Some extra themes and scales for ggplot, and they are used on Seqrise platform.
theme_seqrise_classic: a theme resembling the default base graphics in R.theme_seqrise_grid: a theme based on R default graphics, but with borders and grids on backgroud.
scale_colour_seqrise,scale_fill_seqrise: classical discrete colour palettes.scale_colour_gradient_seqrise,scale_fill_gradient_seqrise: sequential colour palettes.scale_colour_continuous_seqrise,scale_fill_continuous_seqrise: sequential colour palettes.scale_colour_gradient2_seqrise,scale_fill_gradient2_seqrise: diverging colour gradient palettes.
To install the development version from github, use the devtools package:
library("devtools")
install_github(c("linruichai/seqriseR"))Contributions are welcome! If you would like to add a theme, scales,etc., fork the repository, add your theme, and submit a pull request.
library('ggplot2')
library('seqriseR')
library('scales')
library('reshape2')
p <- ggplot(diamonds, aes(x = clarity, fill = cut)) + geom_bar()Theme resembling the base graphics in R, without top and right borders:
p + theme_seqrise_classic()
Change bar colors using scale_fill_seqrise:
p + theme_seqrise_classic() + scale_fill_seqrise('seqrise9') 
Adjust graphic elements after applying classic theme:
p + theme_seqrise_classic(base_size = 14, base_family = 'Helvetica') +
scale_fill_seqrise('seqrise9') +
scale_y_continuous(expand=c(0,0)) +
theme(legend.title = element_blank(),
axis.text.x = element_text(angle = 45, hjust = 1))
A theme that approximates the style of classic theme, but with borders around and add gray grid on background:
p + scale_fill_seqrise('seqrise9') + theme_seqrise_grid(base_size = 12) 
Both classic and grid themes accept base_size (default is 14) and base_family (default is 'Helvetica') as parameters.
Some colour and fill scales used on Seqrise platform.
p1 <- ggplot(mtcars) +
geom_point(aes(x = wt, y = mpg, colour=factor(gear))) +
facet_wrap(~am) +
theme_seqrise_grid()
p1 + scale_color_seqrise('seqrise9')
The following three color palletes can be accepted as parameters: 'seqrise9', 'seqrise9light', 'seqrise18'. The default is 'seqrise9'.
show_col(seqrise_color_pal('seqrise9')(9))
show_col(seqrise_color_pal('seqrise9light')(9))
show_col(seqrise_color_pal('seqrise18')(18))
df <- data.frame(
x = runif(100),
y = runif(100),
z1 = rnorm(100),
z2 = abs(rnorm(100))
)
p2 <- ggplot(df, aes(x, y)) + geom_point(aes(colour = z2)) + theme_seqrise_classic()
p2 + scale_color_gradient_seqrise('Blue')
mat = matrix(rnorm(96),8)
m = melt(mat)
p3 <- ggplot(m, aes(x = Var1, y = Var2, fill = value)) +
geom_tile(color="white", size=0.1) +
xlab('X-labels') + ylab('Y-labels') +
theme_seqrise_classic() +
theme(axis.line = element_blank(),
axis.ticks = element_blank(),
axis.text.x = element_blank(),
axis.text.y = element_blank())
p3 + scale_fill_gradient_seqrise('Blue')
So far, only the parameter 'Blue' is accepted for sequential color palette.
p2 + scale_color_gradient2_seqrise('Blue-White-Red')
The following three color palletes can be accepted as parameters: 'Blue-White-Red', 'Green-Black-Red', 'Yellow-Orange-Red', and the default is 'Blue-White-Red'.
x <- seq(-1, 1, length = 100)
r <- sqrt(outer(x^2, x^2, '+'))
image(r, col = seqrise_div_gradient_pal('Blue-White-Red')(seq(0, 1, length = 12)))
image(r, col = seqrise_div_gradient_pal('Green-Black-Red')(seq(0, 1, length = 12)))
image(r, col = seqrise_div_gradient_pal('Yellow-Orange-Red')(seq(0, 1, length = 12)))
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