inst/snippets/freqpolygon.R

freqpolygon( ~ Exercise, data = StudentSurvey, breaks = seq(0, 45, by = 4), lwd = 3, 
            par.settings = col.whitebg(), 
            panel = function(x, ...) { 
  panel.xhistogram(x, ...);
  panel.freqpolygon(x, ...)}
             )

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Lock5withR documentation built on May 2, 2019, 3:43 p.m.