show_mnist_digit: Visualize MNIST digit.

In jlmelville/snedata: SNE Simulation Dataset Functions

Visualize MNIST digit.

Description

Display an MNIST digit as an image the hand-written digit represented by the nth row in a data frame.

Usage

show_mnist_digit(df, n, col = grDevices::gray(1:255/255), ...)

Arguments

df	Data frame containing MNIST digits.
n	Row index of the digit to display.
col	List of colors to use in the display.
...	Other arguments passed onto the image function.

Note

Originally based on a function by Brendan O'Connor, which can be found at https://gist.github.com/brendano/39760.

Examples

## Not run: 
# show the fifth digit
mnist <- download_mnist()
show_mnist_digit(mnist, 5)

## End(Not run)

jlmelville/snedata documentation built on Jan. 13, 2024, 2:06 a.m.