Discriminant analysis

Japanese: 判別分析

It is a multivariate analysis method that mathematically discovers the factors that serve as the criteria for dividing consumers into two or three groups and measures their influence. Its distinctive feature is that it can distinguish between qualitative factors that cannot be expressed quantitatively, such as educational background and occupation. For example, when dividing the demand group for a certain durable consumer product into "those who want to purchase" and "non-purchasers," it is possible to organize several completely different factors such as income, educational background, occupation, and housing type using a single overall judgment criterion, and mathematically show and distinguish the influence of each factor.

Source : Jericho Consulting Co., Ltd. About the Dictionary of Trade Terms

Japanese:

消費者などを2つないし3つのグループに分ける時の基準となる要因を数学的に発見し、その影響度を測定する多変量解析法のひとつ。学歴や職業といった数量的に表わすことのできない質的要因を使って判別できるところに特徴がある。たとえば、ある耐久消費材の需要層を「購買希望層」と「非購買層」に区分する時、所得や学歴・職業・住居形態などまったく異なる複数の要因をひとつの総合判定基準によって整理し、それぞれの要因の影響力を数学的に示して判別することができる。

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