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To use pilot points and PEST to calibrate an existing [[GMS:MODFLOW Conceptual Model Workflow|MODFLOW mo :# In the [[GMS:Standard MODFLOW Parameters|''Parameters'']] dialog, set values to "Pilot points" and set any other parameters.

...g been developed for use with complex environmental models. The purpose of PEST is to assist in data interpretation, model calibration, and predictive anal ...r Estimation''' command in the ''MODFLOW'' menu and then clicking on the ''PEST'' tab.

...ported in GMS for the [[GMS:MODFLOW|MODFLOW]] simulations using [[GMS:PEST|PEST]] a general purpose parameter estimation utility developed by John Doherty ...odel. Bring up the [[GMS:Global Options/Basic Package|''Global Options'']] dialog and select either the ''Parameter Estimation'' or ''Stochastic Inverse Mode

...ever, the option requires that the model has already been calibrated using PEST SVD-Assist. ...ndertaken for each new set of parameters. However, two tools provided with PEST greatly reduce the amount of time required to perform calibration-constrain

*PES (This process is not needed since GMS uses PEST for parameter estimation) *SEN (This process is not needed since GMS uses PEST for parameter estimation)}}

The MODFLOW ''Properties'' dialog box is opened by right-clicking on the MODFLOW solution [[File:Generic Fold ...udes all of the observations at the various times. The error shown in this dialog is different from the error found in the [[GMS:Error_Summary_Plot|Error Sum

...up the [[GMS:Global_Options/Basic_Package|''Global Options/Basic Package'' dialog]]. If a simulation exists then the current one will be deleted and a new o ; Check Simulation... : Brings up the [[GMS:Model_Checker|''Model Checker'' dialog]]. This generates a list of possible errors and warning messages in the to

...the [[GMS:Global Options/Basic Package|''MODFLOW Global/Basic Package'']] dialog. ...le:DlgRunModflow.png|thumb|none|left|480 px|Example of the ''Run MODFLOW'' dialog.]]

## [[GMS:PEST|PEST]] support for MODFLOW-USG, including a new tutorial ##Removed the option from the [[GMS:Preferences#Graphics|Preferences dialog]] for choosing the graphics library (software vs. system). Now the installe

...ScenarioParameters.png|thumb|550 px|Example of the ''Advanced Simulation'' dialog showing the "Scenarios" run type]] The ''Advanced Simulation'' dialog is accessed by right-clicking on the simulation item in the Project Explore

...hese utilities are managed in the ''MODFLOW-USG Observation'' dialog. This dialog contains information for head observations as well as flow observations. Th ...e '''Generate PEST Obs. Data''' button in the ''MODFLOW-USG Observations'' dialog (''MODFLOW'' | '''Observations''' command) or when using the [[GMS:Map to M

...EST ParameterEstimation.png|thumb|550 px|The ''PEST'' parameter estimation dialog]] ...the [[GMS:Global Options/Basic Package|''Global Options\Basic Package'']] dialog.

:[[GMS:PEST ASP Package|PEST ASP Package]] :[[GMS:MODFLOW Name File Dialog|MODFLOW Name File Dialog]]

...ith regularization is an incredibly powerful feature of PEST. (For more on PEST see [[GMS:Automated Parameter Estimation|Automated Parameter Estimation]]) #The ''Properties'' dialog that appears will display all selected points. Unselected points will not b

...nt|[[Image:Switching_MF2K5.jpg|200px|none|thumb|left|MODFLOW Global Option Dialog]]}} ...in the [[GMS:Global_Options/Basic_Package|''MODFLOW Global/Basic Package'' dialog]]. Switch from one to the other at any time.

{{hide in print|'''''Prior to version 9.0 this command and dialog were called "Convergence Options".'''''}} ...ckages/Processes'' dialog]] the PEST ASP options are accessed via the '''''PEST ASP Package''''' (Advanced Spatial Parameterization) command in the ''MODFL

##Update to PEST 14.0 ##Change to dialog that asks about saving changes on File|New

...'' in the list on the right in the [[WMS:GSSHA Job Control|''Job Control'' dialog]]. Clicking on the '''Edit parameters''' button brings up the ''Parameters'' dialog (below) where parameters can be selected to be calibrated and edited, inclu

##Global Options dialog now shows executable options: single vs. double precision, MODFLOW 2000 vs. ##''Capture Zone Analysis'' dialog rearranged

...s in HSPF is handled in WMS by a dialog box created for each module. These dialog boxes share many common features and function in the same basic way. A brie ...lags set in the module input. The check-boxes in the flags section of each dialog control the accessibility to fields and button for input to such tables. Th