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In this experiment the tool was used to choose one subset of descriptors from a group of alternative subsets generated automatically by one or more descriptor selection methods.
Prior estimate of data set modelability can reduce modelers efforts by focusing in the most promising problems or identifying the challenging ones that may require more data, more descriptor variability or different strategies.
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We also note that adding more descriptors to a QM QSPR model brings less improvement than adding more descriptors to an EEM QSPR model.
For this reason, another set of experiments was carried out where more descriptors were generated.
The more descriptors are used, the greater is the likelihood that a candidate molecule will fall outside the limits of one or more of these descriptors [19].
The confirmatory datasets represented with significantly more descriptors have only produced slightly better results than the smaller datasets.
Model represents a mathematical relationship that relates a Property (dependent variable) with one or more Descriptors (independent variables).
On the basis of the 39 descriptor scaling, more descriptors should be collected and categorized to enrich the current pool of descriptors.
This means that if two or more descriptors are conveying similar information, the tool should help choose the most meaningful or suitable descriptors for the model, and thus keeping the descriptor subset small.
For aryl-amines, the quantum mechanically derived reaction energy for forming a known reactive intermediate was shown to be a more stable and accurate predictor than statistical models with more descriptors.
However it is interesting to note that although a small number of the test set compounds fall just outside the domain for one or more descriptors, it is not these compounds which the models fail to predict accurately.
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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