Created
December 8, 2013 22:19
Example of plot.stacked and plot.stream functions
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
library(devtools) | |
source_url('https://gist.github.com/menugget/7689145/raw/dac746aa322ca4160a5fe66c70fec16ebe26faf9/image.scale.2.r') | |
source_url('https://gist.github.com/menugget/7864454/raw/f698da873766347d837865eecfa726cdf52a6c40/plot.stream.4.R') | |
source_url('https://gist.github.com/menugget/7864471/raw/8127dfaae183233d203580bc247a73a564d5feab/plot.stacked.2.R') | |
set.seed(1) | |
m <- 500 | |
n <- 30 | |
x <- seq(m) | |
y <- matrix(0, nrow=m, ncol=n) | |
colnames(y) <- seq(n) | |
for(i in seq(ncol(y))){ | |
mu <- runif(1, min=0.25*m, max=0.75*m) | |
SD <- runif(1, min=5, max=20) | |
TMP <- rnorm(1000, mean=mu, sd=SD) | |
HIST <- hist(TMP, breaks=c(0,x), plot=FALSE) | |
fit <- smooth.spline(HIST$counts ~ HIST$mids) | |
y[,i] <- fit$y | |
} | |
y <- replace(y, y<0.01, 0) | |
#Plot Ex. 1 - Color by max value | |
pal <- colorRampPalette(c(rgb(0.85,0.85,1), rgb(0.2,0.2,0.7))) | |
BREAKS <- pretty(apply(y,2,max),8) | |
LEVS <- levels(cut(1, breaks=BREAKS)) | |
COLS <- pal(length(BREAKS )-1) | |
z <- val2col(apply(y,2,max), col=COLS) | |
png("stacked_stream_color_by_max.png", width=7, height=6, units="in", res=400) | |
layout(matrix(1:3, nrow=3, ncol=1), widths=7, heights=c(2.5,2.5,1), respect=TRUE) | |
par(mar=c(2,4,2,1), cex=0.75) | |
plot.stacked(x,y, xlim=c(100, 400), ylim=c(0, 1.2*max(apply(y,1,sum), na.rm=TRUE)), yaxs="i", col=z, border="white", lwd=0.5) | |
mtext("Stacked plot", line=0.25, side=3) | |
box() | |
plot.stream(x,y, xlim=c(100, 400), center=TRUE, order.method="max", spar=0.3, frac.rand=0.2, col=z, border="white", lwd=0.5) | |
mtext("Stream plot", line=0.25, side=3) | |
box() | |
par(mar=c(1,4,0,1)) | |
plot(1,t="n", xlab="", ylab="", axes=FALSE) | |
legend("center", legend=LEVS, border="white", fill=COLS, ncol=5, bty="n", title="Max value") #pch=22, pt.bg=COL) | |
dev.off() | |
#Plot Ex. 2 - Color by first value | |
ord <- order(apply(y, 2, function(r) min(which(r>0)))) | |
y2 <- y[, ord] | |
pal <- colorRampPalette(c("blue", "cyan", "yellow", "red")) | |
z <- pal(ncol(y2)) | |
png("stacked_stream_color_by_first.png", width=7, height=5, units="in", res=400) | |
layout(matrix(1:2, nrow=2, ncol=1), widths=7, heights=c(2.5,2.5), respect=TRUE) | |
par(mar=c(2,4,2,1), cex=0.75) | |
plot.stacked(x,y2, xlim=c(100, 400), ylim=c(0, 1.2*max(apply(y2,1,sum), na.rm=TRUE)), yaxs="i", col=z, border=1, lwd=0.25) | |
mtext("Stacked plot", line=0.25, side=3) | |
box() | |
plot.stream(x,y2, xlim=c(100, 400), center=FALSE, order.method="max", spar=0.1, frac.rand=0.05, col=z, border=1, lwd=0.25) | |
mtext("Stream plot", line=0.25, side=3) | |
box() | |
dev.off() |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment