pre-processing

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• Data Pre-processing — is an often neglected but important step in the data mining process. The phrase Garbage In, Garbage Out is particularly applicable to data mining and machine learning projects. Data gathering methods are often loosely controlled, resulting in out …   Wikipedia

• Pre-echo — is an audio compression artifact where a sound is heard before it occurs (hence the name). It is most noticeable in impulsive sounds from percussion instruments such as castanets or cymbals.It occurs in audio compression algorithms which use… …   Wikipedia

• Processing — Apparu en 2001 Auteurs Ben Fry et Casey Reas …   Wikipédia en Français

• Pre-rendering — is the process in which video footage is not rendered in real time by the hardware that is outputing or playing back the video. Instead, the video is a recording of a footage that was previously rendered on a different equipment (typically one… …   Wikipedia

• Pre-flight (printing) — Pre flighting is a term used in the printing industry to describe the process of confirming that the digital files required for the printing process are all present, valid, correctly formatted, and of the desired type. The term originates from… …   Wikipedia

• pre-soak — pre|soak or pre soak «noun. PREE SOHK; verb. pree SOHK», noun, verb. –n. a stain removing substance put into water to soak laundry before washing: »The difference between a pre soak and a detergent is mainly a difference in the concentration of… …   Useful english dictionary

• pre|soak — or pre soak «noun. PREE SOHK; verb. pree SOHK», noun, verb. –n. a stain removing substance put into water to soak laundry before washing: »The difference between a pre soak and a detergent is mainly a difference in the concentration of active… …   Useful english dictionary

• pre-rRNA — pre ribosomal RNA the large primary transcript that is synthesized and processed in the nucleolus to yield three of the mature rRNA molecules found in eukaryotic ribosomes (18S, 5.8S, and 28S in higher eukaryotes). Small nucleolar RNA s (snoRNA… …   Medical dictionary

• pre-Columbian civilizations — Introduction       the aboriginal American Indian (Mesoamerican Indian) cultures that evolved in Meso America (part of Mexico and Central America) and the Andean region (western South America) prior to Spanish exploration and conquest in the 16th …   Universalium

• Pre- and perinatal psychology — Prenatal and perinatal psychology is an interdisciplinary study [McCarthy WA Nurturing the Possible: Supporting The Integrated Self from the Beginning of Life retrieved from [http://www.sbgi.edu/news/featured3.html] on May 16, 2007. Quote:… …   Wikipedia

• Pre-arrival Review System — The Pre arrival Review System (PARS) allows importers and brokers to submit release on minimum documentation (RMD) information to the Canada Border Services Agency (CBSA) for review and processing before their goods arrive in Canada. This speeds… …   Wikipedia