Nothing
### For plotting b corr.
my.range <- function(x){
lim <- range(x)
lim + c(-1, 1) * (lim[2] - lim[1]) * 0.20
} # End of my.range().
plot.b.corr <- function(x, y, label, x.ci = NULL, y.ci = NULL,
xlim = NULL, ylim = NULL, xlab = "", ylab = "", main = "",
workflow.name = NULL, add.lm = FALSE, add.ci = FALSE){
if(!is.null(x.ci)){
x.ci <- matrix(x.ci, ncol = 2)
}
if(!is.null(y.ci)){
y.ci <- matrix(y.ci, ncol = 2)
}
if(is.null(xlim)){
xlim <- my.range(x)
}
if(is.null(ylim)){
ylim <- my.range(y)
}
### main part.
plot(NULL, NULL, xlim = xlim, ylim = ylim,
xlab = xlab, ylab = ylab, main = main)
mtext(workflow.name, line = 3, cex = 0.6)
### Add lm.
if(add.lm){
m.1 <- try(lm(y ~ x), silent = TRUE)
if(class(m.1) != "try-error"){
a <- m.1$coef[1]
b <- m.1$coef[2]
R2 <- summary(m.1)$r.squared
abline(a = a, b = b, col = 2)
width <- xlim[2] - xlim[1]
height <- ylim[2] - ylim[1]
text(xlim[1] - width * 0.04, ylim[2] - height * 0.05,
parse(text = paste("y == ", sprintf("%.4f", a),
" + ", sprintf("%.4f", b), " * x", sep = "")),
pos = 4, cex = 0.6)
text(xlim[1] - width * 0.04, ylim[2] - height * 0.10,
parse(text = paste("R^2 == ",
sprintf("%.4f", R2), sep = "")),
pos = 4, cex = 0.6)
### Add 95% CI.
if(add.ci){
text(xlim[1] - width * 0.04, ylim[2] - height * 0.15,
"95% CI ",
pos = 4, cex = 0.6)
tmp <- summary(m.1)
### For intercept.
CI.95 <- tmp$coefficients[1, 1] +
qt(c(0.025, 0.975), tmp$df[2]) * tmp$coefficients[1, 2]
text(xlim[1] - width * 0.04, ylim[2] - height * 0.20,
paste("intercept: ",
sprintf("(%.4f, %.4f)", CI.95[1], CI.95[2]), sep = ""),
pos = 4, cex = 0.6)
### For slop.
CI.95 <- tmp$coefficients[2, 1] +
qt(c(0.025, 0.975), tmp$df[2]) * tmp$coefficients[2, 2]
text(xlim[1] - width * 0.04, ylim[2] - height * 0.25,
paste("slope: ",
sprintf("(%.4f, %.4f)", CI.95[1], CI.95[2]), sep = ""),
pos = 4, cex = 0.6)
}
}
}
### Add one-to-one.
abline(a = 0, b = 1, col = 4, lty = 2)
### Add main lines.
for(i in 1:length(x)){
if(!is.null(x.ci)){
lines(x = x.ci[i,], y = rep(y[i], 2), col = 1)
}
if(!is.null(y.ci)){
lines(x = rep(x[i], 2), y = y.ci[i,], col = 1)
}
}
### Build index by codons.
tmp.id <- order(x)
tmp.x <- x[tmp.id]
tmp.y <- y[tmp.id]
tmp.label <- label[tmp.id]
tmp.pch <- rep(1, length(tmp.x))
tmp.col <- rep(1, length(tmp.x))
### 2-codons amino acids: C, D, E, F, H, K, N, Q, Y, Z.
id.aa <- c("C", "D", "E", "F", "H", "K", "N", "Q", "Y", "Z")
id.pch <- c(0, 1, 2, 5, 6, 21:25, 15:18)
for(i.id.aa in 1:length(id.aa)){
id.codon <- grep(paste("^", id.aa[i.id.aa], "\\.", sep = ""), tmp.label)
tmp.pch[id.codon] <- id.pch[i.id.aa]
}
### 3-codons amino acids: I.
### 4-codons amino acids: A, G, P, T, V.
### 6-codons amino acids: L, R.
id.aa <- c("I", "A", "G", "P", "T", "V", "L", "R")
id.pch <- c(15:18, 7:9, 11)
id.col <- c(2, 3, 4, 5, 6, 8, 2, 3, 4)
for(i.id.aa in 1:length(id.aa)){
id.codon <- grep(paste("^", id.aa[i.id.aa], "\\.", sep = ""), tmp.label)
tmp.pch[id.codon] <- id.pch[i.id.aa]
tmp.col[id.codon] <- id.col[i.id.aa]
}
### Add points.
if(is.null(x.ci) || is.null(y.ci)){
# points(tmp.x, tmp.y, pch = 20, cex = 0.6, col = 2)
points(tmp.x, tmp.y, pch = tmp.pch, cex = 0.8, col = tmp.col)
}
### Add label.
# x.split <- xlim[1] + (xlim[2] - xlim[1]) / 2
# x.adj <- (xlim[2] - xlim[1]) * 0.1 *
# rep(c(1, -1), c(sum(tmp.x <= x.split), sum(tmp.x > x.split))) *
# ((1:length(tmp.x) - 1) %% 3 + 1)
x.adj <- (xlim[2] - xlim[1]) * 0.1 *
rep(c(1.2, -1.4, 1.4, -1.6),
as.integer(length(x) / 4) + 1)[1:length(x)]
tmp.x <- tmp.x + x.adj
text(tmp.x, tmp.y, labels = tmp.label, cex = 0.6, col = tmp.col)
} # End of plot.b.corr().
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