Pierre Hsieh wrote > Hi > > This table just has a column which type is integer. There are one million > data in this table. I wanna calculate standard deviation on each 50 data > by > order. It means SD1 is from data 1 to data 50, SD2 is from data 51 to > 100.... Is there anyone who can give me some suggestions? Thanks > > Pierre
Integer division David J. -- View this message in context: http://postgresql.nabble.com/how-to-calculate-standard-deviation-from-a-table-tp5835031p5835042.html Sent from the PostgreSQL - general mailing list archive at Nabble.com. -- Sent via pgsql-general mailing list (pgsql-general@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
