I'm only just plodding in and around R. It sounds like you need a histogram (because width of the bin is a thing as well as the height of the bar).
http://www.cookbook-r.com/Graphs/Plotting_distributions_(ggplot2)/
@Chalfie started
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I'm only just plodding in and around R.
It sounds like you need a histogram (because width of the bin is a thing as well as the height of the bar).
http://www.cookbook-r.com/Graphs/Plotting_distributions_(ggplot2)/