search for: my_calc

...have not heard back. Any help is greatly appreciated! Henry Bryant Texas A&M University library("snowfall") library("methods") # set up a simple reference class calculator <- setRefClass("calculator") calculator$methods(do_calc = function(x) {print(x*x)}) my_calc <- calculator$new() wrapper <- function(x) {my_calc$do_calc(x)} # STANZA 2: use snowfall without wrapper -- WORKING #sfInit(parallel=TRUE, cpus=2, type="SOCK") #sfExport("calculator") #sfExport("my_calc") #results <- sfLapply(1:10,my_calc$do_calc) #sfStop() #...

...$ COD : Factor w/ 2 levels "FE","O": 2 2 2 2 2 2 2 2 2 2 ... ..$ piece: num [1:456] -0.874 -0.874 -0.874 -0.874 -0.66 ... ... on a single a data frame it is possible to use names or <- to change column name "piece" for something more meaningful to me like "my_calc" i don't know how generalize that to a list of dataframes perhaps something like lapply(data, names,...) "piece" is in fact the result of few lines of ugly code with rapply, sapply and llply the names were lost somewhere... 1. How do i change "piece" name? I need t...