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Dear All, Is there a way to find bandwidths for Normal, and Triangular Kernels using Sheather Jones plug-in method. If not, is there a way we could convert the bandwidth obtained by the default( I assume that the default is standard normal) in hcj(x,...) to other kernels. I appreciate your help. Thanks Durai --------------------------------- [[alternative HTML version deleted]]

Hi.. I need some support... table: week_id, user_id, project_id, hours ex. => 33, 2, 1, 10 34, 2,1,15 33, 2, 2, 20 35, 3, 1,20 etc. Want to display a sum of hours per week_id per user_id I have: @hours = HourUser.includes(:user).group_by { |h| h.week_id } @hours.keys.sort.each do |hour| @hours[hour].collect(&:stunden).sum Hours are summed up, but not sorted by user_id.. How to get

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I am new to ROR, i need to setup ROR on my ubuntu machine. can u give some steps to follow for ROR? or some effective tutorials link to setup this? -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To view this discussion on the web visit https://groups.google.com/d/msg/rubyonrails-talk/-/ciRx6txsgY4J. To post to this group, send