ra8.9: Function to return the RA8 and RA9 hydrologic indicator...

Description Usage Arguments Value Examples

View source: R/ra8.9.R View source: R/RProjects/HITHATStats/R/ra8.9.R

Description

This function accepts a data frame that contains a column named "discharge" and calculates RA8; Number of reversals. Compute the number of days in each year when the change in flow from one day to the next changes direction. RA8 is the average (or median - Use Preference option) of the yearly values (days-temporal). RA9; Variability in reversals. Compute the standard deviation for the yearly reversal values. RA9 is 100 times the standard deviation divided by the mean (percent-spatial).

Usage

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Arguments

qfiletempf

data frame containing a "discharge" column containing daily flow values

Value

ra8.9 list containing RA8 and RA9 for the given data frame

Examples

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jlthomps/EflowStats documentation built on May 17, 2017, 11:26 p.m.