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Versions: 13
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Contents
# frozen_string_literal: true
require "spout/helpers/array_statistics"
require "spout/helpers/table_formatting"
module Spout
module Helpers
class ChartTypes
def self.get_bucket(buckets, value)
return nil if buckets.size == 0 or not value.is_a?(Numeric)
buckets.each do |b|
return "#{b[0]} to #{b[1]}" if value >= b[0] and value <= b[1]
end
if value <= buckets.first[0]
"#{buckets.first[0]} to #{buckets.first[1]}"
else
"#{buckets.last[0]} to #{buckets.last[1]}"
end
end
def self.continuous_buckets(values)
values.select!{|v| v.is_a? Numeric}
return [] if values.count == 0
minimum_bucket = values.min
maximum_bucket = values.max
max_buckets = 12
bucket_size = ((maximum_bucket - minimum_bucket) / max_buckets.to_f)
precision = (bucket_size == 0 ? 0 : [-Math.log10(bucket_size).floor, 0].max)
buckets = []
(0..(max_buckets-1)).to_a.each do |index|
start = (minimum_bucket + index * bucket_size)
stop = (start + bucket_size)
buckets << [start.round(precision),stop.round(precision)]
end
buckets
end
end
end
end
Version data entries
13 entries across 13 versions & 1 rubygems