Importing data

import either xls or xlsx Excel files

read_excel()

{readxl}

write data frame to comma delimited file

write_csv()

{readr}

read comma delimited files

read_csv()

{readr}

import CSV file (base R)

read.csv()

{utils}

write data frame to comma delimited file

write.csv()

{utils}

locate files relative to your project root directory

here()

{here}

The end!