I remember in q, we can assign a temporary variable during select and
use it again in the same column, but seems it is not working. For
example, select (total+5)%(total:a+b) from t this should be same as
select (a+b+5)%(a+b) from t What is wrong with...
hi, is there a function to compute rolling linear regression (multiple
independent variables) for a q table? I am looking for something like
in python. Thanks. p...
hi, how can I swap key and list of values using q? Thanks! python
for example: 1 2 3!(4 5 3;6 7 3;4 1) becomes 1 3 4 5 6 7!(e...