A B C D E F G I L M P Q R S T Y
| EGRET-package | EGRET package includes WRTDS and flowHistory |
| as.egret | Create named list for EGRET analysis |
| blankTime | Deletes the computed values during periods of time when there is no sample data |
| boxConcMonth | Box plot of the water quality data by month |
| boxConcThree | Three box plots side-by-side |
| boxQTwice | Two box plots side-by-side, discharge on sample days, and discharge on all days |
| boxResidMonth | A box plot of WRTDS residuals by month |
| calculateMonthlyResults | Calculates monthly values of Q, Conc, Flux, FNConc, and FNFlux for the entire record |
| censoredSegments | Generic plotting function to create censored line segments |
| checkStartEndDate | checkStartEndDate |
| Choptank_eList | Example eList |
| compressData | Compress sample data frame |
| Constants | Constants included with EGRET |
| dataOverview | Data Overview for WRTDS |
| dateFormatCheck | Check date format |
| estCrossVal | Jack-Knife cross validation of the WRTDS (Weighted Regressions on Time, Discharge, and Season) |
| estDailyFromSurfaces | Estimates all daily values of Concentration, Flux, Flow-Normalized Concentration, and Flow Normalized Flux |
| estSurfaces | Estimate the three surfaces (for yHat, SE and ConcHat) as a function of DecYear and logQ and store in the three-dimensional object called surfaces |
| fixSampleFrame | Update Sample dataframe |
| flowDuration | Computes several values of the flow duration curve for streamflow centered on a specific date of the year |
| fluxBiasMulti | Produces 8-panel plot that is useful for determining if there is a flux bias problem |
| fluxBiasStat | Compute the flux bias statistic: (mean of estimated flux - mean of observed flux) / mean of observed flux |
| fluxConst | Constants included with EGRET |
| fluxUnit-class | fluxUnit class |
| formatCheckDate | formatCheckDate |
| formatCheckParameterCd | formatCheckParameterCd |
| generalAxis | Axis generation for log discharge |
| genericEGRETDotPlot | Generic EGRET plotting function |
| getDaily | Get Daily dataframe from EGRET object |
| getDaily.default | Get Daily dataframe from EGRET object |
| getDaily.egret | Get Daily dataframe from EGRET object |
| getInfo | Get INFO dataframe from EGRET object |
| getInfo.default | Get INFO dataframe from EGRET object |
| getInfo.egret | Get INFO dataframe from EGRET object |
| getSample | Get Sample dataframe from EGRET object |
| getSample.default | Get Sample dataframe from EGRET object |
| getSurfaces | Get surfaces matrix from EGRET object |
| getSurfaces.default | Get surfaces matrix from EGRET object |
| getSurfaces.egret | Get surfaces matrix from EGRET object |
| INFOdataframe | Import metadata to create INFO data frame |
| is.egret | Check for EGRET object |
| logPretty1 | Sets up tick marks for an axis with a log scale, where the graph is small |
| logPretty3 | Sets up tick marks for an axis with a log scale |
| makeAnnualSeries | Produces annual series of 8 streamflow statistics (and a lowess smooth of them) from daily streamflow data |
| mergeReport | Merge Sample and Daily Data into EGRET object |
| modelEstimation | Estimation process for the WRTDS (Weighted Regressions on Time, Discharge, and Season) |
| monthInfo | Constants included with EGRET |
| monthLabel-class | monthLabel class |
| multiPlotDataOverview | Produces a 4 panel plot that gives an overview of the data set prior to any processing |
| plot15 | Makes 15 graphs of streamflow statistics on a single page |
| plot1of15 | plots 1 of the 15 graphs of streamflow statistics on a single page |
| plotConcHist | Graph of annual concentration and flow normalized concentration versus year |
| plotConcPred | Plot of Observed Concentration versus Estimated Concentration |
| plotConcQ | Plot of Observed Concentration versus Discharge |
| plotConcQSmooth | Plot up to three curves representing the concentration versus discharge relationship. Each curve is a different point in time. |
| plotConcTime | Plot of Observed Concentration versus Time |
| plotConcTimeDaily | Plot of the time series of daily concentration estimates and the sample values for the days that were sampled |
| plotConcTimeSmooth | Plot up to three curves representing the concentration versus time relationship, each curve representing a different flow. |
| plotContours | Color contour plot of the estimated surfaces as a function of discharge and time (surfaces include log concentration, standard error, and concentration) |
| plotDiffContours | Plots the difference between two years from a contour plot created by plotContours |
| plotFlowSingle | Creates a plot of a time series of a particular flow statistic and a lowess smooth of that flow statistic |
| plotFluxHist | Graph of annual flux and flow normalized flux versus year |
| plotFluxPred | Graph of observed versus estimated flux |
| plotFluxQ | Sample data plot: observed log flux vs log discharge |
| plotFluxTimeDaily | Plot of the time series of daily flux estimates and the sample values for the days that were sampled |
| plotFour | Makes four graphs of streamflow statistics on a single page |
| plotFourStats | Makes four graphs of annual streamflow statistics on a single page |
| plotQTimeDaily | Plot of the discharge time series |
| plotResidPred | Plot of the residuals from WRTDS versus the estimated values (all in log concentration units) |
| plotResidQ | Plot of the residuals from WRTDS (in log concentration units) versus the discharge |
| plotResidTime | Plot of the residuals from WRTDS (in log concentration units) versus time |
| plotSDLogQ | Graph of the standard deviation of the log of daily discharge versus year |
| populateConcentrations | Populate Concentration Columns |
| populateDaily | Populate Daily data frame |
| populateDateColumns | Populate Date Columns |
| populateParameterINFO | Populate Parameter Information Columns |
| populateSampleColumns | Populate Sample Columns |
| populateSiteINFO | Populate Site Information Columns |
| print.egret | Prints EGRET object |
| printFluxUnitCheatSheet | Available Flux Unit properties |
| printqUnitCheatSheet | Available Flow Unit properties |
| printSeries | Print annual results for a given streamflow statistic |
| processQWData | Processing of USGS NWIS Water Quality Data |
| qConst | Constants included with EGRET |
| qUnit-class | qUnit class |
| readDataFromFile | Basic Data Import for Water Flow Data |
| readNWISDaily | Import NWIS Daily Data for EGRET analysis |
| readNWISInfo | Import metadata to create INFO data frame |
| readNWISSample | Import NWIS Sample Data for EGRET analysis |
| readUserDaily | Import user daily data for EGRET analysis |
| readUserInfo | Import metadata to create INFO data frame |
| readUserSample | Import user sample data for EGRET analysis |
| readWQPInfo | Import metadata to create INFO data frame |
| readWQPSample | Import Sample Data for WRTDS |
| removeDuplicates | Remove Duplicates |
| runSurvReg | Run the weighted survival regression for a set of estimation points (defined by DecYear and Log(Q)) |
| saveResults | A utility program for saving the contents of the workspace This function saves the workspace. It assigns the file a name using the abbreviations for station and constituent. |
| selectDays | Creates a subset data frame that only contains data for the specified period of analysis |
| setPA | Sets up the period of analysis |
| setSeasonLabel | Create a character character that describes the period of analysis, when period of analysis has already been set in AnnualResults |
| setSeasonLabelByUser | Creates a character character that describes the period of analysis, when the period of analysis is being set by the user and not from AnnualResults |
| setUpEstimation | setUpEstimation |
| setupYears | Creates the AnnualResults data frame from the Daily data frame |
| surfaceIndex | Compute the 6 parameters needed to lay out the grid for the surfaces computed in estSurfaces |
| tableChange | Create a table of the changes in flow-normalized values between various points in time in the record |
| tableChangeSingle | Create a table of the changes in flow-normalized concentration or flux values between various points in time in the record |
| tableFlowChange | Prints table of change metrics for a given streamflow statistic |
| tableResults | Table of annual results for discharge, concentration and flux |
| triCube | Tricube weight function |
| yPretty | Sets up tick marks for an axis for a graph with an arithmetic scale which starts at zero |