
Machine Learning with BigQuery ML
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In this section, we'll learn the basics of multiclass logistic regression and when this technique can be applied.
Multiclass logistic regression is a classification technique that can be used to categorize events, objects, customers, or other entities into multiple classes. Different from binary logistic regression, this ML algorithm can be used to classify output values into more than two discrete classes.
In order to predict one of the multiple labels, this ML algorithm calculates the probability of each outcome and selects the label with the highest probability.
Being a regression algorithm, the prediction of the label is based on a set of independent variables called features that are used to predict the dependent variable, called a label.
This ML technique can be used to answer business questions, such as the following: