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Stored size: 691 Bytes
Contents
module Errdo
module HistogramHelper
def hist(data, num_bins, time_start, time_range)
times = {}
(0..num_bins).each do |num|
bin_start = (time_start + ((num.to_f / num_bins.to_f) * time_range))
bin_end = (time_start + (((num + 1) / num_bins.to_f) * time_range)).beginning_of_hour
bin_start = bin_start.beginning_of_hour
times[bin_start.strftime("%m/%d %I%p")] = data.select { |d| (d.created_at > bin_start) && (d.created_at <= bin_end) }.count
end
return times
end
def useful_time(time)
if time < 1.day
1.day
elsif time < 1.week
1.week
else
2.weeks
end
end
end
end
Version data entries
7 entries across 7 versions & 1 rubygems