Dataset dimensions
Before training any model, you must know the shape of your data.
0
Samples
0
Features (pixels)
0
Classes (digits 0-9)
8 x 8
Image size
Explore any sample
Enter an index (0-1796) or use ← → arrow keys to browse.
Sample 0
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Think Deeper
Try this:
In the Explore tab, try entering index 1797. What happens? Why?
Index out of range — there are only 1,797 samples (indices 0–1796). In production, your model only knows what it was trained on. Data outside that range is out of distribution.
Cybersecurity tie-in: The shape of your data tells you everything about
the problem. 1,797 samples x 64 features. In a network dataset it might be 500,000
connections x 12 features. Same structure. Same tools.