fars_read: fars_read
In izlude83/week4: Functions for Analyzing FARS Data

Description Usage Arguments Details Value Examples

This function takes in "filename" as an argument, and first checks whether any file with name equal to "filename" exists.

1	fars_read(filename)

filename

A character string denoting the file to be read by fars_read.

If the file does not exists, fars_read will stop and returns a message to indicate that the file does not exist.

If the file exists, fars_read will to read the file using the read_csv function from the readr package into a table named "data". It will then run the tbl_df function from the dplyr package to convert data into a data frame and return it as output to the function.

This function either returns a data frame containing data extracted from the defined file if it is present, or a message indicating the file is not found otherwise.