Nearest Neighbor Algorithm

Nearest Neighbor algorithm is a type of __________ Learning

• Supervised

• Unsupervised

• Reinforcement

• None of these

What is the primary goal of the nearest neighbor algorithm in machine learning?

• Feature Selection

• Clustering

• Classification

• Dimensionality reduction

What is the fundamental idea behind the simple nearest neighbor algorithm?

• Clustering data points into groups

• Reducing the dimensionality of the dataset

• Predicting a target value based on the values of its nearest neighbors

• Performing dimensionality reduction

In the context of the simple nearest neighbor algorithm, what is the term "nearest neighbor" referring to?

• The data point with the highest class probability

• The data point that is closest to the centroid of the dataset

• The data point that has the maximum number of features

• The data point in the training set that is most similar to a given test point

What does the "nearest neighbor" algorithm typically require to make predictions for new data points?

• A dataset with labeled examples

• A dataset with Un-labeled examples

Which of the following statements about the simple nearest neighbor algorithm is true?

• It works best when the dataset has more number of features.

• It works best when the dataset has a small number of features.

• It works best when the dataset has no features

• None of these

What are the parameters used in training your color detection model using Zumi?

• Hue

• Saturation

• Brightness

• All of these

What type of machine learning problem does the simple nearest neighbor algorithm primarily address?

• Unsupervised learning

• Supervised learning

• Reinforcement learning

• Semi-supervised learning

What happens when the clusters of dataset and their labels are very distinct from each other (Vibrant colors)?

• Model Performs Best

• Model Performs Worst

What happens when nearest neighbor algorithm is trained with data of similar features (Eg: Colors of same shade)?

• Model performs Good

• Model performs Bad