start new:
tmux
start new with session name:
tmux new -s myname
# Load the MNIST digit recognition dataset into R | |
# http://yann.lecun.com/exdb/mnist/ | |
# assume you have all 4 files and gunzip'd them | |
# creates train$n, train$x, train$y and test$n, test$x, test$y | |
# e.g. train$x is a 60000 x 784 matrix, each row is one digit (28x28) | |
# call: show_digit(train$x[5,]) to see a digit. | |
# brendan o'connor - gist.github.com/39760 - anyall.org | |
load_mnist <- function() { | |
load_image_file <- function(filename) { |
# data from http://ec.europa.eu/eurostat/web/gisco/geodata/reference-data/population-distribution-demography/geostat | |
# Originally seen at http://spatial.ly/2014/08/population-lines/ | |
# So, this blew up on both Reddit and Twitter. Two bugs fixed (southern Spain was a mess, | |
# and some countries where missing -- measure twice, submit once, damnit), and two silly superflous lines removed after | |
# @hadleywickham pointed that out. Also, switched from geom_segment to geom_line. | |
# The result of the code below can be seen at http://imgur.com/ob8c8ph | |
library(tidyverse) |