velocity_calc: gets along-stream mean velocity
In USGS-R/GDopp: processing of ADV data

Description Usage Arguments Details Value Examples

gets along-stream mean velocity

1	velocity_calc(chunk.adv)

chunk.adv

a data.frame created with load.ADV, with the window.idx column

a GDopp function for calculating along-stream mean velocity.

a single mean along-stream velocity value

## Not run: 
folder.nm <- system.file('extdata', package = 'GDopp')
file.nm <- "ALQ102.dat"
data.adv <- load_adv(file.nm=file.nm, folder.nm =folder.nm)
window.adv <- window_adv(data.adv,freq=32,window.mins=10)
chunk.adv <- window.adv[window.adv$window.idx==7, ]
velocity_calc(chunk.adv)

## End(Not run)