Time is unlike any other variable. This chapter considers the difference in perspectives offered by discrete-time and continuous-time approached to...
This essay reviews emerging trends in modeling repeated measures data. Three longitudinal models are discussed: panel model designs, growth curve...
This is an introduction to dynamical systems ideas. Dynamical systems are mathematical models of one or more constructs that change...
Many applied statistical problems address how change two variables are related. In this chapter derivatives are presented as a language...
This paper examines the estimation of derivatives from in-vehicle measures of vehicle control such as steering wheel angle. At very...
Most methods in statistics are focused on the analysis of mean differences. Mean–difference questions, however, represent only a narrow range...
Rapid Cycling Bipolar Disorder outpatients completed twice-daily mood self-ratings for 3 consecutive months. These ratings were matched with local measurements...
This article describes a model based on a reservoir. This model might be useful for constructs (e.g., stress), where events...
Mediation models based on cross-sectional data can produce unexpected estimates, so much so that making longitudinal or causal inferences is...
Two studies examined the role short-term changes in adult attachment and mindfulness play in depression and general anxiety.