Abstract is: Qualitative properties are properties that are observed and can generally not be measured with a numerical result. They are contrasted to quantitative properties which have numerical characteristics. Some engineering and scientific properties are qualitative. A test method can result in qualitative data about something. This can be a categorical result or a binary 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 a nominal category. A variable which codes for the presence or absence of such a property is called a binary categorical variable, or equivalently a dummy variable.
| P1343 | described by source | ISO 80000-1:2009 Quantities and units—Part 1: General | Q26711930 |
| International Vocabulary of Metrology (3rd edition, 2012) | Q70257574 | ||
| P1889 | different from | qualitative research | Q839486 |
| P1880 | measurement scale | nominal scale | Q1706152 |
| P461 | opposite of | quantity | Q309314 |
| P361 | part of | qualitative research | Q839486 |
| Q116652678 | Forest site quality | instance of | P31 |
| Q839486 | qualitative research | different from | P1889 |
| Q309314 | quantity | opposite of | P461 |
| uri / http://www.wikidata.org/entity/L115752-S3 | L115752-S3 | item for this sense | P5137 |
| Ποιοτική μεταβλητή | wikipedia | |
| Qualitative property | wikipedia | |
| Propiedad cualitativa | wikipedia | |
| Propriedade qualitativa | wikipedia | |
| Якісна властивість | wikipedia |
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