Re: [R] help on using try() to catch an error

2008-02-16 Thread Juliet Hannah
Dear R Users, I incorporated the suggestions given to me, which solved the problem of the program ending. However, once an error occurs, and the value NA is assigned, the program does not run correctly after this point. All values assigned after this point are NA. Here is my function. getLRTp -

Re: [R] help on using try() to catch an error

2008-02-15 Thread Prof Brian Ripley
Neither of reduced_model not full_model will ever be NULL. If this fails, they inherit from class try-error. See ?try. So you want inherits(reduced_model, try-error) || inherits(full_model, try-error) On Thu, 14 Feb 2008, Juliet Hannah wrote: Dear R Users, I have the following glm,

[R] help on using try() to catch an error

2008-02-14 Thread Juliet Hannah
Dear R Users, I have the following glm, which I am running several times in a loop (I am not including the full code): reduced_model - NULL; full_model - NULL; reduced_model - try(glm.fit(X4,n,family=poisson(link=log))) full_model - try(glm.fit(X5,n,family=poisson(link=log))); On some