Data to AI Workflow and Machine Learning Basics Quiz
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Questions and Answers

What type of learning uses labeled data with a specific goal?

  • Supervised Learning (correct)
  • Unsupervised Learning
  • Semi-supervised Learning
  • Reinforcement Learning
  • In machine learning, what is used for predicting a categorical variable like 'cat' or 'dog'?

  • Linear Regression
  • Association Rule Learning
  • K-means Clustering
  • Logistic Regression (correct)
  • What is the step in data preparation that involves creating features that contribute to a prediction?

  • Data Ingestion
  • Neural Networks
  • Feature engineering (correct)
  • PubSub
  • Which type of layer in an Artificial Neural Network (ANN) sums each input multiplied by a weight?

    <p>Hidden layer</p> Signup and view all the answers

    What should you do if the loss function oscillates during training?

    <p>Lower the learning rate</p> Signup and view all the answers

    Which activation function converts the input to a value between 0 and 1 for binary class classification?

    <p>Sigmoid</p> Signup and view all the answers

    What is used to calculate the difference between the NN prediction and the actual result?

    <p>Mean square error (MSE)</p> Signup and view all the answers

    What does precision measure in the context of machine learning?

    <p>How many selected items are relevant</p> Signup and view all the answers

    Which option provides the highest level of control and parameter tuning in AI model training?

    <p>Custom training</p> Signup and view all the answers

    Which layer in TensorFlow provides building blocks to create machine learning model like neural network layers and evaluation metrics?

    <p>TF model libraries</p> Signup and view all the answers

    What type of learning uses unlabeled data for pattern recognition?

    <p>Unsupervised learning</p> Signup and view all the answers

    Which technique is used for predicting a numeric value like forecasting sales in machine learning?

    <p>Linear regression</p> Signup and view all the answers

    What step in data preparation involves creating features that contribute to a prediction?

    <p>Feature engineering</p> Signup and view all the answers

    Which layer of an Artificial Neural Network (ANN) has the weighted sum of hidden layers?

    <p>Output layer</p> Signup and view all the answers

    What should be done to address a situation where the model doesn't fit well or converge?

    <p>Increase the number of epochs</p> Signup and view all the answers

    Which function is responsible for converting a linear network to a non-linear network?

    <p>ReLU (rectified linear unit)</p> Signup and view all the answers

    In the context of machine learning, what does gradient descent aim to find?

    <p>Minimum cost function</p> Signup and view all the answers

    Which activation function is suitable for multi-class classification where the output is a probability distribution?

    <p>Softmax function</p> Signup and view all the answers

    What should be the initial approach to batch size when training a model?

    <p>Start with a higher batch size and decrease until it is no longer stable</p> Signup and view all the answers

    Which TensorFlow abstraction layer provides basic and numeric processing functions?

    <p>Core TensorFlow (C++, Python)</p> Signup and view all the answers

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