extract_raw: Extract 30-sec raw data

In QinglongYan/ANSSI: Automated near-stationary state identifier

Description

Extract 30-sec raw data of selected vehicle detector stations (VDS's) from gz files downloaded from PeMS data clearinghouse and save the daily extracted datasets in the format of csv.

Usage

extract_raw(inDir, metaDir, outDir, from = NULL, to = NULL, vds)

Arguments

inDir	The directory where the PeMS raw gz files are located
metaDir	The directory where meta data files are located. Meta data files should cover the selected period.
outDir	The directory to save the extracted csv files
from	From date in the format of YYYY_MM_DD
to	To date in the format of YYYY_MM_DD
vds	A vector of vehicle detector station (VDS) ID's

Value

Extracted raw datasets in csv format

QinglongYan/ANSSI documentation built on May 24, 2019, 5:02 a.m.