Created
November 27, 2016 17:28
a unicorn ggplot theme with example charts
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require(ggplot2) | |
require(ggthemes) | |
require(plyr) | |
require(reshape2) | |
library(grid) | |
require(lubridate) | |
require(stringr) | |
options(stringsAsFactors = FALSE) | |
################### | |
## theme | |
#http://www.color-hex.com/color-palette/22646 | |
pal_unicorn <- c("#d695ef", "#ff7cd8", "#ff42c1", "#6696fd", "#6b41e8") | |
# http://www.color-hex.com/color-palette/12376 | |
pal_unicorn2 <- c("#ffd9d9", "#d4a8a8", "#fd9fe1", "#d0b3cc", "#ffeeee") | |
############# color pieces! | |
scale_fill_unicorn <- function(){ | |
structure(list( | |
scale_fill_manual(values=pal_unicorn) | |
)) | |
} | |
scale_color_discrete_unicorn <- function(){ | |
structure(list( | |
scale_color_manual(values=pal_unicorn) | |
)) | |
} | |
scale_color_continuous_unicorn <- function(){ | |
structure(list( | |
scale_color_gradientn(colours = pal_unicorn) | |
)) | |
} | |
################################## | |
theme_unicorn <- function(base_size=12, font=NA){ | |
txt <- element_text(size = base_size+2, colour = "black", face = "plain") | |
bold_txt <- element_text(size = base_size+2, colour = "black", face = "bold") | |
theme_classic(base_size = base_size, base_family = font)+ | |
theme( | |
###### clean up! | |
legend.key = element_blank(), | |
strip.background = element_blank(), | |
########### text basics | |
text = txt, | |
plot.title = txt, | |
axis.title = txt, | |
axis.text = txt, | |
legend.title = bold_txt, | |
legend.text = txt ) + | |
############## AXIS lines | |
theme( | |
axis.line.y = element_line(colour = "pink", size = 1, linetype = "dashed"), | |
axis.line.x = element_line(colour = "pink", size = 1.2,linetype = "dashed"), | |
#### remove Tick marks | |
axis.ticks=element_blank(), | |
### legend top and no title! | |
legend.position = "top", | |
legend.title = element_blank(), | |
legend.key = element_rect(fill = "lightskyblue1", color = "lightskyblue1"), | |
legend.background = element_rect( fill = "lightskyblue1",color = "pink", size = 0.5,linetype = "longdash"), | |
## background | |
plot.background = element_rect(fill = "lightskyblue1",colour = "pink",size = 0.5, linetype = "longdash") | |
) | |
} | |
#################### | |
unicorns <- read.csv("data/unicorn_data.txt", sep="\t") | |
unicorns$Date.Joined <- as.Date(unicorns$Date.Joined, "%m/%d/%Y") | |
unicorns$year <- format(unicorns$Date.Joined , "%Y") | |
unicorns$Valuation...B. <- as.numeric(str_replace_all(unicorns$Valuation...B., "\\$", "")) | |
dd<- ddply(unicorns, .(year, Industry), summarise, N=length(Industry), m= mean(Valuation...B.) ) | |
ddd<- ddply(unicorns, .(Industry), summarise, m= mean(Valuation...B.) ) | |
ddd <- ddd[order(ddd$m, decreasing = T),] | |
d4<- ddply(unicorns, .(Industry), summarise, N=length(Industry), m= mean(Valuation...B.) ) | |
d4 <- d4[order(d4$m, decreasing = T),] | |
###################### | |
## plots | |
# chart #1 | |
ggplot(dd, aes(year, N, color=Industry, fill=Industry)) + geom_bar(stat="identity") + xlab("") + ylab("Number of Unicorns") + theme_unicorn(base_size = 10) | |
## chart #2 | |
windowsFonts(F = windowsFont('Comic Sans MS')) | |
p <- ggplot(ddd[1:5,], aes(reorder(Industry, -m), m, color=Industry, fill=Industry)) + geom_point(size=4, shape="O") | |
p+ theme_unicorn(base_size = 12,font="F") +scale_color_discrete_unicorn()+scale_fill_unicorn() + ylab("Mean Valuation")+ xlab("Industries") | |
## chart #3 | |
library(png) | |
library(grid) | |
## adding an image | |
img <- readPNG(source = "image/unicorn.png") | |
g <- rasterGrob(img, interpolate=TRUE) | |
p <- ggplot(d4, aes(N, m)) + geom_point(size=2, shape=1, color="Pink") | |
p<- p + theme_unicorn(base_size = 10,font="F") +xlab("")+ ylab("Mean Valuation") + xlab("Number of Unicorns") | |
p <- p + annotation_custom(g, xmin=30, xmax=35, ymin=10, ymax=12) | |
p <- p + annotate(geom="text", x=3.5, y=12, label="Transportation", color="lightblue" , family=F) | |
p <- p + annotate(geom="text", x=12, y=11.5, label="On Demand", color="lightblue") | |
p <- p + annotate(geom="text", x=34, y=4, label="Ecommerce", color="lightblue") | |
p | |
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