Then, the new parameter(s) which are farthest away from the main cluster of variables (parameters) are selected as the crucial indexes for next evaluation.
REDCap has user-specified input modules for a specific cluster of variables, e.g. modules on: QoL, blood sampling, spirometry, without restriction in time and numbers.
The term "patient-reported outcomes" (PROs) has been growing in use to refer to a cluster of variables such as health-related quality of life, symptoms, physical functioning, psychological well-being, treatment satisfaction, and treatment preferences.
A cluster of variables related to frequent use of topical face care products (moisturiser, night cream, cleanser/soap) was also found to associate with younger perceived age.
Each factor now represents one cluster of variables.
Each internal node in the tree represents a cluster of variables, its descendants, whose values (expression) are similar.
Univariable and multivariable logistic regression will be performed to examine which variables or cluster of variables are associated with death within one year (unexpected admission to hospital respectively).
A repeated measures ANOVA with planned contrasts and a Bonferroni adjustment for multiple contrasts was used to examine each cluster of variables.
The EuroQol items of mobility, self care and usual activities formed a separate cluster of variables, as did anxiety/depression and cognition, while pain clustered with items from the OHIP physical pain subscale.
Adult redbacks are solitary, but juveniles live in clusters of variable density for a week after hatching.
