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perplexity = 4 0 is used in all T - SNE throughout this problem. Compute the mean value of the data points in each
"perplexity is used in all TSNE throughout this problem.
Compute the mean value of the data points in each cluster that you found using Kmeans. For this computation of mean, use the data in full original dimensions instead of the PCA projections so if the data matrix is and you found clusters, your cluster means should be vectors in dimensions.
Visualize the cluster means in dimensional space using MDS and PCA. Which of the following best explains the difference between these two plots and the TSNE plot? Choose all that apply.
Grading note: This question will be regraded to accept answers that either include or not include the first option.
The MDS and PCA plots confirm there are groups of clusters, one group with cluster mean and two groups with cluster means each.
The TSNE plots confirm there are groups of clusters, one group with cluster mean and two groups with cluster means each.
The PCA and MDS plots show relatively accurate representation of distances, with one cluster means far away from the others, indicating a different type of cell.
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