Exact(1)
For a usable subject pair the predictions are concordant with the outcomes if the ordering of the predictions is equal to the ordering of the outcomes.
Similar(59)
Analogous to the definition of the c-index a fourth option is the number of usable subject pairs as weights, w k = n k (method 4).
Previously, the cluster-specific concordance probability estimates were pooled with the number of usable subject pairs as weights [ 7, 8].
We denote the number of usable subject pairs – pairs of subjects for whom we can determine the ordering of their outcomes – in cluster k by n k.
The number of usable subject pairs n u, the number of concordant subject pairs n c and the number of tied subject pairs n t are: (6) n u = ∑ i ∑ j I y i < y j n c = ∑ i ∑ j I y i < y j and y ^ i < y ^ j n t = ∑ i ∑ j I y i < y j and y ^ i = y ^ j For time-to-event outcomes y, pairs of subjects are usable if their survival times are not equal and at least the smallest survival time is uncensored.
In addition, even in the very best designed and conducted studies it is unusual to finish with a dataset in which complete data are available in a usable format for every subject.
The question on how to extend (or simplify) ISO/IEC11179 to allow for information structuring in a usable and understandable way is a subject of ongoing research [ 23].
It's a usable style in search of a movie.
This was a feasible truth, a usable truth.
For another, there isn't a usable trash bin.
"Clothing is a usable, simple interface," he said.
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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com