I have very little experience in R, and am currently trying to create a function which calculates the CAGR (compounded annual growth rate) of my financial data (the gross profit at time t=0 and t=-2).
I have imported the gross profits from an excel file (called Forsog_orbis_til_rv2) and want to create a new variable called CAGR in this data frame. I have used the following code:.
library(tibble);
library(dplyr)
grossprofit.t <- c(818000,883000,4141000,123000,5301000,4788000)
grossprofit.t2 <- c(2375000,2279000,-69000,5604000,3959000,6240000)
mydata <- data.frame(grossprofit.t,grossprofit.t2)
CAGR_formula <- function(FV, PV, yrs = 2) {
values <- ((FV/PV)^(1/yrs)-1)
return(values)
}
mydata %>%
mutate(CAGR=CAGR_formula(grossprofit.t,grossprofit.t2,2)*100)`
print(mydata)
When I do this, the output only includes my two gross profit-variables.. What am I doing wrong with the mutate function or the CAGR function?
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