2. Deep Learning and Variants_Session 2_20240120 - Neural Networks for Classification Quiz
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2. Deep Learning and Variants_Session 2_20240120 - Neural Networks for Classification Quiz

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@PalatialRelativity

Questions and Answers

What is the purpose of using logistic regression with the MTcars dataset?

To estimate the probability of a car having manual transmission based on its engine power and weight

What is a limitation of a single perceptron model?

It cannot handle non-linear data effectively

What does the region below the line in the perceptron model signify?

Negative output values

How does a single perceptron handle non-linearity in data?

<p>By converting non-linear data into linear form</p> Signup and view all the answers

What are neurons like sigmoid et al. used for in deep learning?

<p>To represent activation functions in neural networks</p> Signup and view all the answers

Based on biological inspiration, what would intuition suggest when dealing with non-linear data using a single perceptron model?

<p>Use multiple layers of neurons like the human brain does</p> Signup and view all the answers

What is a key characteristic of a one hidden layer network?

<p>It can learn any function</p> Signup and view all the answers

In Artificial Neural Networks, what do hyper-parameters refer to?

<p>Parameters like activation functions and network structure</p> Signup and view all the answers

What is the purpose of using the softmax activation function in the output layer of a neural network?

<p>To convert raw scores into probabilities for multi-class classification</p> Signup and view all the answers

Which type of neural network is specifically designed for problems with non-linear relationships between inputs and outputs?

<p>Feed Forward Neural Network</p> Signup and view all the answers

What is the primary role of the transformation matrix in neural networks?

<p>It represents all the connections between neurons as a matrix</p> Signup and view all the answers

What distinguishes Multi Layer Perceptrons from traditional perceptrons?

<p>MLPs have multiple hidden layers, while perceptrons have only one</p> Signup and view all the answers

Which function is often used for the activation of neurons in the output layer of a neural network for regression problems?

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

What does the term 'hyper-parameters' typically refer to in the context of Artificial Neural Networks?

<p>Network structure and activation functions</p> Signup and view all the answers

In a neural network, which function is commonly used in the output layer for multi-class classification problems?

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

What is the primary role of a transformation matrix in a neural network?

<p>Changing representation space</p> Signup and view all the answers

Which of the following is NOT a hyper-parameter in an Artificial Neural Network?

<p>Weights and bias initialization method</p> Signup and view all the answers

For what type of problem is the Sigmoid activation function particularly useful in a neural network?

<p>Classification problems</p> Signup and view all the answers

What distinguishes Multi Layer Perceptrons from traditional perceptrons?

<p>Non-linearity handling capability</p> Signup and view all the answers

In deep learning, what do parameters like 'Number of hidden layers' and 'Number of neurons' represent?

<p>'Hyper-parameters'</p> Signup and view all the answers

What is a key characteristic of a Multi Layer Perceptron (MLP)?

<p>Consists of multiple hidden layers</p> Signup and view all the answers

What type of activation function is often employed in the output layer for binary classification problems?

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

What model is used to estimate the probability of a vehicle being fitted with a manual transmission using the MTcars dataset?

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

In logistic regression, what does a positive value output by a single perceptron represent?

<p>Region above the line</p> Signup and view all the answers

Why is a single perceptron not suitable for handling non-linear data?

<p>It can't create a boundary beyond linear regions</p> Signup and view all the answers

What is the limitation of a single perceptron when dealing with binary classification similar to the 'Will it work here?' example provided?

<p>It cannot represent non-linear decision boundaries</p> Signup and view all the answers

Based on biological inspiration, what approach would intuition suggest when dealing with non-linear data using artificial neurons?

<p>Combine multiple layers of neurons</p> Signup and view all the answers

What is the primary role of the sigmoid function in artificial neural networks?

<p>Handle non-linear relationships</p> Signup and view all the answers

In the given logistic regression formula, what does the term 'hp' represent?

<p>Horsepower of the engine</p> Signup and view all the answers

'Will it work here?' table demonstrates an issue faced by which type of model due to its linearity?

<p>'Perceptron' model</p> Signup and view all the answers

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