The term "classification variable" is a correct and useful phrase in written English.
It is used in the field of statistics and can refer to a set of characteristics that can be used to categorize data. For example, "The age of the participants was a major classification variable in the study."
LDA, using the matrix obtained from the first six PCA components (which explained > 80.8% of the variability observed) and using sex as a classification variable, revealed statistically significant differences between sexes (Wilks's lambda = 0.423; F = 17.043; df = 6, 75; p < 0.0001).
Linear and quadratic effects of prepubertal ADG and BWC and their combinations were modeled including a random classification variable for each trial.
In DA, the classification variable is fixed and predicted by the continuous variables.
One scheme is to select features that correlate strongest to the classification variable.
Table 7 T test on tax learning achievement base on Gender and classification Variable N M DS T value Sig.
The Austrian system uses multiple vessels bypassed as a classification variable, though not the use of catheterisation.
The k-means procedure identifies relatively homogenous subgroups while maximizing the variability between clusters and is able to handle larger amounts of classification variables.
The classification variables of age and gender help to explain the behavior of the majority attributes.
The selection of classification variables was supported by a principal component analysis.
Where classification variables are missing, individuals' surnames and neighborhood contextual measures can provide useful surrogate data elements for comparing population subgroups.
The total FIM™ instrument score, patient age, function-related group, and marital status were found to be useful classification variables.
