====== Requirements ======

==== Specification of Qc2 Algorithms ====

=== Hourly ===

QC2h-1: PLUMATIC
  * [[.Requirements:Algorithms:Plumatic|Plumatic Specification]]

=== Daily ===

QC2d-1: DIP TESTS
  * [[.Requirements:Algorithms:Extreme|First Specification: Detection and correction of extremes / Dip Test / ...]]
  * [[.Requirements:Algorithms:DipTest01|First Revision]]
  * [[.Requirements:Algorithms:DipTest02|Update]] based on {{kvalobs:kvoss:system:qc2:friskmelding_qc1_qc2_v21.pdf|friskmelding}} document and discussion. 
  * [[.Requirements:Algorithms:DipTest03|Final version]] following {{kvalobs:kvoss:system:qc2:dip-test-criteria-201104.pdf|}}.

QC2d-2: SIMPLE INTERPOLATIONS
  * [[.Requirements:Algorithms:SingleLinear|Single missing point interpolation]] and  {{kvalobs:kvoss:system:qc2:qc2-d2_flagg_08_2010_v32.pdf|specification version 3.2}}

QC2d-2: AKIMA INTERPOLATIONS FOR VARIABLE LENGTH GAPS
  * [[.Requirements:Algorithms:GapInterpolate|Method Description]]

QC2-redist: REDISTRIBUTION
  * [[.Requirements:Algorithms:RARR_24|Redistribution of 24 hour preciptation]]
 
QC2d-3: SPATIAL CONTROLS
  * Introduction (2011-11-30): {{kvoss:system:qc2:kvalobs_qc2d3_30-11-2011.pptx|Qc2d3 Romkontroll: SOM og geostatistikk}}

QC2d-4: STATISTICAL CONTROLS
  * [[.Requirements:Algorithms:QC2d-4kvantil|Quantile method]]
  * [[.Requirements:Algorithms:QC2d-4middelverdi|Mean value method]]
  * [[.Requirements:Algorithms:QC2d-4periodesum|Periodic sum method]]

==== Miscellaneous ====

TEMPLATE
  * [[.Requirements:Algorithms:Template|Algorithm Template]]

INTERPOLATION 
  * [[.Requirements:Algorithms:Interpolation|General Guide to Interpolation Options]]
 
{{kvoss:system:qc2:flags_in_qc2.ppt|Qc2 Flags}}

[[.Requirements:cfailed|Format Guidelines for Cfailed]]

**NORDKLIM-OBS Project 4**

A Nordklim-OBS working group is in the process of being set up to develop Qc2 algorithms and provide guidelines for Qc2 software development.

   * [[.Requirements:Nordklim|Inputs from the NORDKLIM-OBS working group]]
   * [[http://www.smhi.se/hfa_coord/nordklim/index.php?page=project|NORDKLIM]]