Exact(1)
In both COPDGene and the FHS, the percentage of HAAs was evaluated as both a continuous and as a binary variable selected on the basis of a prior presentation [ 11] (e.g. ≥10 % or <10%and≥6.4%.4 % or <6.4%[≥6.4%4 % corresponds to the ≥ upper 95th percentile] of the lung occupied by HAAs in COPDGene).
Similar(7)
That is, a predictor variable selected for binary splitting at a given step may be " re-selected" at subsequent steps, or even " re-removed" as at previous steps.
The binary variable (Occ_{i}) takes on the value 1 if occupational change occurs.
The first step in RP involves examining each explanatory variable and selecting one binary split across the sample on one explanatory variable that minimizes the within-group variance in the outcome variable in the two resultant nodes.
That selection is part of any study implies the existence of a binary variable that indicates selection status: selected for the study or not selected.
We accordingly used binary stepwise logistic regression analysis, with a dichotomous dependent variable, selecting for each test the model that maximizes the chi-square likelihood ratio.
( {y}_{m_t} ) Binary variable denoting on or off status of m th type t server.
First, we used gender as a binary variable, based on biology (i.e. sex).
Related(1)
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