-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 03/18/2014 09:42 AM, Seamus Abshere wrote: > Our friends from CartoDB [1] provide a beautiful Jenks Natural > Breaks function for Postgres [2]. It is quite computationally > intensive. > > Even if you don't know what Jenks is, do you see any > optimizations? Not exactly what you asked, but you might try PL/R with the R "classInt" package: http://cran.at.r-project.org/web/packages/classInt/classInt.pdf HTH, Joe - -- Joe Conway credativ LLC: http://www.credativ.us Linux, PostgreSQL, and general Open Source Training, Service, Consulting, & 24x7 Support -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.14 (GNU/Linux) Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iQIcBAEBAgAGBQJTKIAcAAoJEDfy90M199hlTcIP/0jK/8yuAN140a4oj54H4bOr mJwf1XAj0/CefwdgCkaSioiiwSOUGTuJyz+VH05GhKeuWchKiQzuD+w5/ijbjOFj qnxupIoULxBfk/ZA/8bh6/54IGDIlA1F8lFH9lHntPCLGgNnZkwYGsPMGntXUf2/ WfesFAY8D185rnlEVWbC3ZUgeEXj1kxl6xjAJEXlGBoESfGWTKUI04tfg3+wTpHp A2F2Ck579XuxA5WK62fk0+d+B+ua/tixl2xCuRotQvtSQ6LVPQOlo1mBGuVxYtou KrBdyv7rxQzWOxgNePuMBqnMsSowFMP9XC7Lzdlg1NsHQL9o1yLT1bdIrT5lX5OQ DErvAHwh87kfcyFOYTl6uwS0I89gOuaTimYkghlX7dCPWnEu0KKDaLJnVVkcNfi8 Xpyj42AodsfKb7F0elPCYqgBhv+pRwXaPP3ig9SYMgU/h82UFdk/RexqWYK5FwAU XwoeY/NioKahaQYpMXEnWmnvvueuuz+s8KCbNj7avXPEJE4RxuNVLIYShrN64Ydx bW/1/Hpv98Gn71ksSjrVlru1xaxArQhiAImuepWp76LvpvW1rtRUy4+fDDIek+nF TeHiQrzgkdywSKTJCgqxTjIO/PkWV8JIXghc/m0z6qud+8YPa6nbWnIq0XjSjOIQ jQ4u2w6r/7GOl93tT3yY =zPkM -----END PGP SIGNATURE----- -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general