| annual.mean | Annual mean of flow records |
| beale.period | Load estimation with Beale ratio estimator based on monthly or annual relationship |
| beale.ratio | Load estimation with Beale ratio method |
| conc.data1 | Concentration dataset of Kaskaskia River |
| conc.data2 | Concentration dataset of Sandusky River |
| conc.data3 | Dataset with faked concentration records of Adda River |
| CQregression | Relationship between concentration and flow |
| daily.mean | Daily mean of flow records |
| db.intersect | Intersection of flow and concentration data in a unique data frame |
| db.union | Union of flow and concentration data in a unique data frame |
| ferguson | Load estimation with Ferguson rating curve |
| ferguson.period | Load estimation with Ferguson method based on monthly or annual relationship |
| flow.data1 | Dataset of flow record of Kaskskia River |
| flow.data2 | Dataset of flow record of Sandusky River |
| flow.data3 | Flow record dataset of Adda River |
| method1 | Load estimation with time-weighted flow and concentration method |
| method2 | Load estimation with discharge-weighted concentration method |
| method3 | Load estimation with mean discharge-weighted concentration method |
| method4 | Load estimation with time-weighted concentration method |
| method5 | Load estimation with time and discharge weighted method |
| method6 | Load estimation based on linear interpolation of concentration |
| monthly.mean | Monthly mean of flow records not differentiated by year |
| monthly.year.mean | Monthly mean of flow records differentiated by year |
| rating | Load estimation with log log rating curve |
| rating.period | Load estimation with log log rating curve based on monthly or annual relationship |
| reg.inspection | Parameters of regression analysis between flow and concentration |
| residual.plot | Residual plots of one selected component |
| rsquared.period | Coefficient of determination for period based regression analyses |