split_per_day: Create a dataframe suitable for charts per 24h and day

In stacomiR: Fish Migration Monitoring

Create a dataframe suitable for charts per 24h and day

Description

This functions takes a data frame with a column with starting time and another with ending time If the period extends over midnight, it will be split into new lines, starting and ending at midnight

Usage

split_per_day(data, horodatedebut, horodatefin)

Arguments

data	The dataframe
horodatedebut	The beginning time
horodatefin	The ending time

Value

A data frame with four new columns, Hmin (hour min), Hmax (hmax), xmin (day) and xmax (next day), and new rows

Author(s)

cedric.briand

Examples

datatemp<-structure(list(per_dis_identifiant = c(1L, 1L, 1L), 
per_date_debut = structure(c(1420056600, 
1420071000, 1420081200), class = c("POSIXct", "POSIXt"), tzone = ""), 
per_date_fin = structure(c(1420071000, 1420081200, 1421000000
), class = c("POSIXct", "POSIXt"), tzone = ""), per_commentaires = c("fonct calcul", 
"fonct calcul", "fonct calcul"), per_etat_fonctionnement = c(1L, 
0L, 0L), per_tar_code = 1:3, libelle = c("Fonc normal", "Arr ponctuel", 
"Arr maint")), .Names = c("per_dis_identifiant", "per_date_debut", 
"per_date_fin", "per_commentaires", "per_etat_fonctionnement", 
"per_tar_code", "libelle"), row.names = c(NA, 3L), class = "data.frame")
 newdf<-split_per_day(data=datatemp,horodatedebut="per_date_debut",
horodatefin="per_date_fin")

stacomiR documentation built on May 29, 2024, 10:41 a.m.