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Unsupervised Machine Learning: What is, Algorithms, Example
By Prof. João Cláudio Nunes Carvalho What is Unsupervised Learning? Unsupervised Learning is a machine learning technique in which the users do not need to supervise the model. Instead, it allows the model to work on its own to discover patterns and information that was previously undetected. It mainly deals with the unlabelled data.] Unsupervised Learning Algorithms Unsupervised Learning Algorithms allow users to perform more complex processing tasks compared to supervised learning. Although, unsupervised learning can be more unpredictable compared with other natural learning methods. Unsupervised learning algorithms include clustering, anomaly detection, neural networks, etc. Example of Unsupervised Machine Learning Let's, take an example of Unsupervised Learning for a baby and her family dog. She knows and identifies this dog. Few weeks later a family friend brings along a dog and tries to play with the baby. Baby has not seen this dog earlier. But it recognizes many features
Macetes para administradores Linux
Um bom artigo da IBM DeveloperWorks com 10 dicas para o administrador de sistemas Linux . Mas mesmo que você não seja bem um administrador de sistemas pode se deparar com alguns dos problemas. Vale a pena a leitura, nem que seja pela curiosidade. Para os preguiçosos, segue a lista de truques (em inglês): Trick 1: Unmounting the unresponsive DVD drive Trick 2: Getting your screen back when it's hosed Trick 3: Collaboration with screen Trick 4: Getting back the root password Trick 5: SSH back door Trick 6: Remote VNC session through an SSH tunnel Trick 7: Checking your bandwidth Trick 8: Command-line scripting and utilities Trick 9: Spying on the console Trick 10: Random system information collection
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