R: Calculation of Low Flow Statistics for Daily Stream Flow Data

# Calculation of Low Flow Statistics for Daily Stream Flow Data

## Documentation for package ‘lfstat’ version 0.9.13

- DESCRIPTION file
- Package NEWS
- Package README

## Help Pages

lfstat-package | Calculation of Low Flow Statistics for Daily Stream Flow Data
apply.seasonal | Apply an aggregation function seasonally.
as.lfobj | Coerce to class "lfobj"
as.lfobj.xts | Coerce to class "lfobj"
as.lfobj.zoo | Coerce to class "lfobj"
as.xts.lfobj | Convert Object To Class "xts"
baseflow | Calculate the base flow of a river
BFI | Base Flow Index
bfplot | Base Flow Plot
cdf_ev | Reversed functions for several Extreme Value Distributions
check_distribution | Checks if a Distribution is suited
createlfobj | Create an low flow object for further Low Flow Analysis
createlfobj.data.frame | Create an low flow object for further Low Flow Analysis
createlfobj.default | Create an low flow object for further Low Flow Analysis
createlfobj.lfobj | Create an low flow object for further Low Flow Analysis
createlfobj.ts | Create an low flow object for further Low Flow Analysis
dmcurve | Double Mass Curve
evfit | Fit an extreme value distribution to observations
evquantile | Estimating populations quantiles of extreme values
ev_return_period | Estimate the return period for given quantiles
fdc | Flow Duration Curve
fill_na | Interpolation NA values in a vector
find_droughts | Identifying Low Flow Periods
flowunit | Set and retrieve unit of the discharge
flowunit.lfobj | Set and retrieve unit of the discharge
flowunit.xts | Set and retrieve unit of the discharge
flowunit<- | Set and retrieve unit of the discharge
flowunit<-.lfobj | Set and retrieve unit of the discharge
flowunit<-.xts | Set and retrieve unit of the discharge
gringorten | Gringorten Plotting Positions
hydrograph | Hydrograph
hyear_start | Extract or guess the Start of a Hydrological Year
hyear_start.data.frame | Extract or guess the Start of a Hydrological Year
hyear_start.xts | Extract or guess the Start of a Hydrological Year
hyear_start<- | Extract or guess the Start of a Hydrological Year
hyear_start<-.lfobj | Extract or guess the Start of a Hydrological Year
hyear_start<-.xts | Extract or guess the Start of a Hydrological Year
is.lfobj | Coerce to class "lfobj"
lfnacheck | Low flow object check for missing values.
lfnainterpolate | Interpolate missing values
lfstat | Calculation of Low Flow Statistics for Daily Stream Flow Data
ma | Simple Moving Average
MAM | Mean Annual Minimum
meanflow | Mean flow
multistationsreport | Report for several stations
ng | Daily stream flow data used for low flow analysis
ngaruroro | Daily stream flow data used for low flow analysis
pel_ev | Reversed functions for several Extreme Value Distributions
plot.deficit | Plot time series of deficits
pooling | Pooling Procedures of Low Flow Events
pool_ic | Pooling Procedures of Low Flow Events
pool_it | Pooling Procedures of Low Flow Events
pool_ma | Pooling Procedures of Low Flow Events
pool_sp | Pooling Procedures of Low Flow Events
Q70 | Qxx, Q95, Q90, Q70
Q90 | Qxx, Q95, Q90, Q70
Q95 | Qxx, Q95, Q90, Q70
qua_ev | Reversed functions for several Extreme Value Distributions
Qxx | Qxx, Q95, Q90, Q70
ray | Daily stream flow data used for low flow analysis
readlfdata | Reads data sheets
recession | Recession Constant
recessionplot | Recession diagnostic plot
reversing | Reversed functions for several Extreme Value Distributions
rfa | Regional Frequency Analysis
rfaplot | Regional Frequency Analysis
rpline | Highlight quantiles/return periods
sbplot | Seasonal Bar Chart
seasindex | Seasonality Index
season | Attribute dates to seasons
seasratio | Seasonality Ratio
seglenplot | Bar chart of recession length
setlfunit | Define the unit to use in low flow plots
streamdef | Streamflow Deficit
streamdefplot | Streamflow Deficit Plot
summary.deficit | Object Summaries
trace_value | Draw Paths to Points perpendicular to Coordinate Axis
tyears | Calculate Low-Flow Quantiles for given Return Periods
tyearsS | Calculate Low-Flow Quantiles for given Return Periods
vary_threshold | Create varying thresholds
water_year | Compute the water year