Retrieving Nearest Neighbors

Retrieving Nearest Neighbors with KNN

Function Signature

def classify_neighbors(self, query_point):

Parameters

• query_point: The point for which the nearest neighbors are to be determined.

Return Value

Returns the indices of the k nearest neighbors to the query_point based on the stored values in the KNN instance.

Description

The classify_neighbors function retrieves the indices of the k nearest neighbors for a given query_point based on the stored values in the KNN instance.

It's important to note that the store_vals function must be called prior to using the classify_neighbors function to ensure that the necessary values are stored in the KNN instance.

Examples

from deeprai.models import KNN

# Sample data
x_vals = [[1, 2], [2, 3], [3, 4]]
y_vals = [0, 1, 0]
query_point = [2, 2]

# Create an instance of the classifier
classifier = KNN()

# Store the values in the classifier
classifier.store_vals(x_vals, y_vals, p=3, k=2)

# Retrieve the nearest neighbors of the query_point
neighbors = classifier.classify_neighbors(query_point)
print(f"The indices of the nearest neighbors to the query point are: {neighbors}")