####Load libraries
  library(tidyverse) #tidyverse is used to organize the data with read_csv()
  library(fixest) #Fixest is load so a fixed effect model can be used.
#Creating directories to store the raw data set, 
#  so the results can reproduced more easily if the data changes.
  dir.create("Data",showWarnings = FALSE)
  dir.create("Data/Orig_Data",showWarnings = FALSE)
  #Check if direjctory exits
  dir.exists("Data/Orig_Data")

# Help --------------------------------------------------------------------


#List all files in the working directory
list.files()
#List all files in the working directory that end in png
  list.files("./",pattern="*.png")
#list all files in the Data folder staring from the working directory
  list.files("Data/")
#write a csv file to the directory
  write_csv(diamonds, "Data/diamonds.csv")
#write a tab separated file to the directory (tsv)
  write_tsv(diamonds, "Data/diamonds.tsv")
#list all files in the Data directory. Save in a variable.
  FILE_LIST <- list.files("Data/")
  print(FILE_LIST)
#Check if a file exists in the Data directory
file.exists("Data/DIAMOND.csv")
#Check if the file in the list exists
  file.exists(FILE_LIST[1])
#Check if the file in the list exists
  FILE_LOC <- paste0("./Data/",FILE_LIST[1])
  print(FILE_LOC)
  file.exists(FILE_LOC)


ggplot(diamonds, aes(x = carat, y = price)) + 
  geom_hex()
ggsave("diamonds.png")
dir.create("./data")