snapshot_list: List the Available Snapshots

In sysilviakim/voterdiffR: Evaluating the Quality of Changes in Voter Registration Databases

Description

This function lists currently available snapshots, assuming a common file pattern and snapshot IDs by date. The current default values are tailored to the Orange County setup.

Usage

snapshot_list(start = "2018-04-26", end = "2021-01-01", path = "7z",
  pattern = "^(?=.*Cntywd_)(?!.*Hist)", file_type = ".txt",
  format = "%m%d%y", recursive = FALSE, period = 1,
  file_prefix = "Cntywd_")

Arguments

start	The start date of the first snapshot. Defaults to April 26, 2018.
end	The end date of the last snapshot. Defaults to Jan 1, 2021.
path	Path where all snapshots are stored. Defaults to subfolder 7z.
pattern	Regular expression of the file pattern to find. Defaults to a particular pattern of OCROV files.
file_type	File type. Defaults to .txt.
format	Format of the date in the snapshot file names. Defaults to "%m%d%y".
recursive	Whether to find files recursively. Defaults to FALSE.
period	Period/interval between each snapshot— whether daily, weekly, and so on. Defaults to 1 (equivalent to "day"). Any valid input for base seq.Date by argument is allowed.
file_prefix	File name file_prefix. Defaults to Cntywd_.

Value

A dataframe that contains available snapshots.

sysilviakim/voterdiffR documentation built on June 22, 2020, 6:51 p.m.