search for: rawcool

Quick newb question about R relating to the line of code below: rawCool = read.zoo("cooling.txt", FUN = as.chron, format = "%m/%d/%Y %H:%M", sep = "\t", aggregate = function(x) tail(x, 1)) I'm wondering what the specifics are for the argument where it has "aggregate = function(x) tail(x, 1)". I understand that it removes the...

Here's my script: http://pastebin.com/zx3TCtXg I want to draw attention to the code block where the read in of the raw data is located. Is there a function that filters out unwanted data with respect to a ceiling limit. For example, I want to remove any value over 500 kW in the rawCool variable. Any ideas where to go with that? I figure it would be an argument within read.zoo or an external function that manipulates the zoo vector that was read in prior. I plan on looking into the zoo FAQ and the R manual '?'. Any help pushing me towards the right direction is much apprec...