# Analyze, Summarize, and Visualize Daily Streamflow Data

## Documentation for package ‘fasstr’ version 0.3.1

- DESCRIPTION file.
- User guides, package vignettes and other documentation.

## Help Pages

add_basin_area | Add a basin area column to daily flows
add_cumulative_volume | Add daily cumulative volumetric flows on an annual basis
add_cumulative_yield | Add daily cumulative runoff yield flows on an annual basis
add_daily_volume | Add daily volumetric flows
add_daily_yield | Add daily volumetric runoff yields
add_date_variables | Add year, month, and day of year variables
add_rolling_means | Add rolling n-day averages
add_seasons | Add a column of seasons
calc_all_annual_stats | Calculate all fasstr annual statistics
calc_annual_cumulative_stats | Calculate annual (and seasonal) cumulative flows
calc_annual_flow_timing | Calculate annual flow timing
calc_annual_lowflows | Calculate annual lowflows
calc_annual_outside_normal | Calculate annual days above and below normal
calc_annual_stats | Calculate annual summary statistics
calc_daily_cumulative_stats | Calculate cumulative daily flow statistics
calc_daily_stats | Calculate daily summary statistics
calc_flow_percentile | Calculate the percentile rank of a flow value
calc_longterm_daily_stats | Calculate long-term summary statistics from daily mean flows
calc_longterm_mean | Calculate the long-term mean annual discharge
calc_longterm_monthly_stats | Calculate long-term summary statistics from annual monthly mean flows
calc_longterm_percentile | Calculate the long-term percentiles
calc_monthly_cumulative_stats | Calculate cumulative monthly flow statistics
calc_monthly_stats | Calculate monthly summary statistics
compute_annual_frequencies | Perform an annual low or high-flow frequency analysis
compute_annual_trends | Calculate prewhitened nonlinear annual trends on streamflow data
compute_frequency_analysis | Perform a custom annual frequency analysis
compute_frequency_quantile | Calculate an annual frequency analysis quantile
compute_full_analysis | Compute a suite of tables and plots from various fasstr functions
compute_hydat_peak_frequencies | Perform a flow frequency analysis on annual statistics
fill_missing_dates | Fill dates of missing flow values with NA
plot_annual_cumulative_stats | Plot annual and seasonal total flows
plot_annual_flow_timing | Plot annual flow timing
plot_annual_lowflows | Plot annual lowflows
plot_annual_means | Plot annual means compared to the long-term mean
plot_annual_outside_normal | Plot annual days above and below normal
plot_annual_stats | Plot annual summary statistics
plot_daily_cumulative_stats | Plot cumulative daily flow statistics
plot_daily_stats | Plot daily summary statistics
plot_data_screening | Plot annual summary statistics for data screening
plot_flow_data | Plot daily mean streamflow
plot_flow_duration | Plot flow duration curves
plot_longterm_daily_stats | Plot long-term summary statistics from daily mean flows
plot_longterm_monthly_stats | Plot long-term summary statistics from annual monthly mean flows
plot_missing_dates | Plot annual and monthly missing dates
plot_monthly_cumulative_stats | Plot cumulative monthly flow statistics
plot_monthly_stats | Plot monthly summary statistics
screen_flow_data | Calculate annual summary and missing data statistics
write_flow_data | Write a streamflow dataset as a .xlsx, .xls, or .csv file
write_full_analysis | Write a suite of tables and plots from various fasstr functions into a directory
write_objects_list | Write all data frames and plots from a list of objects into a directory
write_plots | Write plots from a list into a directory or PDF document
write_results | Write a data frame as a .xlsx, .xls, or .csv file