AddFirstLastDistance: Adds distance to first and last locations for each day

Description Usage Arguments Details Value

View source: R/gps.R

Description

Adds columns with distance to first and last location of each day

Usage

1
AddFirstLastDistance(df, id, datetime, tz)

Arguments

df

dataframe with locations

by

column name of unique identifier, default is "id"

datetime

column name of datetime in POSIXct format or as a character in the format (%Y/%m/%d %H:%M)

tz

return to this timezome. Default "Etc/GMT+5".

Details

Caution with use of tz, may cause problems

Value

dataframe with "datetime", "first", "last"


Blakemassey/gisr documentation built on Aug. 30, 2020, 12:14 a.m.