Updated dataqualityimprovement (markdown)

wiki/planning/businesscases/dataqualityimprovement.md

@@ -1,7 +1,7 @@
 # Data quality improvement
 
-## Live-delay analysis of GPS
-* per competitor
+## Live-Delay Analysis
+* GPS per competitor
 * wind for advantage line
 
 ## Outlier detection
@@ -13,7 +13,7 @@
 * Wind
 
 ## Connection loss
-* GPS track:
+* GPS Track:
   * introduce states "no data" / "no connection"
     * has to be based on transmission rates
     * no ping available
@@ -34,4 +34,33 @@
   * all competitor or topN competitors
   * all marks or future (remaining) marks
   * take into account #{common legs} of competitors in aggregate calculation
-* Completeness of Regatta
+* Completeness of Regatta
+  * (all races complete) only in rare cases achievable
+  * cleansing of races, if possible
+  * include race states, e.g. DNF, into aggregate calculations, e.g. average speed
+  * take into account #{common races} of competitors in aggregate calculation
+* Robustness of Aggergate Calculations
+  * on all levels: leg, race, regatta, regatta series
+  * aggregate calculation can be corrupted by filtered outliers, lost connection
+* Quality based on Outliers and/or Dropouts
+  * GPS
+  * Wind
+* Network Connectivity
+  * all required channels
+
+## Master Data
+* Competitors: names
+* Sail numbers
+* Boat classes: names
+* Scoring schemes: score corrections
+
+## Data Properties to be visualized or accessible
+* Sampling frequency for GPS
+* Number of active GPS satellites
+* Reflect accuracies of measurements somehow on the UI, e.g. tails along GPS tracks
+
+## Extra-/Interpolation of GPS tracks
+* bridge phase without connection to network or connection to GPS satellites
+
+## Extra-/Interpolation for wind
+* bridge phases without estimation or measurement