baptiste

fun_labels <- function(x) sprintf("<b>%s</b>", x)
  
ggplot() +
  scale_x(breaks = c('a','b','c')) +
  theme(axis.label = element_sticker(grob = fancyGrob, dictionary = fun_labels))

my_labels <- tibble(label = letters[1:3], grobs = I(lapply(1:3, fancyGrob)))

thomasp85

library(future)
trim_model <- function(model, predictor = predict, ..., ignore_warnings = TRUE) {
  # Cache the correct output
  true_pred <- predictor(model, ...)
  
  # Treat prediction warnings as errors?
  if (!ignore_warnings) {
    old_ops <- options(warn = 2)
    on.exit(options(old_ops))
  }

sfirke

library(ggplot2)
library(dplyr)
library(grid)
library(gridExtra)

add_centered_title <- function(p, text, font_size){
  
  title.grob <- textGrob(
    label = text,
    gp = gpar(fontsize = font_size,

jennybc

library(tidyverse)
(df <- tibble(
  x = c(1, NA, 3, NA),
  y = c(1, NA, NA, 4),
  z = 1:4
))
#> # A tibble: 4 × 3
#>       x     y     z
#>   <dbl> <dbl> <int>
#> 1     1     1     1

baptiste

library(ggplot2)
library(grid)

d <- data.frame(x=rnorm(50), y=rnorm(50), f1 = rep(gl(5,5), 2), f2 = gl(2, 25))
p <- ggplot(d, aes(x,y, group=interaction(f1,f2))) +
  geom_line(aes(colour=f1, linetype=f2)) +
  geom_point(aes(colour=f1, shape=f1)) 

jimhester

``` r
`?` <- function(x, y) {
  y <- substitute(y)
  if (!is.call(y) || !identical(as.symbol(":"), y[[1]])) stop("Invalid", call. = FALSE)
  eval(call("if", x, y[[2]], y[[3]]))
}

T ? 1
#> Error: Invalid

Myfanwy

# requires Megrim font: https://fonts.google.com/specimen/Megrim
if(FALSE) {
install.packages("extrafont")
extrafont::loadfonts()
}

library(ggplot2)

ggplot() + 
  scale_x_continuous(expand = c(0,0)) +

noamross

library(tidyverse)
library(igraph)
library(ggraph)
library(gganimate)
library(ggforce)

#File at https://dl.dropbox.com/s/hxmsut19lelgw33/epinetwork.rds
episim <- readRDS("epinetwork.rds") # Saved is the simulation data and an adjacency matrix for the network
# Create an undirected graph from this matrix
ign <- graph_from_adjacency_matrix(episim$network > 0, "undirected")