r - gvisAnnotationChart and zoomStartTime / zoomEndTime -


i'm having trouble zoomstarttime , zoomendtime parameters of gvisannotationchart googlevis package.

specifically, running example three:

a3 <- gvisannotationchart(stock, datevar="date",                            numvar="value", idvar="device",                            titlevar="title", annotationvar="annotation",                            options=list(                              width=600, height=350,                             zoomstarttime=as.date("2008-01-04"),                             zoomendtime=as.date("2008-01-05"))                           ) plot(a3)

produces plot "undefined not function" in y scroll area.

the documentation states "zoom time window, no y-axis ticks" has no other information. have seen several examples on jsfiddle of working, configuring google annotated timeline, can't translate r. appreciated.


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