Top "Knn" questions

In pattern recognition, k-nearest neighbors (k-NN) is a classification algorithm used to classify example based on a set of already classified examples.

Getting TypeError: '(slice(None, None, None), 0)' is an invalid key

Trying to plot the decision Boundary of the k-NN Classifier but is unable to do so getting TypeError: '(slice(…

python machine-learning knn
Value of k in k nearest neighbor algorithm

I have 7 classes that needs to be classified and I have 10 features. Is there a optimal value for k that …

classification knn
Missing value imputation in python using KNN

I have a dataset that looks like this 1908 January 5.0 -1.4 1908 February 7.3 1.9 1908 March 6.2 0.3 1908 April NaN 2.1 1908 May NaN 7.7 1908 June 17.7 8.7 1908 July NaN 11.0 1908 August 17.5 9.7 1908 …

python scikit-learn knn
Error with knn function

I try to run this line : knn(mydades.training[,-7],mydades.test[,-7],mydades.training[,7],k=5) but i always get …

r knn
KNN classification with categorical data

I'm busy working on a project involving k-nearest neighbour regression. I have mixed numerical and categorical fields. The categorical values …

matlab octave classification knn ordinal
K nearest neighbour in python

I would like to calculate K-nearest neighbour in python. what library should i use?

python scipy knn
K-nearest neighbour C/C++ implementation

Where can I find an serial C/C++ implementation of the k-nearest neighbour algorithm? Do you know of any library …

c++ c parallel-processing nearest-neighbor knn
how to measure the accuracy of knn classifier in python

I have used knn to classify my dataset. But I do not know how to measure the accuracy of the …

python python-2.7 machine-learning scikit-learn knn
Sklearn kNN usage with a user defined metric

Currently I'm doing a project which may require using a kNN algorithm to find the top k nearest neighbors for …

python knn
Finding K-nearest neighbors and its implementation

I am working on classifying simple data using KNN with Euclidean distance. I have seen an example on what I …

matlab machine-learning classification knn