knn_minkowski_func.py

# Calculate distance between two points

def minkowski_distance(a, b, p=1):
    
    # Store the number of dimensions
    dim = len(a)
    
    # Set initial distance to 0
    distance = 0
    
    # Calculate minkowski distance using parameter p
    for d in range(dim):
        distance += abs(a[d] - b[d])**p
        
    distance = distance**(1/p)
    
    return distance


# Test the function

minkowski_distance(a=X.iloc[0], b=X.iloc[1], p=1)