Differences

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--- kvalobs:kvoss:system:qc2:requirements:algorithms:mist [2009-12-06 19:04:36]
paule created
+++ kvalobs:kvoss:system:qc2:requirements:algorithms:mist [2022-05-31 09:29:32] (current)
@@ Line 11: / Line 11: @@
   - Checks for the Max and Min temperature for the missing value from the measurements registered in the hour afterwards
   - Provide an estimate T1 for the missing value as the average of 0.5*(MaxT + MinT)
+  - Update the correcte dvalue following the rules below:
-If an existing corrected value exists and it was generated by HQC
+  If an existing corrected value exists and it was generated by HQC:
-  - do not update, leave correction from HQC
+  * do not update, leave correction from HQC
-If an existing corrected value exists and not from HQC:
+  If an existing corrected value exists and not from HQC:
-  - check if existing value:  MaxT >= existing corrected >= MinT
+  * check if existing value:  MaxT >= existing corrected >= MinT
-  - if FALSE update corrected with T1
+  * if FALSE update corrected with T1
-If no corrected value exists:
+  If no corrected value exists:
-  - update corrected value with T1
+  * update corrected value with T1
@@ Line 30: / Line 31: @@
 ==== Quality Control Level ====
-  * ...
+  * Non-real time (Qc2)
@@ Line 37: / Line 38: @@
 It shall be possible to run the algorithm for
-  * ...
+  * Any arbitrary time range.
-  * ...
+  * In automatic mode for ann arbitrary sliding time window (e.g. the last N days from today).
-  * ...
+  * The algorithm is specific to hour temperature measurements.
 ==== Characteristics of the data to which the method is applied ====
@@ Line 45: / Line 46: @@
 __CONTROLINFO AND/OR USEINFO__
-  * ...
+  * The trigger for the method is the identification of a missing original value (i.e. -32767).
 __TYPEID, PARAMIDS, OTHER METADATA__
-  * ...
+  * Paramid=211
+Note: The MinT and MaxT data are located in the paramids 213 and 215 respectively, as the regular kvalobs variables TAN and TAX.
 ==== Flag Settings ====
@@ Line 55: / Line 59: @@
 __SPECIFICATION OF CONTROLFLAGS TO BE SET FOR EXPECTED RESULTS OF THE ALGORITHM, I.E. CONSIDER BOTH POSITIVE AND NEGATIVE RESULTS__
-  * ...
+Follow the standard defined in the original kvalobs specification.
+controlinfo(7), ftime
+| |ftime=0|Ikke kontrollert|
+|QC2d-2|**ftime=1**|**Interpolert/korrigert med godt resultat**|
+|QC2d-2|**ftime=2**|**Interpolert/korrigert med usikkert resultat**|
+|QC2d-2|ftime=3|Forsøkt interpolert/korrigert. Metode uegnet.|
+and add to cfailed that the method appiled was TAN, TAX average.
+NB if the TAN TAX method is used (i.e. the correct information is available) and no HQC is overwritten, the result will always be ftime=1.
 __EXPECTIONS OF THE USEINFO FLAGS CORRESPONDING TO CONTROLINFO FLAG SETTINGS__
-  * ...
+  * TBD