3 ms·
Do you have an example of the groups ( = output) and what you are using as variables for input ? Eg. Wouldn't KNN be easier if you want to classify new groups
by NicoJuicy 5y ago
Do you have an example of the groups ( = output) and what you are using as variables for input ?
Eg. Wouldn't KNN be easier if you want to classify new groups later on? I'm probably missing something, but defining the groups upfront seems more labor intensive ( note: novice in this area )
- dilyevsky 5y agoNot tp but I’ve tried using k-means for similar task and and LDA and found LDA to be better. Particularly if your documents have mixture of topics
- jacquesm 5y agoWell, you don't so much define the groups up front as that you define the number of groups up front, the distance function is what will eventually result in the mapping of inputs to groups if you use the groups (for instance: sample texts in those groups) as a part of the scoring system.
- flashfaffe2 5y agoDepending on the task but using K- means implies you have have idea of the clusters you might have ( unsupervised learning). KNN assumes the groups already exist.