One often has the need to show the largest value of a subgroup of records.
In this Coda Archive doc, the person wanted to make notes for stock symbols, and have a view where only the most recent note for each stock symbol is shown.
(But the applications are endless: the best student in each class in the form or grade; the winner of each even at an athletics meet, etc.)
Please refer to the document for an example implementation.
Step 1 Add a column to determine the latest date for each stock symbol.
Step 2 Add a column... (More)