Add functions to extract a subset of the time series
Add functions to subset object of classes 'ts_hydro' and 'ts_meteo' as :
ts_hydro[i, j]
ts_meteo[i, j]
Example :
ts_flow
$meta
$meta$code
[1] "Y430651001"
$meta$metric
[1] "QmnJ"
$meta$timeStep
[1] 1
$meta$statuses
[1] "most_valid"
$meta$rolling
[1] FALSE
$meta$unit
[1] "l"
$meta$title
[1] "Débit moyen sur n jours (n=1, non glissant) - Données les plus valides de l'entité - Y430 6510 01 - [La Roybine de la chapelette] à Arles [Caparon] - du 01/01/1999 00:00 au 31/12/2000 23:59 (TU)"
$meta$baseFilename
[1] "Y430651001_QmnJ(n=1_non-glissant)"
$series
v t md s q m c
1 449 1999-01-01 <NA> 16 20 8 0
2 286 1999-01-02 <NA> 16 20 8 0
3 259 1999-01-03 <NA> 16 20 8 0
4 249 1999-01-04 <NA> 16 20 8 0
5 240 1999-01-05 <NA> 16 20 8 0
attr(,"range")
[1] "1999-01-01 00:00:00 UTC" "2000-12-31 23:59:59 UTC"
attr(,"timezone")
[1] "UTC"
attr(,"class")
[1] "Q" "ts_hydro"
ts_flow[1:3, 1:2]
$meta
$meta$code
[1] "Y430651001"
$meta$metric
[1] "QmnJ"
$meta$timeStep
[1] 1
$meta$statuses
[1] "most_valid"
$meta$rolling
[1] FALSE
$meta$unit
[1] "l"
$meta$title
[1] "Débit moyen sur n jours (n=1, non glissant) - Données les plus valides de l'entité - Y430 6510 01 - [La Roybine de la chapelette] à Arles [Caparon] - du 01/01/1999 00:00 au 31/12/2000 23:59 (TU)"
$meta$baseFilename
[1] "Y430651001_QmnJ(n=1_non-glissant)"
$series
v t
1 449 1999-01-01
2 286 1999-01-02
attr(,"range")
[1] "1999-01-01 00:00:00 UTC" "2000-12-31 23:59:59 UTC"
attr(,"timezone")
[1] "UTC"
attr(,"class")
[1] "Q" "ts_hydro"