tracker.rb in request-log-analyzer-1.5.3

- old
+ new
@@ -96,111 +96,6 @@
     # object with all the results of this tracker, that can be dumped to YAML format.
     def to_yaml_object
       nil
     end
   end
-  
-  module StatisticsTracking
-    
-    # Update sthe running calculation of statistics with the newly found numeric value.
-    # <tt>category</tt>:: The category for which to update the running statistics calculations
-    # <tt>number</tt>:: The numeric value to update the calculations with.
-    def update_statistics(category, number)
-      @categories[category] ||= {:hits => 0, :sum => 0, :mean => 0.0, :sum_of_squares => 0.0, :min => number, :max => number }
-      delta = number - @categories[category][:mean]
-
-      @categories[category][:hits]           += 1
-      @categories[category][:mean]           += (delta / @categories[category][:hits])
-      @categories[category][:sum_of_squares] += delta * (number - @categories[category][:mean])
-      @categories[category][:sum]            += number
-      @categories[category][:min]             = number if number < @categories[category][:min]
-      @categories[category][:max]             = number if number > @categories[category][:max]
-    end
-    
-    # Get the number of hits of a specific category.
-    # <tt>cat</tt> The category
-    def hits(cat)
-      @categories[cat][:hits]
-    end
-
-    # Get the total duration of a specific category.
-    # <tt>cat</tt> The category
-    def sum(cat)
-      @categories[cat][:sum]
-    end
-
-    # Get the minimal duration of a specific category.
-    # <tt>cat</tt> The category
-    def min(cat)
-      @categories[cat][:min]
-    end
-
-    # Get the maximum duration of a specific category.
-    # <tt>cat</tt> The category
-    def max(cat)
-      @categories[cat][:max]
-    end
-
-    # Get the average duration of a specific category.
-    # <tt>cat</tt> The category
-    def mean(cat)
-      @categories[cat][:mean]
-    end
-
-    # Get the standard deviation of the duration of a specific category.
-    # <tt>cat</tt> The category
-    def stddev(cat)
-      Math.sqrt(variance(cat))
-    end
-
-    # Get the variance of the duration of a specific category.
-    # <tt>cat</tt> The category
-    def variance(cat)
-      return 0.0 if @categories[cat][:hits] <= 1
-      (@categories[cat][:sum_of_squares] / (@categories[cat][:hits] - 1))
-    end
-
-    # Get the average duration of a all categories.
-    def mean_overall
-      sum_overall / hits_overall
-    end
-
-    # Get the cumlative duration of a all categories.
-    def sum_overall
-      @categories.inject(0.0) { |sum, (name, cat)| sum + cat[:sum] }
-    end
-
-    # Get the total hits of a all categories.
-    def hits_overall
-      @categories.inject(0) { |sum, (name, cat)| sum + cat[:hits] }
-    end
-    
-    # Return categories sorted by a given key.
-    # <tt>by</tt> The key to sort on. This parameter can be omitted if a sorting block is provided instead
-    def sorted_by(by = nil)
-      if block_given?
-        categories.sort { |a, b| yield(b[1]) <=> yield(a[1]) }
-      else
-        categories.sort { |a, b| send(by, b[0]) <=> send(by, a[0]) }
-      end
-    end
-    
-    # Returns the column header for a statistics table to report on the statistics result
-    def statistics_header(options)
-      [
-        {:title => options[:title], :width => :rest},
-        {:title => 'Hits',   :align => :right, :highlight => (options[:highlight] == :hits),   :min_width => 4},
-        {:title => 'Sum',    :align => :right, :highlight => (options[:highlight] == :sum),    :min_width => 6},
-        {:title => 'Mean',   :align => :right, :highlight => (options[:highlight] == :mean),   :min_width => 6},
-        {:title => 'StdDev', :align => :right, :highlight => (options[:highlight] == :stddev), :min_width => 6},
-        {:title => 'Min',    :align => :right, :highlight => (options[:highlight] == :min),    :min_width => 6},
-        {:title => 'Max',    :align => :right, :highlight => (options[:highlight] == :max),    :min_width => 6}
-      ]
-    end
-    
-    # Returns a row of statistics information for a report table, given a category
-    def statistics_row(cat)
-      [cat, hits(cat), display_value(sum(cat)), display_value(mean(cat)), display_value(stddev(cat)),
-                display_value(min(cat)), display_value(max(cat))]
-    end
-  end
 end
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