The distribution of basal area data was skewed and hence log converted to improve assumptions of normality and focus on relative quantities of species (McCune et al. 2002).
Thus, various sources of independent data can be used to augment evidence for the involvement of a particular gene and improve assumptions regarding causal associations.
To improve assumptions of normality for statistical analysis, we examined the distribution of population means using untransformed, ln (or ln + 1), square-root, arcsin square-root, or e x transformations and chose the best fit to normality according to the Shapiro Wilk statistic (Shapiro and Wilk 1965).
Moreover, we improve several assumptions on the involved mappings.
This enabled improved probing, fewer assumptions, avoidance of premature interpretation, and an accentuated sense of curiosity during interviews.
Conditional modelling, by improving the likely validity of the missing data assumptions improved the fit of all models except one, and should also have improved the external validity of the study.
The potential benefit of vaccinating boys would be improved under these assumptions, but it remains to be determined whether heterosexual men have zero risk for HPV positive anal cancer and to what extent men who have sex with men are at increased risk for HPV positive oropharyngeal squamous cell carcinomas.
In order to improve the assumption of normality, we used a quadratic transformed MDWG and an inverse transformed FCR in the analyses.
The prediction is improved by the assumption that water moves in tightly bound dimers at all concentrations except for low water mole fractions.
