show_digit: Visualize MNIST digit.

In jlmelville/mnist: Code to Download the MNIST Database of Handwritten Digits

Description

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

Usage

show_digit(df, n, col = grDevices::gray(12:1/12), ...)

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.

Examples

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

## End(Not run)

jlmelville/mnist documentation built on May 19, 2019, 12:47 p.m.