usps358 {MBCbook}

The handwritten digits usps358 data set

Description

The handwritten digits usps358 data set is a subset of the famous USPS data from UCI, which contains only the 1 756 images of the digits 3, 5 and 8.

Usage

data("usps358")

Format

A data frame with 1756 observations on the following 257 variables: cls is a numeric vector encoding the class of the digits, V1 to V256 are numeric vectors corresponding to the pixels ot the 8x8 images.

Source

The data set is a subset of the famous USPS data from UCI (https://archive.ics.uci.edu/ml/index.php). The usps358 data set contains only the 1 756 images of the digits 3, 5 and 8 which are the most difficult digits to discriminate.

Examples

data(usps358)