Description Usage Arguments Details Value
Merge two statements from different time periods.
1 2 |
x |
statement object |
y |
statement object |
replace_na |
(boolean) replace NAs with zeros |
... |
further arguments passed to or from other methods |
Since statements are basically data.frames the functions are similar. Except:
new statement elements are allways union of input elements, if taxonomy changes new and old elements are visible in all periods
missing values are set to 0 not to NA as merge would normally do
hierarchy is merged from both statements hierarchies
rows are treated as duplicated based on endDate and the row of x is allways considered as duplicate (so y should allways be the later statement)
statement object
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