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This script is an easy way to create multiple predictions with explanations at once. Given a dataset and a supervised learning model, every instance in the dataset is predicted (with explanations) with the given model. It outputs a list of the prediction ids.
A variation on the k-means-- algorithm proposed by Sanjay Chawla and Aristides Gionis in their paper "k-means--: A unified approach to clustering and outlier detection".
Given a dataset, a number of clusters k and a number of anomalies l, this script creates a BigML k-means cluster. The l instances that are the farthest from their centroids are removed and another BigML k-means cluster is created. This process is repeated until the Jaccard index of subsequent sets of anomalies passes some threshold, or until some maximum number of iterations.
Inputs:
dataset: the dataset of interest
k: the number of clusters desired
l: the number of anomalies to be removed at each step
threshold: the minimum desired Jaccard index between iterations
maximum: the maximum number of desired iterations
Outputs:
cluster: the cluster id of the final cluster
dataset-id: the original dataset appended with fields for cluster membership and distance to centroid
anomalies: a list of the anomalous instances
similarities: a list of the similarity coefficients from each step
