Ttr

TTR is an acronym that can refer to several concepts in different fields. Because meanings vary by domain, it is important to identify the context in which the term is used. Common interpretations include metrics in information technology, a linguistic measure, and a disaster recovery term.

Time to Resolution refers to a metric used in IT service management and customer support. It measures the average time from when a ticket is opened to when it is fully resolved. TTR is used to assess support efficiency, identify bottlenecks, and guide process improvements. It can be affected by ticket complexity, staffing levels, and escalation procedures, and is often tracked alongside related metrics such as first-contact resolution.

Type-Token Ratio is a statistical measure in corpus linguistics that gauges lexical diversity within a text. It is calculated as the number of distinct words (types) divided by the total number of words (tokens). A higher TTR signals greater vocabulary variety, but the value is sensitive to text length, genre, and sampling method. Researchers typically use TTR with cautions and often complement it with additional diversity metrics to obtain a fuller picture of language use.

Time to Recovery is a term used in disaster recovery and business continuity planning. It describes the time required to restore full functionality after a disruption and is related to, but distinct from, recovery time objective (RTO). TTR helps organizations assess resilience, plan recovery strategies, and support testing of recovery procedures.

Other uses of TTR can occur in specialized contexts, including certain NLP applications and industry-specific jargon, but the three meanings above are among the most widely encountered.