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Qualitative properties are properties that are observed and can generally not be measured with a numerical result, unlikequantitative properties, which have numerical characteristics.
Qualitative properties are properties that are observed and can generally not be measured with a numerical result.[1] They are contrasted toquantitative properties which have numerical characteristics.
Although measuring something in qualitative terms is difficult, most people can (and will) make a judgement about abehaviour on the basis of how they feel treated. This indicates that qualitative properties are closely related toemotional impressions.
Atest method can result in qualitative data about something. This can be a categorical result or abinary classification (e.g., pass/fail,go/no go,conform/non-conform). It can sometimes be an engineering judgement.
The data that all share a qualitative property form anominal category. A variable which codes for the presence or absence of such a property is called a binarycategorical variable, or equivalently adummy variable.