A startup is collecting IoT data from sensors placed on manufacturing equipment. The sensors send data every five seconds. The data includes a machine identifier, a timestamp, and several numeric values. The startup is developing a model to identify unusual readings. What type of unsupervised learning technique would they use?

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A startup is collecting IoT data from sensors placed on manufacturing equipment. The sensors send data every five seconds. The data includes a machine identifier, a timestamp, and several numeric values. The startup is developing a model to identify unusual readings. What type of unsupervised learning technique would they use?