# plot.zoo

From zoo v1.2-2
by Achim Zeileis

##### Plotting zoo Objects

Plotting method for objects of class `"zoo"`

.

- Keywords
- ts

##### Usage

```
## S3 method for class 'zoo':
plot(x, y = NULL, screens = 1, plot.type = c("multiple", "single"),
panel = lines, xlab = "Index", ylab = NULL, main = NULL,
xlim = NULL, ylim = NULL, xy.labels = FALSE, xy.lines = NULL,
oma = c(6, 0, 5, 0), mar = c(0, 5.1, 0, 2.1),
col = 1, lty = 1, pch = 1, type = "l", nc, widths = 1, heights = 1, ...)
## S3 method for class 'zoo':
lines(x, y = NULL, type = "l", \dots)
## S3 method for class 'zoo':
points(x, y = NULL, type = "p", \dots)
```

##### Arguments

- x
- an object of class
`"zoo"`

. - y
- an object of class
`"zoo"`

. If`y`

is`NULL`

(the default) a time series plot of`x`

is produced, otherwise if both`x`

and`y`

are univariate`"zoo"`

series, a scatt - screens
- factor (or coerced to factor) whose levels specify which
graph each series is to be plotted in.
`screens=c(1,2,1)`

would plot series 1, 2 and 3 in graphs 1, 2 and 1. - plot.type
- for multivariate zoo objects, "multiple" plots the series on multiple plots and "single" superimposes them on a single plot
- panel
- a
`function(x, y, col, lty, ...)`

which gives the action to be carried out in each panel of the display for`plot.type = "multiple"`

. - ylim
- if
`plot.type = "multiple"`

then it can be a list of y axis limits. If not a list each graph has the same limits. If any list element is not a pair then its range is used instead. If`plot.type = "single"`

then it is as - xy.labels
- logical, indicating if
`text`

labels should be used in the scatter plot, or character, supplying a vector of labels to be used. - xy.lines
- logical, indicating if
`lines`

should be drawn in the scatter plot. Defaults to the value of`xy.labels`

if that is logical, otherwise to`FALSE`

. - xlab, ylab, main, xlim, oma, mar
- graphical arguments, see
`par`

. - col, lty, pch, type
- graphical arguments that can be vectors or (named) lists. See the details for more information.
- nc
- the number of columns to use when
`plot.type = "multiple"`

. Defaults to`1`

for up to`4`

series, otherwise to`2`

. - widths, heights
- widths and heights for individual graphs, see
`layout`

. - ...
- additional graphical arguments.

##### Details

The methods for `plot`

and `lines`

are very similar
to the corresponding `ts`

methods. However, the handling of
several graphical parameters is more flexible for multivariate series.
These parameters can be vectors of the same length as the number of
series plotted or are recycled if shorter. They can also be (partially)
named list, e.g., `list(A = c(1,2), c(3,4))`

in which `c(3, 4)`

is the default value and `c(1, 2)`

the value only for series `A`

.
The `screens`

argument can be specified in a similar way.
If `plot.type`

and `screens`

conflict then multiple plots
will be assumed. Also see the examples.

In addition to classical time series line plots, there is also a
simple `barplot`

method for `"zoo"`

series.

##### See Also

##### Examples

```
x.Date <- as.Date(paste(2003, 02, c(1, 3, 7, 9, 14), sep = "-"))
## univariate plotting
x <- zoo(rnorm(5), x.Date)
x2 <- zoo(rnorm(5, sd = 0.2), x.Date)
plot(x)
lines(x2, col = 2)
## multivariate plotting
z <- cbind(x, x2, zoo(rnorm(5, sd = 0.5), x.Date))
plot(z, type = "b", pch = 1:3, col = 1:3, ylab = list(expression(mu), "b", "c"))
colnames(z) <- LETTERS[1:3]
plot(z, plot.type = "single", col = list(B = 2))
plot(z, type = "b", pch = 1:3, col = 1:3)
plot(z, type = "b", pch = list(A = 1:5, B = 3), col = list(C = 4, 2))
plot(z, type = "b", screen = c(1,2,1), col = 1:3)
# right axis is for broken lines
plot(x)
par(usr = c(par("usr")[1:2], range(x2)))
lines(x2, lty = 2)
axis(4)
## plot one zoo series against the other.
plot(x, x2)
plot(x, x2, xy.labels = TRUE)
plot(x, x2, xy.labels = 1:5, xy.lines = FALSE)
## barplot
x <- zoo(cbind(rpois(5, 2), rpois(5, 3)), x.Date)
barplot(x, beside = TRUE)
```

*Documentation reproduced from package zoo, version 1.2-2, License: GPL*

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