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Preprocessing per il Machine Learning in Python
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Aggiornato 12/2025Inizia Il Corso Gratis
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PythonMachine Learning4 h20 video62 Esercizi4,700 XP64,655Attestato di conseguimento
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Prerequisiti
Cleaning Data in PythonSupervised Learning with scikit-learn1
Introduction to Data Preprocessing
In this chapter you'll learn exactly what it means to preprocess data. You'll take the first steps in any preprocessing journey, including exploring data types and dealing with missing data.
2
Standardizing Data
This chapter is all about standardizing data. Often a model will make some assumptions about the distribution or scale of your features. Standardization is a way to make your data fit these assumptions and improve the algorithm's performance.
3
Feature Engineering
In this section you'll learn about feature engineering. You'll explore different ways to create new, more useful, features from the ones already in your dataset. You'll see how to encode, aggregate, and extract information from both numerical and textual features.
4
Selecting Features for Modeling
This chapter goes over a few different techniques for selecting the most important features from your dataset. You'll learn how to drop redundant features, work with text vectors, and reduce the number of features in your dataset using principal component analysis (PCA).
5
Putting It All Together
Now that you've learned all about preprocessing you'll try these techniques out on a dataset that records information on UFO sightings.
Preprocessing per il Machine Learning in Python
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