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Showing posts from February, 2019

Interview Questions for Data Scientist Position

What is Machine Learning?  Machine learning is the practice of using algorithms to analyze data, learn from that data and make a determination or prediction about new data. What is Deep Learning? Deep learning (DL) is a sub field of Machine Learning (ML) that uses algorithms inspired by the structure and function of the human brain's neural network called artificial neural network. As a sub field of ML, DL also uses algorithms to analyze data, learn from that data and make a determination or prediction about new data. What is Supervised Learning and Unsupervised Learning?  That learning from data mentioned earlier can happen in two ways: Supervised and Unsupervised. Supervised: Model learns and makes inferences from the data that has been already labeled. Unsupervised: Model learns and makes inferences from unlabeled data. What is Artificial Neural Network (ANN)? ANN are computing systems that are inspired by the human brain's neural network. These network are