what is the role of lambda in Lasso Regression

controls the amount of penalty applied to regression coefficients

Determining the learning rate for updating the coefficients

represents the intercept term in lasso regression equation

used to calculate the residual sum of squares

What is the purpose of feature scaling in machine learning?

To standardize or normalize features to a similar scale

To eliminate missing values from the dataset

To convert categorical variables into numerical representations

To select the most relevant features for the model

What is the purpose of cross-validation in machine learning?

To estimate the performance of a model on unseen data

To split the dataset into training and testing sets

To find the best hyperparameters for a model

To visualize the data in higher dimensions

Which of the following is a limitation of the k-nearest neighbors (KNN) algorithm?

It is computationally expensive for large datasets

It requires labeled training data

It is sensitive to feature scaling

It cannot handle missing values in the datase

What is the purpose of regularization in machine learning?

To prevent overfitting by adding a penalty term to the loss function

To speed up the training process by parallelizing computations

To reduce bias in the model by adjusting the learning rate

To remove outliers from the dataset

What does the term "bias-variance tradeoff" refer to in machine learning?

The tradeoff between underfitting and overfitting

The tradeoff between the complexity of a model and its performance

The tradeoff between training time and testing time

The tradeoff between accuracy and precision

What is the purpose of the gradient descent algorithm in machine learning?

To find the optimal values of model parameters that minimize the loss function

To identify outliers in the dataset

To visualize high-dimensional data

What is the purpose of an activation function in a neural network?

To introduce non-linearity into the network

To determine the number of layers in the network

To initialize the weights and biases of the network

To compute the gradient of the loss function

What is the primary difference between a shallow neural network and a deep neural network?

The number of hidden layers in the network

The type of activation function used

The learning rate of the network

What is the purpose of dropout regularization in deep learning?

To prevent overfitting by randomly disabling neurons during training

To reduce the computational complexity of the network

To improve the accuracy of the network by adjusting the learning rate

To remove outliers from the dataset

What is the purpose of transfer learning in deep learning?

To transfer knowledge from one domain to another

To transfer knowledge from shallow networks to deep networks

To transfer knowledge from unsupervised learning to supervised learning

What is the purpose of an embedding layer in natural language processing (NLP)?

To convert text data into numerical representations

To visualize high-dimensional data

To identify outliers in the dataset

What are cost functions, regularization, feature selection, and hyperparameters?

Measure accuracy, prevent over-fitting, select important features, unlearnable parameters

Measure accuracy, prevent under-fitting, select all features, learnable parameters

Measure accuracy, prevent over-fitting, select all features, learnable parameters

Measure accuracy, prevent under-fitting, select important features, unlearnable parameters

What is the purpose of the Adam optimizer in deep learning?

To update the network weights based on adaptive learning rates

To initialize the weights and biases of the network

To compute the gradient of the loss function

Which of the following is an example of a convolutional neural network (CNN) application?

To reduce the dimensionality of the input data

To add non-linearity to the network

To adjust the learning rate of the network

To compute the gradient of the loss function

Which of the following is a drawback of using a high learning rate in gradient descent?

Slow convergence to the optimal solution

Which of the following is a drawback of using a high learning rate in gradient descent?

Slow convergence to the optimal solution

What is the purpose of data augmentation in deep learning?

To increase the size of the training dataset

To reduce the dimensionality of the input data

To add noise to the training data

What is the purpose of the word2vec algorithm in natural language processing (NLP)?

To convert text data into numerical representations

To visualize high-dimensional data

To identify outliers in the dataset

What is the purpose of the batch normalization technique in deep learning?

To normalize the activations of each layer in the network

To reduce the computational complexity of the network

To prevent overfitting by adding a penalty term to the loss function

Introduction to Machine Learning

Quiz

•

Computers

•

University

•

Practice Problem

•

Medium

Anirudhhan Raghuraman

Used 1+ times

FREE Resource

40 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following best describes machine learning?

A computer programming language

A branch of artificial intelligence

A type of hardware architecture A mathematical equation

A mathematical equation

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main goal of supervised learning?

To classify data into distinct categories

To predict numerical values based on input data

To discover hidden patterns or structures in data

To optimize performance by trial and error

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is an example of unsupervised learning?

Image Recognition

Sentiment Analysis

Clustering customer data

Fraud Detection

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of a training set in machine learning?

To evaluate the performance of a model

To fine-tune hyperparameters

To test the generalization of a model

To train a model to make predictions

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following algorithms is commonly used for decision tree learning?

K-means clustering

SVM

Random Forest

Naive Bayes

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the term "overfitting" mean in machine learning?

The model fails to capture the underlying patterns in the data

The model performs well on the training data but poorly on new data

The model is too simple to represent complex relationships in the data

The model is too large to fit into the available memory

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following evaluation metrics is commonly used for classification problems?

MSE

AUC

R-Squared

RMSE

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