search for: timestampsvalues

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2012 Jul 16
2
histogram of time-stamp data
Readers, A data set consists of time-stamp values: 00:00:00 23:11:00 06:22:00 The data set was imported: timestamps<-read.table("path/to/timestampsvalues") hist(timestamps) ...error... x must be numeric Then tried: plot(timestamps). How to adjust the graph to create a histogram where the intervals ranges can be specified, e.g. intervals of 60 minutes? Thanks in advance.