Description Usage Arguments Value Note Author(s) Examples
Function linestack
plots vertical one-dimensional plots for
numeric vectors. The plots are always labelled, but the labels
are moved vertically to avoid overwriting.
1 2 |
x |
Numeric vector to be plotted. |
labels |
Labels used instead of default (names of |
cex |
Size of the labels. |
side |
Put labels to the |
hoff |
Distance from the vertical axis to the label in units of the width of letter “m”. |
air |
Multiplier to string height to leave empty space between labels. |
at |
Position of plot in horizontal axis. |
add |
Add to an existing plot. |
axis |
Add axis to the plot. |
... |
Other graphical parameters to labels. |
The function returns invisibly the shifted positions of labels in user coordinates.
The function always draws labelled diagrams. If you want to have
unlabelled diagrams, you can use, e.g., plot
,
stripchart
or rug
.
Jari Oksanen with modifications by Gavin L. Simpson
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 | ## First DCA axis
data(dune)
ord <- decorana(dune)
linestack(scores(ord, choices=1, display="sp"))
linestack(scores(ord, choices=1, display="si"), side="left", add=TRUE)
title(main="DCA axis 1")
## Expressions as labels
N <- 10 # Number of sites
df <- data.frame(Ca = rlnorm(N, 2), NO3 = rlnorm(N, 4),
SO4 = rlnorm(N, 10), K = rlnorm(N, 3))
ord <- rda(df, scale = TRUE)
### vector of expressions for labels
labs <- expression(Ca^{2+phantom()},
NO[3]^{-phantom()},
SO[4]^{-2},
K^{+phantom()})
scl <- 1
linestack(scores(ord, choices = 1, display = "species", scaling = scl),
labels = labs, air = 2)
linestack(scores(ord, choices = 1, display = "site", scaling = scl),
side = "left", add = TRUE)
title(main = "PCA axis 1")
|
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