can be used to speed up model training or for data visualization. This tutorial covers both using scikit-learn.
A z-table, or standard normal table, reveals what percentage of values fall below a certain z-score in a normal distribution. Here’s how to use one and create your own.
Boxplots are graphs that tell you how your data’s values are spread out. Here’s how to read a boxplot and even create your own.
The empirical rule, also known as the 68-95-99.7 rule, represents the spread of data within a normal distribution. Here’s what you need to know.
Train test split is a model validation procedure that reveals how your model performs on new data. Here’s how to apply it.