similar to: how to ignore NA when using cumsum?

I would like to cumulatively sum rows in a matrix, in which each row has 1 NA value, which I do NOT want to treat as 0s. The NAs are placeholders where there is actually no data, which is not the same as a 0. The usual "na.rm=TRUE" does not seem to work with the command cumsum. Is there another way to ignore the NAs or do I need to figure out a different way to do this? Here's an

Hi Why does a failed "validates_acceptance_of" create a hidden input in the view? cheers, jason --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-talk-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org To unsubscribe from this

Hello all, I am trying to compile (by "hand") an old version of R (2.11.1, specifically). "Why?", you might ask. Well, I have a program I am trying to run (that was not written by me, but I am hoping to use in my research) that was written in "old" R, and the program writer has specifically mentioned that R-2.11.1 or older must be used. I have run

I have a semantics question, I am reading Bowerman and O'Connell and they state that forecasting models fall into two categories, univariate and causal. My question is whether a time series regression model that relates the time series of interest to functions of time such as the day of the week or month of the year could be considered a causal model? thanks, spencer [[alternative HTML

Okay, here's the situtation I have a samba server (2.2.3a) which is the PDC for a domain with approximately 60 windows 2000 clients. Up until recently I haven't had any problems with using it for roaming profiles and domain authentication, however since last thursday I have not been able to successfully create machine account that would work. When following the procedure that has worked

Hi Friends, I am brand new to RoR.Kindly help me with the following problem. Following are the steps i have done. 1) C:/> rails appone 2) C:/> cd appone 3) C:/appone> cd script 4) C:/appone/script> ruby generate controller appone index 5) Edited C:/appone/app/controllers/appone_controller.rb class ApponeController < ApplicationController def index time = Time.now

Hi I''m a big fan of plugins such as Resource Controller http://jamesgolick.com/2007/10/19/introducing-resource_controller-focus-on-what-makes-your-controller-special However, recently decided I don''t want to depend on a plugin for this, and would rather stick closer to the rails core. So does anyone have any cool strategies or ideas for achieving this? Or is there any move to