monthplot

0th

Percentile

Plot a Seasonal or other Subseries from a Time Series

These functions plot seasonal (or other) subseries of a time series. For each season (or other category), a time series is plotted.

Keywords
hplot, ts
Usage
monthplot(x, ...)

## S3 method for class 'stl': monthplot(x, labels = NULL, ylab = choice, choice = "seasonal", \dots)

## S3 method for class 'StructTS': monthplot(x, labels = NULL, ylab = choice, choice = "sea", \dots)

## S3 method for class 'ts': monthplot(x, labels = NULL, times = time(x), phase = cycle(x), ylab = deparse(substitute(x)), ...)

## S3 method for class 'default': monthplot(x, labels = 1L:12L, ylab = deparse(substitute(x)), times = seq_along(x), phase = (times - 1L)%%length(labels) + 1L, base = mean, axes = TRUE, type = c("l", "h"), box = TRUE, add = FALSE, col = par("col"), lty = par("lty"), lwd = par("lwd"), col.base = col, lty.base = lty, lwd.base = lwd, ...)

Arguments
x
Time series or related object.
labels
Labels to use for each season.
ylab
y label.
times
Time of each observation.
phase
Indicator for each season.
base
Function to use for reference line for subseries.
choice
Which series of an stl or StructTS object?
...
Arguments to be passed to the default method or graphical parameters.
axes
Should axes be drawn (ignored if add = TRUE)?
type
Type of plot. The default is to join the points with lines, and "h" is for histogram-like vertical lines.
box
Should a box be drawn (ignored if add = TRUE?
add
Should thus just add on an existing plot.
col, lty, lwd
Graphics parameters for the series.
col.base, lty.base, lwd.base
Graphics parameters for the segments used for the reference lines.
Details

These functions extract subseries from a time series and plot them all in one frame. The ts, stl, and StructTS methods use the internally recorded frequency and start and finish times to set the scale and the seasons. The default method assumes observations come in groups of 12 (though this can be changed).

If the labels are not given but the phase is given, then the labels default to the unique values of the phase. If both are given, then the phase values are assumed to be indices into the labels array, i.e., they should be in the range from 1 to length(labels).

Value

  • These functions are executed for their side effect of drawing a seasonal subseries plot on the current graphical window.

References

Becker, R. A., Chambers, J. M. and Wilks, A. R. (1988) The New S Language. Wadsworth & Brooks/Cole.

See Also

ts, stl, StructTS

Aliases
  • monthplot
  • monthplot.default
  • monthplot.ts
  • monthplot.stl
  • monthplot.StructTS
Examples
library(stats) require(graphics) ## The CO2 data fit <- stl(log(co2), s.window = 20, t.window = 20) plot(fit) op <- par(mfrow = c(2,2)) monthplot(co2, ylab = "data", cex.axis = 0.8) monthplot(fit, choice = "seasonal", cex.axis = 0.8) monthplot(fit, choice = "trend", cex.axis = 0.8) monthplot(fit, choice = "remainder", type = "h", cex.axis = 0.8) par(op) ## The CO2 data, grouped quarterly quarter <- (cycle(co2) - 1) %/% 3 monthplot(co2, phase = quarter) ## see also JohnsonJohnson
Documentation reproduced from package stats, version 3.3, License: Part of R 3.3

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