StatisticalVariable｜schema.orgの型・プロパティ22個の一覧
StatisticalVariableとは？
StatisticalVariable は、schema.org で決められている型のひとつです。ConstraintNode の一種として定義されています。形のないもの（価格・評価・数量・サービスなど）を表すとき に使います。
schema.org の定義（原文）
StatisticalVariable represents any type of statistical metric that can be measured at a place and time. The usage pattern for StatisticalVariable is typically expressed using Observation with an explicit populationType, which is a type, typically drawn from Schema.org. Each StatisticalVariable is marked as a ConstraintNode, meaning that some properties (those listed using constraintProperty) serve in this setting solely to define the statistical variable rather than literally describe a specific person, place or thing. For example, a StatisticalVariable Median_Height_Person_Female representing the median height of women, could be written as follows: the population type is Person; the measuredProperty height; the statType median; the gender Female. It is important to note that there are many kinds of scientific quantitative observation which are not fully, perfectly or unambiguously described following this pattern, or with solely Schema.org terminology. The approach taken here is designed to allow partial, incremental or minimal description of StatisticalVariables, and the use of detailed sets of entity and property IDs from external repositories. The measurementMethod, unitCode and unitText properties can also be used to clarify the specific nature and notation of an observed measurement.
出典: https://schema.org/StatisticalVariable（英語。訳すと意味が変わることがあるため、原文のまま載せています）
どこに位置する型か
Thing → Intangible → ConstraintNode → StatisticalVariable
上にある型ほど広い意味です。書くときは、そのページに一番近い（下にある）型を選びます。
Googleのリッチリザルトに対応していますか？
公式ギャラリーには載っていません。ただし、載っていない型を書いてはいけないという意味ではありません。schema.org の語彙は、検索結果の見た目を変えるためだけのものではなく、ページが何について書かれているかを機械に伝えるためのものです。リッチリザルトが出るかどうかと、書いてよいかどうかは別の話です。
この型そのもののプロパティ（7個）
| プロパティ | 入る値の型 | schema.org の説明（原文） |
|---|---|---|
measuredProperty | Property | The measuredProperty of an Observation, typically via its StatisticalVariable. There are various kinds of applicable Property: a schema.org property, a property from other RDF-compatible systems, e.g. W3C RDF Data Cube, Data Commons, Wikidata, or schema.org extensions such as GS1's. |
measurementDenominator | StatisticalVariable | Identifies the denominator variable when an observation represents a ratio or percentage. |
measurementMethod | DefinedTerm、MeasurementMethodEnum、Text、URL | A subproperty of measurementTechnique that can be used for specifying specific methods, in particular via MeasurementMethodEnum. |
measurementQualifier | Enumeration | Provides additional qualification to an observation. For example, a GDP observation measures the Nominal value. |
measurementTechnique | DefinedTerm、MeasurementMethodEnum、Text、URL | A technique, method or technology used in an Observation, StatisticalVariable or Dataset (or DataDownload, DataCatalog), corresponding to the method used for measuring the corresponding variable(s) (for datasets, described using variableMeasured; for Observation, a StatisticalVariable). Often but not necessarily each variableMeasured will have an explicit representation as (or mapping to) an property such as those defined in Schema.org, or other RDF vocabularies and "knowledge graphs". In that case the subproperty of variableMeasured called measuredProperty is applicable. The measurementTechnique property helps when extra clarification is needed about how a measuredProperty was measured. This is oriented towards scientific and scholarly dataset publication but may have broader applicability; it is not intended as a full representation of measurement, but can often serve as a high level summary for dataset discovery. For example, if variableMeasured is: molecule concentration, measurementTechnique could be: "mass spectrometry" or "nmr spectroscopy" or "colorimetry" or "immunofluorescence". If the variableMeasured is "depression rating", the measurementTechnique could be "Zung Scale" or "HAM-D" or "Beck Depression Inventory". If there are several variableMeasured properties recorded for some given data object, use a PropertyValue for each variableMeasured and attach the corresponding measurementTechnique. The value can also be from an enumeration, organized as a MeasurementMethodEnum. |
populationType | Class | Indicates the populationType common to all members of a StatisticalPopulation or all cases within the scope of a StatisticalVariable. |
statType | Property、Text、URL | Indicates the kind of statistic represented by a StatisticalVariable, e.g. mean, count etc. The value of statType is a property, either from within Schema.org (e.g. median, marginOfError, maxValue, minValue) or from other compatible (e.g. RDF) systems such as DataCommons.org or Wikidata.org. |
この記事と同じものを、あなたの会社のサイトに毎日2本。ことば選びから公開まで代行します。1日667円（税抜）から。
ほったらかし集客の料金はこちら →親の型から受け継ぐプロパティ（15個）
上の型で決まっているものは、この型でもそのまま使えます。
| プロパティ | 入る値の型 | schema.org の説明（原文） | どの型から |
|---|---|---|---|
constraintProperty | Property、URL | Indicates a property used as a constraint. For example, in the definition of a StatisticalVariable. The value is a property, either from within Schema.org or from other compatible (e.g. RDF) systems such as DataCommons.org or Wikidata.org. | ConstraintNode |
numConstraints | Integer | Indicates the number of constraints property values defined for a particular ConstraintNode such as StatisticalVariable. This helps applications understand if they have access to a sufficiently complete description of a StatisticalVariable or other construct that is defined using properties on template-style nodes. | ConstraintNode |
additionalType | Text、URL | An additional type for the item, typically used for adding more specific types from external vocabularies in microdata syntax. This is a relationship between something and a class that the thing is in. Typically the value is a URI-identified RDF class, and in this case corresponds to the use of rdf:type in RDF. Text values can be used sparingly, for cases where useful information can be added without their being an appropriate schema to reference. In the case of text values, the class label should follow the schema.org style guide. | Thing |
alternateName | Text | An alias for the item. | Thing |
description | Text、TextObject | A description of the item. | Thing |
disambiguatingDescription | Text | A sub property of description. A short description of the item used to disambiguate from other, similar items. Information from other properties (in particular, name) may be necessary for the description to be useful for disambiguation. | Thing |
identifier | PropertyValue、Text、URL | The identifier property represents any kind of identifier for any kind of Thing, such as ISBNs, GTIN codes, UUIDs etc. Schema.org provides dedicated properties for representing many of these, either as textual strings or as URL (URI) links. See background notes for more details. | Thing |
image | ImageObject、URL | An image of the item. This can be a URL or a fully described ImageObject. | Thing |
mainEntityOfPage | CreativeWork、URL | Indicates a page (or other CreativeWork) for which this thing is the main entity being described. See background notes for details. | Thing |
name | Text | The name of the item. | Thing |
owner | Organization、Person | A person or organization who owns this Thing. | Thing |
potentialAction | Action | Indicates a potential Action, which describes an idealized action in which this thing would play an 'object' role. | Thing |
sameAs | URL | URL of a reference Web page that unambiguously indicates the item's identity. E.g. the URL of the item's Wikipedia page, Wikidata entry, or official website. | Thing |
subjectOf | CreativeWork、Event | A CreativeWork or Event about this Thing. | Thing |
url | URL | URL of the item. | Thing |
書き方の骨組み
Googleが推奨している書き方は JSON-LD です。<script type="application/ld+json"> の中に入れます。
{
"@context": "https://schema.org",
"@type": "StatisticalVariable",
"name": "（名前）"
, "url": "（url の値）"
, "description": "（description の値）"
, "image": "（image の値）"
}（値の中身は、そのページに実際に表示されている内容にしてください。表示されていないことを構造化データに書くのは、Googleのポリシー違反です。）
ほかの型を調べる
- schema.orgの型 全件の一覧
- schema.orgのプロパティ 全件の一覧
- Googleのリッチリザルトに対応している型
- 構造化データの書き方（Googleの公式文書から）
- AI・検索のクローラー一覧とrobots.txtの書き方
出典
- schema.org StatisticalVariable（この型の公式ページ）
- Google「構造化データの概要」
- Google「構造化データに関する一般的なガイドライン」
- Google「リッチリザルトの一覧」
このページの型名・説明・親子関係・プロパティは、schema.org が配布している語彙ファイルから機械的に取り出したものです。人の手で足した説明はありません。仕様は変わります。実装の前に原文をご確認ください。
検索とAIに見つけてもらう記事づくりを、ほったらかし集客が毎日2本、代わりに公開します。1日667円（税抜）から。