Implemented as additional method for the gerneic function summary() and all objects of class "web". Run this function to get a first overview of the behaviour of the propants during a web experiment. Create a summary of type "click frequencies" for objectives equals FALSE or "objectives" for a vector passed to the argument objectives.
a list of class web
can be either FALSE or a labeled vector of URLs
Summary "click frequency" has the following colums: URL, Sessions, Impressions, Impressions per Session, Duration. Summary "objectives" has the colums Label, URL, Unique_Coversion, All_Conversions, Unique_Conversion-Rate, and All_Conversion-Rate. These metrics are an implemention of the industry standard in web analytics. In other words Google Analytics, Piwik or Webtrekk for example use the same calculation techniques:
A Session is a unique page impression (URL call) of a propant (user) during an experiment (website visit)
Impressions is the total number of page impressions
Impressions per Visit is the average number of impressions per session;
Duration is the average duration of a website visist per impression
Unique Conversions is the number of sessions of the defined objective pages
All Conversions is the number of impressions of the defined objective pages
Unique Conversion-Rate is calculated by Unique Conversions divided by total number of impressions for all pages
All Conversion-Rate is calculated by All Conversions divided by total number of impressions for all pages
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