search for: proj_id

hello togehter, how can i match a complete data.frame to another one? I know i can match one column with that code: A<-match(data$PJ_ID,project$PROJ_ID) data$Name<-proj$Name[A] but how can i match the total data.frame from project to data? indivduel matching for each column is not very productive.... Thanks. Mat -- View this message in context: http://r.789695.n4.nabble.com/match-a-complete-data-frame-tp4658250.html Sent from the R help m...

hi all, I have a Class, Client, which has_many projects (Project class). the projects depend on a session_id variable, however. So the question is, how can I do the following: has_many :projects, :finder_sql => "SELECT p.* FROM projects p INNER JOIN projects_users pu ON pu.project_id = p.id WHERE pu.user_id = #{session[:user_id]}" The problem is that I need to filter a