[data] initial implementation of Hodrick-Prescott filter for 1D data
[data] initial implementation of Hodrick-Prescott filter for 1D data

git-svn-id: https://svn.zmaw.de/svn/pycmbs/trunk@514 46f1e1ae-ddaa-4461-89cc-888b818d8ef3

Former-commit-id: 4b8d191981aa1176c74921c63f50f79d0d4fdcb4
Former-commit-id: 973108641c6d0d6a69525f7078746853f1341bee
pygeo/pycmbs,pygeo/pycmbs