whatIf? Wiki

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====== How To ======

===== Design process =====
  * [[Design Considerations for a Simulator]]
  * [[Framework Information Settings]]
  * [[Creating a Calibration Diagram]]
  * [[Sim Binding Links|Sim Binding Links in 4.7.0+]]

===== TOOL coding =====
Also see the /*[[TOOL Reference Manual]] (full) and the*/ [[tutorials:TOOL Quick Reference Card]].

==== General ====
  * [[howtos:toolcoding:good_practices|Good TOOL Coding Practices]]
  * [[howtos:toolcoding:performance_tuning|Tune your TOOL code for memory and/or runtime constraints]]
  * [[howtos:toolcoding:Unit of Measure Conversions]]
  * [[howtos:toolcoding:TOOL Shell Scripts]] FIXME /*- Marcus*/
  * [[howtos:toolcoding:Conditional logic for code running in simulation vs calibration]]

==== View Writing ====
  * [[howtos:toolcoding:user_interaction|Interacting with the user in views]]
  * [[howtos:toolcoding:General View Writing]]
  * [[howtos:toolcoding:Common History and Background Checks]]
  * [[howtos:toolcoding:Multiple Scenario Display Views]]
  * [[howtos:toolcoding:Feedback views]] 
  * [[howtos:toolcoding:View templates]] FIXME /* marcus */

==== Recipes ====
  * [[howtos:toolcoding:Boolean Masks]]
  * [[howtos:toolcoding:Projecting A Share into Simulation Time|Projecting a Variable into Simulation Time]]
  * [[howtos:toolcoding:Ranges]]
  * [[howtos:toolcoding:Using maps]]
    * [[howtos:toolcoding:Many to one mapping with non summation aggregation rule|Many to one mapping with non-summation aggregation rule]]
    * [[howtos:implementAgingWithMap:Apply aging using a map]]

  * [[howtos:toolcoding:Constrained summations]]
  * [[howtos:toolcoding:Sub-shares using categories]]
  * [[howtos:toolcoding:Using a relative propensity]]
  * [[howtos:toolcoding:Scaling/normalizing to a control total]]
  * [[howtos:toolcoding:Table lookup using classify and dimtran]] FIXME

==== Re-usable code - Subroutines ====
  * [[howtos:toolcoding:subRoutinePackage|Sub-routine package]] 



===== Model Loading =====
  * [[howtos:model_loading|Model Loading: From Documenter to SAMM]]
  * [[howtos:model_loading_4.7.0|Model Loading version 4.7.0: From Documenter to SAMM]]
  * [[howtos:update_code_diagram|Updating model code and diagrams without a full reload]]
  * [[howtos:evaluate_a_history|Run a calibration to produce a history]]
  * [[howtos:typical_initView|Prepare initialization views]]
  * [[howtos:typicalErrors|Typical errors and solutions]]

===== Working with data =====
The articles in this section discuss how to interact with data files external to the model.
  * [[howtos:workwithdata:Overview of reading data]] FIXME
  * [[howtos:workwithdata:Data Format vs File Format]]

==== Reading data ====
  * [[howtos:workwithdata:A Simple Import View]]

  * [[howtos:Reading data into arrays]]
    * [[howtos:Importing Informant Definitions - Sets and Categories]] FIXME /*- shona*/
    * [[howtos:workwithdata:createSetsFromDataFile| Use create to make set informants from data file and use them for a test load]]
    * [[howtos:workwithdata:createReadDataFiles| Use create pick apart complicated data files]] 

  * [[howtos:workwithdata:Importing and tabulating record-based datasets]]
  * [[howtos:workwithdata:Geographic data]]FIXME /*- shona*/
  * [[howtos:workwithdata:Example - Import from Beyond 20/20 (.ivt) format | Reading Beyond 20/20 (.ivt) data]]FIXME /*- Marcus*/

  * [[howtos:workwithdata:Creating Import Templates]]
  * [[howtos:workwithdata:Importing/Exporting time slices using a for loop]]

=== Examples ===

  * [[howtos:workwithdata:Import Quick Reference| Import examples]] - single ''import()'' calls



==== Writing data ====
  * [[howtos:workwithdata:Export Views]] FIXME 
  * [[howtos:workwithdata:Export to .csv]]
  * [[howtos:workwithdata:Export to "template" format]]

=== Examples ===

  * [[howtos:workwithdata:Export Quick Reference| Export examples]]




===== Calibration =====
  * [[howtos:calibration:Projecting Into History]]

===== Feedback/Tracking Methods =====

Root finding methods. See http://en.wikipedia.org/wiki/Root-finding_algorithm

Brute force:
  * [[howtos:feedback:Tracking Method - Deviation ratio multiplier]]
  * [[howtos:feedback:Tracking Method - Deviation ratio addition]]

More specialized/sophisticated:
  * [[howtos:feedback:Tracking Method - Minimizing Root Mean Squared Difference with 5 point bracketing]] - bi-section variant
  * [[howtos:feedback:Tracking Method - Minimizing Root Mean Squared Difference with 5 point bracketing]] - yet to be implemented



===== Interacting with Model =====

===== Displaying Data =====

  * [[howtos:displayingdata:Displaying data with geomap]]


===== Debugging =====
  * [[howtos:workwithdata:Running Data through Documenter]]
  * [[howtos:debugging:Model Debugging in SAMM]]

===== Administration =====
==== Using a hosted model ====
  * [[howtos:admin:Connect to model hosted at whatIf?]] 

==== Administering your own server ====

Setup:
  * [[howtos:admin:Server Systems Requirements]] 
  * [[howtos:admin:Setup server from scratch]]
  * [[howtos:admin:Setup User and Model Accounts|User and Model Accounts Setup]]
  * [[howtos:admin:Model Family Directory Structure]]

Common tasks:
  * [[howtos:admin:Move Scenarios from old server to new]]
  * [[howtos:admin:Make an account specific tmp directory]]
  * [[howtos:admin:Install and Administer a Virtual Machine (VM)|Virtual Machine (VM)- Install and Administer]]

Trouble shooting:
  * [[howtos:admin:Model Base Checking]]
  * [[howtos:admin:Model Base Patching]]
  * [[howtos:admin:Freeing a ReadOnly documentor file]]
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