Description Usage Arguments Details Value
Adds columns with distance to first and last location of each day
1 | AddFirstLastDistance(df, id, datetime, tz)
|
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". |
Caution with use of tz, may cause problems
dataframe with "datetime", "first", "last"
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