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mtl
2012 Nov 26
1
zoo timeseries plot; minor tic mark level control
...##########
#Transform timestamps and reorder them
dat <- transform(dat, Timestamp = as.POSIXct(Timestamp, format = "%m/%d/%Y
%H:%M:%S", tz ="Europe/Paris"))
dat<-dat[order(dat$Timestamp),]
#Make a zoo object
zdt <- zoo(dat[,2:4], dat$Timestamp)
#Plot
plot.zoo(zdt,main=mttl,xlab=NULL,panel=panel.yaxis,
yaxt='n',type = 'l',cex=0.2)
#####################
The plot is easy. For this data the timestamping is every 5 seconds over
many weeks (2 to 3 months). The standard tic mark labeling I get with the
plot.zoo() is just the abbreviated name of the...