1 Back pain and Groin pain and Sensory symptoms (6 causes). 2  Back pain and Groin pain and Abdominal pain (4 causes). 3  Back pain and Groin pain and Abdominal symptoms (3 causes). 4  Back pain and Groin pain and Body symptoms (3 causes). 5  Back pain and Groin pain and Digestive symptoms (3 causes).
What does presentational features mean? Presentation means showing something to someone, and feature means an extended part of something like wifi for a pc, sooo. This must mean showing an extended part something to â¦ someone. If you know what i'm saying!
In machine learning and pattern recognition, a feature is an individual measurable property or characteristic of a phenomenon being observed. Choosing informative, discriminating and independent features is a crucial step for effective algorithms in pattern recognition, classification and regression. Features are usually numeric, but structural features such as strings and graphs are used in syntactic pattern recognition. The concept of feature is related to that of explanatory variable used i