plot_error: Utility function

In plotfunctions: Various Functions to Facilitate Visualization of Data and Analysis

Description

Plot line with confidence intervals.

Usage

plot_error(
  x,
  fit,
  se.fit,
  se.fit2 = NULL,
  shade = FALSE,
  f = 1,
  col = "black",
  ci.lty = NULL,
  ci.lwd = NULL,
  border = FALSE,
  alpha = 0.25,
  ...
)

Arguments

x	Vector with values on x-axis.
fit	Vector with values on y-axis.
se.fit	Vector with standard error; or when se.fit2 is provided, se.fit specifies upper values confidence interval.
se.fit2	Optional: lower values confidence interval.
shade	Logical: whether or not to produce shaded regions as confidence bands.
f	Factor for converting standard error in confidence intervals. Defaults to 1. Use 1.96 for 95% CI, and 2.58 for 99% CI.
col	Color for lines and confindence bands.
ci.lty	Line type to be used for the error lines, see par.
ci.lwd	Line type to be used for the error lines, see par.
border	The color to draw the border for the shaded confidence interval. The default, FALSE, omits borders.
alpha	Transparency of shaded area. Number between 0 (completely transparent) and 1 (not transparent).
...	Optional arguments for the lines and shaded area.

Author(s)

Jacolien van Rij

See Also

Other Functions for plotting: addInterval(), add_bars(), add_n_points(), alphaPalette(), alpha(), check_normaldist(), color_contour(), dotplot_error(), drawDevArrows(), emptyPlot(), errorBars(), fill_area(), getCoords(), getFigCoords(), getProps(), gradientLegend(), legend_margin(), marginDensityPlot(), plot_image(), plotsurface(), sortBoxplot()

Examples

# generate some data:
x <- -10:20
y <- 0.3*(x - 3)^2 + rnorm(length(x))
s <- 0.2*abs(100-y + rnorm(length(x)))

# Plot line and standard deviation:
emptyPlot(range(x), range(y), h0=0)
plot_error(x, y, s)
# Change layout:
emptyPlot(range(x), range(y), h0=0)
plot_error(x, y, s, shade=TRUE, lty=3, lwd=3)

# Use of se.fit2 for asymmetrical error bars:
cu <- y + .65*s
cl <- y - s
emptyPlot(range(x), range(y), h0=0)
plot_error(x, y, s, shade=TRUE)
plot_error(x, y, se.fit=cu, se.fit2=cl, col='red', shade=TRUE)

# Some layout options:
emptyPlot(range(x), range(y), h0=0)
plot_error(x, y, s, lty=3, lwd=1, ci.lty=1, ci.lwd=3)
emptyPlot(range(x), range(y), h0=0)
plot_error(x, y, s, shade=TRUE, lty=3, lwd=3)
emptyPlot(range(x), range(y), h0=0)
plot_error(x, y, s, shade=TRUE, lty=1, lwd=3, ci.lwd=3, border='red')
emptyPlot(range(x), range(y), h0=0)
plot_error(x, y, s, shade=TRUE, lty=1, lwd=3, density=10, ci.lwd=3)

plotfunctions documentation built on April 28, 2020, 5:10 p.m.