precision-recall and ROC curve for the threshold choice. It implies that the training of the machine optimizes the point on the ROC curve (the point for the midway of the separation zone, i.e. 0:5, is highlighted). Figure 5 shows an example output segmentation. Using all patches of the training and validation set, a deep CNN was trained to identify the probability that a patch harbours pancreatic cancer and to classify the patch as cancerous or non-cancerous on the basis of the cutoff that achieved the highest Youden index in the receiver operating characteristic (ROC) curve constructed using the ...

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    The diagnostic and predictive accuracy, sensitivity, specificity, positive predictive value, negative predictive value, receiver operating characteristic (ROC) curve, area under the ROC curve, confusion matrix, and 95% confidence intervals (CIs) were calculated using our deep CNN algorithm, based on a Keras framework in Python.

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    Measuring classification performance(ROC curve, precision, recall, etc.) ... The most celebrated progress in neural networks comes from these CNN architectures. Warning. If you pass a parameter range to Train Model, it uses only the first value in the parameter range list.. If you pass a single set of parameter values to the Tune Model Hyperparameters module, when it expects a range of settings for each parameter, it ignores the values and uses the default values for the learner.

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