Updated dataqualityimprovement (markdown)

wiki/planning/businesscases/dataqualityimprovement.md

@@ -17,3 +17,21 @@
   * introduce states "no data" / "no connection"
     * has to be based on transmission rates
     * no ping available
+* Wind
+
+## Data quality measures
+* Start Phase
+  * correctness of start time on start boat
+  * stabilize start detection algorithms / heuristic
+* Completeness of Leg
+  * mark tracks & passings
+  * gps fixes
+  * wind measurements
+  * leg type detection
+* Completeness of Race
+  * competitor tracks: gps, mark passings
+  * mark tracks: validation (compare marks & competitor tracks); recalculation of mark passings
+  * all competitor or topN competitors
+  * all marks or future (remaining) marks
+  * take into account #{common legs} of competitors in aggregate calculation
+* Completeness of Regatta