regressionとは

意味・読み方・使い方

発音

• IPA^(key): /ɹiːˈɡɹɛʃən/
• (Canada) IPA^(key): /ɹəˈɡɹɛʃən/

名詞

regression (countable かつ uncountable, 複数形 regressions)

1. An action of regressing, a return to a previous state.
   • 1899: Thorstein Veblen, The Theory of the Leisure Class

     Few of these groups or communities that are classed as "savage" show no traces of regression from a more advanced cultural stage.

2. An action of travelling mentally back in time.
   • 2001, Carol DeCuffa, In Search of Home: An Essential Guide for the Evolving Soul‎^[1]:

     I have done past life regressions on my own through self-hypnosis techniques that I learned in Brian Weiss's book Many Lives, Many Masters as well as with past life regression tapes.

3. (psychotherapy) A psychotherapeutic method whereby healing is facilitated by inducing the patient to act out behaviour typical of an earlier developmental stage.
4. (statistics) An analytic method to measure the association of one or more independent variables with a dependent variable.

   • Supervised learning problems are categorized into "regression" and "classification" problems. In a regression problem, we are trying to predict results within a continuous output, meaning that we are trying to map input variables to some continuous function.[2]

5. (statistics) An equation using specified and associated data for two or more variables such that one variable can be estimated from the remaining variable(s).
6. (programming) The reappearance of a bug in a piece of software that had previously been fixed.
7. (medicine) The diminishing of a cellular mass like a tumor, or of an organ size.
8. (exercise) The making an exercise less straining to perform by manipulating the details of its performance like loaded weight, range of motion, angle, speed.

反意語

• progression

下位語

• linear regression

関連する語

• (コンピューター): regression testing
• (psychotherapy): regression therapy
• (statistics): regression to the mean