usps358: The handwritten digits usps358 data set

In MBCbook: Companion Package for the Book "Model-Based Clustering and Classification for Data Science" by Bouveyron et al. (2019, ISBN:9781108644181).

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)

Example output

Loading required package: mclust
Package 'mclust' version 5.4.7
Type 'citation("mclust")' for citing this R package in publications.
Loading required package: Rmixmod
Loading required package: Rcpp
Rmixmod v. 2.1.5 / URI: www.mixmod.org
Loading required package: MASS
Loading required package: mvtnorm

Attaching package: ‘mvtnorm’

The following object is masked from ‘package:mclust’:

    dmvnorm

MBCbook documentation built on July 2, 2019, 9:08 a.m.