A small collection of helper functions
Examples
Choptank_eList
#> Daily discharge:
#> Date Q
#> 1 1979-10-01 1.897229
#> ...
#> Date Q
#> 11688 2011-09-30 9.457827
#>
#> Sample data:
#> Date ConcLow ConcHigh Q
#> 1 1979-10-24 0.62 0.62 3.199804
#> ...
#> Date ConcLow ConcHigh Q
#> 606 2011-09-29 0.8 0.8 13.90357
#>
#> Choptank River:Inorganic nitrogen (nitrate and nitrite)
#> Parameter units: mg/l as N
#> Drainage area: 292.6687 km^2
print(Arkansas_eList)
#> Daily discharge:
#> Date Q
#> 9132 1989-10-01 37600
#> ...
#> Date Q
#> 17532 2012-09-30 2210
#>
#> Sample data:
#> Date Q ConcLow ConcHigh
#> 1 1990-09-18 1730 NA 0.05
#> ...
#> Date Q ConcLow ConcHigh
#> 254 2012-09-25 1030 0.043 0.043
#>
#> Arkansas River at Murray Lock and Dam (Lock and Dam No. 7):Ammonia
#> Parameter units: mg/l as N
#> Drainage area: 395783.7 km^2
plot(Choptank_eList)
plot(Choptank_eList, cex.main=0.7)
nDischarge(Arkansas_eList)
#> [1] 8401
nObservations(Arkansas_eList)
#> [1] 254
nCensoredVals(Arkansas_eList)
#> [1] 115