plot.PP {QRMlib} | R Documentation |
creates a picture of an unmarked point process.
plot.PP(x, ...)
x |
a point process object of class PP which must be unmarked |
... |
further parameters which may be passed to the plot function (see R help about the plot function for further information) |
Creates an appropriate plot on graphical device. The input variable x will be internally separated into starttime and endtime values to pass to plot.stepfun()
documentation by Scott Ulman for R-language distribution
data(sp500); sp500.nreturns <- -mk.returns(sp500); window <- (seriesPositions(sp500.nreturns) > timeDate("12/31/1995",format = "%m/%d-/%Y")) & (seriesPositions(sp500.nreturns) < timeDate("01/01/2004",format = "%m/%d/%Y")); sp500.nreturns <- sp500.nreturns[window]; #The following functions are contained in functionsHawkes.R. #Plot the 100 largest exceedances. Create an MPP (marked point process) class tmp <- extremalPP(sp500.nreturns,ne=100); #Be sure to graph with plot.PP instead of plot.MPP: tmp2 <- unmark(tmp); plot.PP(tmp2);