search for: firstday

Dear R experts, I have a question about the result of difftime() function: Does it take into account the different number of days in each month. In my example, I have the following: > firstDay [1] "2010-02-20" > lastDay [1] "2010-05-20 16:00:00" > difftime(lastDay,firstDay,units='days') Time difference of 89.625 days > When I count the days I get 88 days from 20/02/2010 to 20/05/2010 consequently the difference in days should be 87. On the contrary,...

Has anyone had any luck using the CalendarHelper plugin at http://wiki.rubyonrails.com/rails/pages/CalendarHelper recently? I''m scratching my head over the following error when I look at any page in my application: NameError in CalendarController#index undefined local variable or method `date_format'' for #<CalendarController:0x24ccd4c> RAILS_ROOT: