(Learn how and when to remove this message). Within statistics, oversampling and undersampling indata analysis are techniques used to adjust the class distribution of a data set (i.e. the ratio between the different classes/categories represented). The meaning of NON- is not : other than : reverse of : absence of. How to use non- in a sentence. Mar 19, 2026 · non-: Used in the sense of no or none, to show lack of or failure to perform; or in the sense of not, to negate the meaning of the word to which it is prefixed. Definition of non- prefix in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. used to add the meaning "not" or "the opposite of" to adjectives and nouns: 2. non-, a prefix meaning "not,'' freely used as an English formative, usually with a simple negative force as implying mere negation or absence of something (rather than the opposite or reverse of it, as often ….
