[R] stably updating the SD

John Christie john.christie at dal.ca
Tue Dec 16 18:19:06 CET 2008


I have some summary data from which I know a few points and I'd like  
to remove them.  Does anyone know if there is an R module that  
implements something like Hanson (1975)?

Hanson (1975).  Stably updating mean and standard deviation of data.   
Communications of the ACM, 18(1), 57-58.

More information about the R-help mailing list