Search Archives
Search tips
from:Name
Search by author name, e.g. from:Duncan Murdoch
"exact phrase"
Match an exact phrase
word1 word2
Match messages containing both words
Date range
Use the date pickers to filter results to a time period
Use the list dropdown to narrow results to a specific mailing list. Combine from: with other terms to filter by author and content.
Dear Mr. Chatterjee, I'm not aware of a function that does this generically, and I doubt there exists one in the standard relase of R for the following reason - different processors have different numerical formats that would require a...
Create lagged vectors: # corresponds to x.dif[i-1] lag.minus1 <- c(NA,x.dif[-length(x.dif)]) # corresponds to x.dif[i+2] lag.plus2 <- c(x.dif[-c(1,2)],NA,NA) Then create a true/false vector...
Dear ManojW, There is a function EWMA in the RMetrics package. You can also write a script such as the following: expma <- function(alpha,price.vec) { if(missing(alpha)) stop("alpha argument missing") if( alpha < 0 || alpha > 1 ) stop("alpha...
Dear R Users Group, For statistical applications, I have found R to be superior to Matlab and Mathematica, and equal to SPlus. I use R for all modelling applications in my market research. >From my standpoint, the best feature of...
Can't find what you're looking for? Try searching with Google .