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10 Best Datasets for Unsupervised Learning [2023]

Unsupervised learning is a type of machine learning where the algorithm is not given labeled data, but must instead find patterns and relationships in the data on its own. This approach is useful for discovering hidden structures in large, complex datasets, and can provide valuable insights into the underlying structure of the data. In this article, we will be exploring the 10 best datasets for unsupervised learning in 2023.

Dataset NameType of DataSizeDownload LinkDescription
MNISTHandwritten Digits70,000 Imageshttp://yann.lecun.com/exdb/mnist/The MNIST dataset contains handwritten digit images with labels, used for unsupervised learning tasks such as clustering and dimensionality reduction.
Fashion MNISTFashion Images70,000 Imageshttps://github.com/zalandoresearch/fashion-mnistThe Fashion MNIST dataset contains fashion images with labels, used for unsupervised learning tasks such as clustering and dimensionality reduction.
CIFAR-10Real-world Images50,000 Imageshttps://www.cs.toronto.edu/~kriz/cifar.htmlThe CIFAR-10 dataset contains real-world images with labels, used for unsupervised learning tasks such as clustering and dimensionality reduction.
IrisIris Flower Data150 Instanceshttps://archive.ics.uci.edu/ml/datasets/IrisThe Iris dataset contains measurements of iris flower data, used for unsupervised learning tasks such as clustering and dimensionality reduction.
WineWine Data178 Instanceshttps://archive.ics.uci.edu/ml/datasets/WineThe Wine dataset contains wine data, used for unsupervised learning tasks such as clustering and dimensionality reduction.
Breast CancerMedical Data569 Instanceshttps://archive.ics.uci.edu/ml/datasets/Breast+Cancer+Wisconsin+%28Diagnostic%29The Breast Cancer dataset contains medical data, used for unsupervised learning tasks such as clustering and dimensionality reduction.
Olivetti FacesFace Images400 Imageshttps://scikit-learn.org/stable/modules/generated/sklearn.datasets.fetch_olivetti_faces.htmlThe Olivetti Faces dataset contains face images, used for unsupervised learning tasks such as clustering and dimensionality reduction.
DigitsHandwritten Digits1,797 Instanceshttps://scikit-learn.org/stable/modules/generated/sklearn.datasets.load_digits.htmlThe Digits dataset contains handwritten digit images, used for unsupervised learning tasks such as clustering and dimensionality reduction.
20 NewsgroupsText Data18,846 Documentshttp://qwone.com/~jason/20Newsgroups/The 20 Newsgroups dataset contains text data, used for unsupervised learning tasks such as clustering and dimensionality reduction.
S-curveSynthetic Data3,000 Instanceshttps://scikit-learn.org/stable/modules/generated/sklearn.datasets.make_s_curve.htmlThe S-curve dataset contains synthetic data, used for unsupervised learning tasks such as clustering and dimensionality reduction.
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