The patient age for this data set ranges from 18 to 47 years, and the mean patient age is 26 ± 7.5 years.
Consequently, each node is responsible for the ring region between itself and its predecessor; for example, node N1 is responsible for data range 1, node N2 for data range 2, and so on.
Estimated partial correlations for our data range from small (−0.12) to modest (−0.49).
Data management included checking for missing data, range and consistency checks.
In general, potential sources for data range from people's answers to survey questions [57], investigating communication in mailing lists [58], over sourcing bug repositories [59], smart phone data [60], software repositories [61] and databases, to log file analysis [62].
Perhaps most importantly for this project, the caries data range was very wide: both within the individual ethnic groups and according to water fluoridation status.
Our objective was to compare five analysis methods using Cox regression for this type of data, ranging from a crude model that ignores the stratification to a flexible one that allows nonproportional hazards and varying covariate effects across the strata.
Besides, the data sets considered for training, cover all data range.
Since the Km for all of these enzymes is in the mM range, while the blood toluene concentrations for this data are in the μM range, it was assumed that the metabolism is linear which, in PKQuest, is indicated by using Tclr (in place of Vm and Km).
