Sentence examples for variables validation from inspiring English sources

Although it was possible to obtain a PLS model with high R and relatively high Q with all 184 predictor variables, validation by response permutation showed that the overall PLS model could be due to chance because of the large number of compositional variables relative to the relatively small number of samples.

The variable validation rate among PM samples would be expected in a heterogeneous group composed of high-risk women.

For variable validation, we included only coronary CTAs because it is by far the most common indication for cardiac CT and the only one reported consecutively to the WDHR-CCTR since its establishment.

The proportion of correctly registered variables before validation was assessed.

Yet these variables need validation in an independent patient cohort before implementation into clinical routine.

Two confirmatory experiments were carried out using the optimum values of variables for validation of the model.

a In the training data, each logistic regression model used selected features as independent variables; in validation data, the logistic regression models used the feature group scores and the final feature score, respectively, as independent variable.

The steps involved in a Mendelian randomization investigation are: (1) specification of the dataset(s) for analysis, (2) search for candidate instrumental variables, (3) validation of the instrumental variable assumptions, (4) estimation of the causal effect (if appropriate), (5) supplementary and sensitivity analyses.

The Resource has also designed a CDE data dictionary to provide guidelines for each of the data managers regarding the definition of each CDE, its valid values, variable constraints, validation rules, and any requirements and useful comments with regard to each of the CDEs.

29 34 No derivation studies defined a predictive variable; three validation studies did so for at least one variable (ie, cervical lymph node, 25 27 30 abnormal pharynx 25 and exudate 30), but 7/12 validation studies changed a variable (eg, tender node for node, fever ≥38°C for fever >38°C).

The rate was considerably higher than TP rates of other single-variable models (validation dataset).