parameterslist: Calculate all characteristic stats from a list of files
In discharge: Fourier Analysis of Discharge Data

Description Usage Arguments Value Note See Also Examples

Function takes a vector of file names and returns seasonal signal-to-noise ratio, daily and annual noise color, 2- and 10-year return levels, and σ for high- and low-flow events.

All files in the vector should be of the same format.

1	parameters.list(x, names=NULL, file.type="txt", date.col=3, dis.col=4, skipped.rows=28)

`x`	Character vector containing file names.
`names`	Optional character vector with names of sites.
`file.type`	Character string, "txt" or "csv". Defaults to "txt".
`date.col`	Numeric specifying column containing date in "MM-DD-YYYY" format. Defaults to 3.
`dis.col`	Numeric specifying column containing discharge data. Defaults to 4.
`skipped.rows`	Numeric indicating number of rows to skip at beginning of file.

A data frame with one row for each file and the following columns:

`a.rms`	Root mean squared amplitude.
`n.rms`	Root mean squared noise.
`snr`	Signal-to-noise ratio.
`theta.d`	Daily noise color.
`theta.a`	Annual noise color.
`sigma.lf`	Sigma for low flow events.
`sigma.hf`	Sigma for high flow events.
`q2`	2-year return level (flood).
`q10`	10-year return level (flood).
`l2`	2-year return level (drought).
`l10`	10-year return level (drought).

The arguments "date.col", "discharge.col", and "skipped.rows" are designed to give some flexibility in file input; however, tab-delimited text without extra columns will work best.

allstats

# this function works on list of files
# read R data into temporary file handle
data(sycamore)
f = tempfile(fileext="txt")
write.table(sycamore, file=f, sep="\t")

# print all statistics for the list of rivers
parameters.list(c(f), names=c("sycamore"), date.col=2,dis.col=3,skipped.rows = 1)