Explanation
Co-occurrence is the joint appearance of linguistic units within a defined observational domain. This may be a sentence, a text or a window of specified width. Frequency counts are difficult to compare without that definition. Raw joint frequency and statistically marked association are also different findings: very common words often occur together simply because each is common. Association measures therefore relate observed values to an explicit baseline. Whether a relationship is linguistically significant still requires interpretation. Co-occurrence alone establishes neither a fixed collocation nor a causal or conceptual connection.
Movement of thought
1. Specify the corpus. 2. Define units and the observational window. 3. Count joint occurrences. 4. Consider marginal frequencies and comparison values. 5. Interpret the finding through actual examples.
Scientific use case
Reproducible analysis records tokenisation, window size, corpus size and the association measure used.
Example
One study counts bright and light in the same sentence; another requires immediate adjacency. Their results answer different questions.
Counterexample
A high raw joint count may merely reflect the high frequency of both words in the corpus.
Distinction
Distinguish co-occurrence from collocation, statistical association, sameness of meaning and causation.
Effect on thought and perception
The method makes recurring relationships open to study and their assumptions open to scrutiny.
Resonance
Frequent company invites interpretation without already supplying it.
Provenance
Parallel source review reconciled 2026-10-07; human specialist review not claimed.
Cite this entry
Reich, Michael (Hrsg./ed.): „Co-occurrence“. Atlas der Sprache, AT-NAV-G03-049. ATLAS 259, data model 1.6.0. https://atlasoflanguage.com/concept/AT-NAV-G03-049The address remains stable; editorial content may evolve. Editorial reading state: 2026-10-15. Include your access date for precise references.