Differences

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--- 15_cheatsheet:operators [2026/01/05 15:09] – [Selection Operators] barley1965
+++ 15_cheatsheet:operators [2026/04/21 14:28] (current) – [Selection Operators] Tim
@@ Line 16: / Line 16: @@
 | forall((*//query//*)[//value//]//condition//) | checks if a condition is true for the all results of the query |forall((*f:F*)[length]==1) |
 | exist((*//query//*)[//value//]//condition//) | checks if a condition is true for at least one result of the query |exist((*f:F*)[length]==1) |
+|statistics((*//query//*)[//value//] |return an instance of the class [[https://javadoc.grogra.de/rgg/de/grogra/rgg/Statistics.html| Statistics]] |statistics((*F*)[length]) |
@@ Line 29: / Line 30: @@
 |selectWhereMax((*//query//*),//parameter//)| Select a node of the query where the parameter is the largest | selectWhereMax((*f:F*),f[length]) |
 |selectRandomly((*//query//*) )| select a Random node from the query | selectRandomly((*F*) ) |
-|selectRandomly((*//query//*),prob)| ??? | ???  |
+|selectRandomly((*//query//*),prob)| select a Random node from the query using a given numeric value as weight | selectRandomly((*f:F*),f[length])  more likely to pick longer Fs |