boxPlot | R Documentation |
An alternative to boxplot
. Equations are not accepted. Instead, the
second argument, fact
, is used to split the data.
boxPlot(
x,
fact = NULL,
horiz = FALSE,
width = 2/3,
lwd = 1,
lcol = "black",
medianLwd = 2,
pch = 20,
pchCex = 1.8,
col = grDevices::rgb(0, 0, 0, 0.25),
add = FALSE,
key = NULL,
axes = TRUE,
xlab = "",
ylab = "",
xlim = NULL,
ylim = NULL,
na.rm = TRUE,
...
)
x |
A numerical vector. |
fact |
A character or factor vector defining the grouping for side-by-side box plots. |
horiz |
If |
width |
The width of the boxes in the plot. Value between |
lwd |
Width of lines used in box and whiskers. |
lcol |
Color of the box, median, and whiskers. |
medianLwd |
Width of the line marking the median. |
pch |
Plotting character of outliers. |
pchCex |
Size of outlier character. |
col |
Color of outliers. |
add |
If |
key |
The order in which to display the side-by-side boxplots. If
locations are specified in |
axes |
Whether to plot the axes. |
xlab |
Label for the x axis. |
ylab |
Label for the y axis. |
xlim |
Limits for the x axis. |
ylim |
Limits for the y axis. |
na.rm |
Indicate whether |
... |
Additional arguments to plot. |
David Diez
histPlot
, dotPlot
,
densityPlot
# univariarate
boxPlot(email$num_char, ylab = "Number of characters in emails")
# bivariate
boxPlot(email$num_char, email$spam,
xlab = "Spam",
ylab = "Number of characters in emails"
)
# faded outliers
boxPlot(email$num_char, email$spam,
xlab = "Spam",
ylab = "Number of characters in emails",
col = fadeColor("black", 18)
)
# horizontal plots
boxPlot(email$num_char, email$spam,
horiz = TRUE,
xlab = "Spam",
ylab = "Number of characters in emails",
col = fadeColor("black", 18)
)
# bivariate relationships where categorical data have more than 2 levels
boxPlot(email$num_char, email$image,
horiz = TRUE,
xlab = "Number of attached images",
ylab = "Number of characters in emails",
col = fadeColor("black", 18)
)
# key can be used to restrict to only the desired groups
boxPlot(email$num_char, email$image,
horiz = TRUE, key = c(0, 1, 2),
xlab = "Number of attached images (limited to 0, 1, 2)",
ylab = "Number of characters in emails",
col = fadeColor("black", 18)
)
# combine boxPlot and dotPlot
boxPlot(tips$tip, tips$day,
horiz = TRUE, key = c("Tuesday", "Friday")
)
dotPlot(tips$tip, tips$day,
add = TRUE, at = 1:2 + 0.05,
key = c("Tuesday", "Friday")
)
# adding a box
boxPlot(email$num_char[email$spam == 0], xlim = c(0, 3))
boxPlot(email$num_char[email$spam == 1], add = 2, axes = FALSE)
axis(1, at = 1:2, labels = c(0, 1))
boxPlot(email$num_char[email$spam == 0], ylim = c(0, 3), horiz = TRUE)
boxPlot(email$num_char[email$spam == 1], add = 2, horiz = TRUE, axes = FALSE)
axis(2, at = 1:2, labels = c(0, 1))
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