HPO Axis

HPO may refer to: *

HPO formalism The history projection operator (HPO) formalism is an approach to temporal quantum logic developed by Chris Isham. It deals with the logical structure of quantum mechanical propositions asserted at different points in time. Introduction In st ...

, an approach to temporal quantum logic *

Hamilton Philharmonic Orchestra The Hamilton Philharmonic Orchestra (HPO) is a Canadian orchestra based in Hamilton, Ontario. The orchestra gives concerts primarily at the FirstOntario Concert Hall. History The Hamilton Philharmonic Orchestra was founded in 1949. Its first co ...

, a symphony orchestra based in Ontario, Canada *

High performance organization The high performance organization (HPO) is a conceptual framework for organizations that leads to improved, sustainable organizational performance. It is an alternative model to the bureaucratic model known as Taylorism. There is not a clear defini ...

, a conceptual framework for organizations *

Highway Post Office The term highway post office refers to brightly colored red, white and blue buses used to carry mail to multiple areas over wide distances. Due to withdrawal of many railway post office (RPO) trains from service, the U.S. Post Office Department ...

, of the United States Postal Service * Homeowner Protection Office, in British Columbia, Canada *

Hpon language Hpon ( my, ဖွန်းဘာသာ; also spelled Hpun) was a moribund Burmish language spoken by older adults in the gorges of the upper Irrawaddy River of Burma, north of Bhamo Bhamo ( my, ဗန်းမော်မြို့ ''ban: ...

, spoken in Burma *

Human Phenotype Ontology The Human Phenotype Ontology (HPO) is a formal ontology of human phenotypes. Developed in collaboration with members of the Open Biomedical Ontologies Foundry, HPO currently contains over 13,000 terms and over 156,000 annotations to hereditary dise ...

Humanist Party of Ontario The Humanist Party of Ontario (HPO) is an unregistered political party in Ontario, Canada. The party has fielded candidates in the 1994 Toronto municipal election, the 1997 Toronto municipal election, the 1999 provincial election, and the 2003 T ...

, a political party in Canada *

Hydrogen peroxide Hydrogen peroxide is a chemical compound with the formula . In its pure form, it is a very pale blue liquid that is slightly more viscous than water. It is used as an oxidizer, bleaching agent, and antiseptic, usually as a dilute solution (3%� ...

, an oxidizer * Premnaspirodiene oxygenase, an enzyme * Hippo, a protein kinase involved in the

Hippo signaling pathway The Hippo signaling pathway, also known as the Salvador-Warts-Hippo (SWH) pathway, is a signaling pathway that controls organ size in animals through the regulation of cell proliferation and apoptosis. The pathway takes its name from one of its k ...

Hyperparameter optimization In machine learning, hyperparameter optimization or tuning is the problem of choosing a set of optimal hyperparameters for a learning algorithm. A hyperparameter is a parameter whose value is used to control the learning process. By contrast, the va ...

, a technique used in automated machine learning {{disambiguation