Which of the following is an example of a clustering algorithm?(1 Point)Decision treeRandom forestK-meansGradient descent

Which of the following is NOT a clustering algorithm, commonly used in Unsupervised Learning?a.Random Forestb.DBSCANc.K-Meansd.Hierarchical Clustering

Which of the following is NOT a type of clustering?  Answer areaHierarchical clusteringDensity-based clusteringAgglomerative clusteringDecision tree clustering

Identify the clustering method which takes care of variance in data(1 Point)Decision treeGaussian mixture modelK meansAll of the above

What is a decision tree algorithm used for?1 pointa. Classificationb. Regressionc. Clusteringd. Dimensionality reduction

Question 1The objective of k-means clustering is:1 pointSeparate dissimilar samples and group similar onesMinimize the cost function via gradient descentYield the highest out of sample accuracyMaximize the number of correctly classified data points