[5] User-Defined Functions

Sum

Create the following r source file on a certain directory.

SumF.r

SumF <- function(a,b){   return(a+b) }

sample code(s)

# specify the path to the .r file sf <- "H:/Quantitative Research/R/SumF.r" sf # load and run the code from the file source(sf) SumF(1,2)

[1] 3

---

Mean (average)

Create the following r source file on a certain directory.

MeanF.r

MeanF <- function(a,b){   return(mean(c(a,b))) }

sample code(s)

# specify the path to the .r file mf <- "H:/Quantitative Research/R/MeanF.r" mf # load and run the code from the file source(mf) MeanF(1,2)

[1] 1.5

---