module Split::DashboardHelpers
Public Instance Methods
confidence_level(z_score)
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# File lib/split/dashboard/helpers.rb, line 28 def confidence_level(z_score) return z_score if z_score.is_a? String z = round(z_score.to_s.to_f, 3).abs if z >= 2.58 '99% confidence' elsif z >= 1.96 '95% confidence' elsif z >= 1.65 '90% confidence' else 'Insufficient confidence' end end
h(text)
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# File lib/split/dashboard/helpers.rb, line 4 def h(text) Rack::Utils.escape_html(text) end
number_to_percentage(number, precision = 2)
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# File lib/split/dashboard/helpers.rb, line 16 def number_to_percentage(number, precision = 2) round(number * 100) end
path_prefix()
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# File lib/split/dashboard/helpers.rb, line 12 def path_prefix request.env['SCRIPT_NAME'] end
round(number, precision = 2)
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# File lib/split/dashboard/helpers.rb, line 20 def round(number, precision = 2) begin BigDecimal(number.to_s) rescue ArgumentError BigDecimal(0) end.round(precision).to_f end
url(*path_parts)
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# File lib/split/dashboard/helpers.rb, line 8 def url(*path_parts) [ path_prefix, path_parts ].join("/").squeeze('/') end