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2003 Sep 17
2
Date on x-axis of xyplot
xyplot doesn't seem to want to label my x-axis with dates but instead puts the day-number for each date. begdate is the number of days since January 1, 1960 and was initially created by library(date) ... polls$begdate<-mdy.date(begmm,begdd,begyy) I create a new dataframe (pollstack) which includes begdate. In the process begdate seems to lose its date attribute so I redo it as: > pollstack$begdate<-as.date(pollstack$begdate) after which > attach(pollstack) > summary(pollstack) begdate pct...