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module Gruff::Base::StackedMixin
# Used by StackedBar and child classes.
#
# tsal: moved from Base 03 FEB 2007
DATA_VALUES_INDEX = Gruff::Base::DATA_VALUES_INDEX
def get_maximum_by_stack
# Get sum of each stack
max_hash = {}
@data.each do |data_set|
data_set[DATA_VALUES_INDEX].each_with_index do |data_point, i|
max_hash[i] = 0.0 unless max_hash[i]
max_hash[i] += data_point.to_f
end
end
# @maximum_value = 0
max_hash.keys.each do |key|
@maximum_value = max_hash[key] if max_hash[key] > @maximum_value
end
@minimum_value = 0
end
end
Version data entries
32 entries across 32 versions & 11 rubygems