digits: Digits

In rsvd: Randomized Singular Value Decomposition

Description

Subsampled MNIST database of handwritten digits. This smaller dataset has 3000 samples for each of the digits corresponding to the class labels 0,1,2,3. Each 28x28 image patch is stored as a flattened row vector.

Usage

data('digits')

Format

An object of class rsvd.

References

Y. LeCun, L. Bottou, Y. Bengio, and P. Haffner. "Gradient-based learning applied to document recognition." Proceedings of the IEEE, 86(11):2278-2324, November 1998.

Examples

## Not run: 
library('rsvd')
data('digits')

#Display first digit
digit <- matrix(digits[1,], nrow = 28, ncol = 28)
image(digit[,28:1], col = gray(255:0 / 255))

## End(Not run)   

rsvd documentation built on April 16, 2021, 9:06 a.m.