gglagplot

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Time series lag ggplots

Plots a lag plot using ggplot.

“gglagplot” will plot time series against lagged versions of themselves. Helps visualising 'auto-dependence' even when auto-correlations vanish.

“gglagchull” will layer convex hulls of the lags, layered on a single plot. This helps visualise the change in 'auto-dependence' as lags increase.

Usage
gglagplot(x, lags = 1, set.lags = 1:lags, diag=TRUE, diag.col="gray", do.lines = TRUE, colour = TRUE, continuous = TRUE, labels = FALSE, seasonal = TRUE, ...) gglagchull(x, lags = 1, set.lags = 1:lags, diag=TRUE, diag.col="gray", ...)
Arguments
x
a time series object (type ts).
lags
number of lag plots desired, see arg set.lags.
set.lags
vector of positive integers specifying which lags to use.
diag
logical indicating if the x=y diagonal should be drawn.
diag.col
color to be used for the diagonal if(diag).
do.lines
if TRUE, lines will be drawn, otherwise points will be drawn.
colour
logical indicating if lines should be coloured.
continuous
Should the colour scheme for years be continuous or discrete?
labels
logical indicating if labels should be used.
seasonal
Should the line colour be based on seasonal characteristics (TRUE), or sequential (FALSE).
...
Not used (for consistency with lag.plot)
Value

See Also

lag.plot

Aliases
  • gglagplot
  • gglagchull
Examples
gglagplot(AirPassengers)
gglagchull(AirPassengers)
gglagplot(AirPassengers,seasonal=FALSE)

lungDeaths <- cbind(mdeaths, fdeaths)
gglagplot(lungDeaths, lags=2)
gglagchull(lungDeaths, lags=6)
Documentation reproduced from package forecast, version 7.3, License: GPL (>= 2)

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