possible to observe

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In retail, for example, it is characteristics of consumers with the same purchasing trends, consumption behavior or preference for a certain type of service channel.

3. PCA
Principal Component Analysis (PCA) is another hungary mobile database of unsupervised machine learning that aims to transform a set of collected data with common characteristics into a smaller set.

This method, known as Dimensionality Reduction, is non-parametric, linear and agile.

Its use helps reduce the variables to be analyzed and allows noise reduction, processing specific signals and even being incorporated into voice recognition tools.