Exact(4)
Once a decision tree was created, we tested its validity by applying it to predict response in 2 independent studies with similar designs and patient populations.
In this study, a PTFs for bulk density was built using GBM model on data from Region Centre and we tested its validity on data from mainland France except Region Centre.
Finally, we conducted analyses to determine the discrimination characteristics of the tool and tested its validity and robustness.
We tested its validity and found the QOF data to be highly correlated with prescriptions for antidementia medication, indicating that it is a valid measure of the number of people diagnosed with dementia.
Similar(56)
To test its validity we applied it to data for common, rare, and very rare variants simulated under the null hypothesis.
It would be important to refer the applicability of the present method to the 3D mode, but it would be important to directly test its validity.
With only one instrument, it will only be possible to test its validity but not its exogeneity.16 Even so, the proposed model is interesting to establish relations between the variables of interest.
External validation of the SORT is necessary to test its validity further, as is the periodic recalibration and re-evaluation of the model to maintain validity as healthcare delivery changes 44, 45.
Positivists generally maintained that theories might come and go, whereas the facts of observation and their empirical regularities constituted a firm ground from which scientific reasoning could start and to which it must always return in order to test its validity.
Since then geographers have sought to test its validity.
I for one am happy to ignore it until someone comes up with a way for us to test its validity.
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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