• No results found

An example of a receiver operating characteristic (ROC) curve

Semi-parametric Regression for the Area Under the Receiver Operating Characteristic Curve

Semi-parametric Regression for the Area Under the Receiver Operating Characteristic Curve

... the performance of a classifier. Attractions of this approach are that it can be simply applied by adapting standard binary regression methods, it requires fewer assumptions than existing ROC regression methods, it is the ...

26

Estimating the area under a receiver operating characteristic curve for repeated measures design

Estimating the area under a receiver operating characteristic curve for repeated measures design

... Repeated measures design is widely used in biological, medical and health services research, but statistical methods for estimating ROC curves and their summary statistics have been lacking for such designs, especially ...

18

A global goodness-of-fit test for receiver operating characteristic curve analysis via the bootstrap method

A global goodness-of-fit test for receiver operating characteristic curve analysis via the bootstrap method

... ROC curve to the empirical data: first, conduct a direct test of the binor- mal assumption, such as the z test of normality for the non-diseased and diseased sample data or their appro- priately transformed ...For ...

9

Using the Optimal Receiver Operating Characteristic Curve to Design a Predictive Genetic Test, Exemplified with Type 2 Diabetes

Using the Optimal Receiver Operating Characteristic Curve to Design a Predictive Genetic Test, Exemplified with Type 2 Diabetes

... an example an existing predictive genetic test, 3 and the result from the optimal ROC curve method was found to be highly consistent with the one originally ...ROC curve and the optimal ROC ...

11

Receiver operating characteristic (ROC) curve for medical researchers

Receiver operating characteristic (ROC) curve for medical researchers

... ROC Curve The choice of fixed specificity or range of specificity depends upon clinical ...For example, to diagnose serious disease such as cancer in a high risk group, test that has higher sensitivity is ...

11

A Linear Regression Framework for Receiver Operating Characteristic(ROC) Curve Analysis

A Linear Regression Framework for Receiver Operating Characteristic(ROC) Curve Analysis

... One example is that for certain test whose test subjects include both men and women or both younger and older people, its performance may vary between men and women or between younger and older ...

23

On the optimism correction of the area under the receiver operating characteristic curve in logistic prediction models

On the optimism correction of the area under the receiver operating characteristic curve in logistic prediction models

... For example, when working with a low prevalence and correlated covariates, larger sample sizes will be needed to ensure a good performance of the optimism correction ...

18

Receiver Operating Characteristic (ROC) Analysis

Receiver Operating Characteristic (ROC) Analysis

... given curve represents a specific TP and FP fraction or decision threshold ...For example, on the “good” curve, the plus sign represents a rather conservative decision maker – not reporting a lot of ...

12

Confidence Intervals for the Area Under the Receiver Operating Characteristic Curve in the Presence of Ignorable Missing Data

Confidence Intervals for the Area Under the Receiver Operating Characteristic Curve in the Presence of Ignorable Missing Data

... For example, a dataset concerning the Alzheimer’s disease (AD) that we will analyze in Section 6 contains the variable outcome with a value of 1 if the patient has AD or 0 if the patient does not have the ...

33

Evaluation of an optimal receiver operating characteristic procedure

Evaluation of an optimal receiver operating characteristic procedure

... ROC curve (composed by ordering the predicted P ( D | G k ) values from the model) is shown in Figure 1 along with the original Lu-Elston ROC ...logistic curve has a slightly lower computed AUC – ...For ...

5

The use of receiver operating characteristic curves in biomedical informatics

The use of receiver operating characteristic curves in biomedical informatics

... ROC curve. In the example above with a set of five possible output values, there would be only six points on the ROC curve regardless of the size of the data ...ROC curve can reduce the ...

12

Statistics review 13: Receiver operating characteristic curves

Statistics review 13: Receiver operating characteristic curves

... Figure 1 suggests that lactate does not provide a very good indication of mortality but that it is better than a random guess. The performance of a diagnostic variable can be quantified by calculating the area under the ...

5

Multi-objective optimisation for receiver operating characteristic analysis

Multi-objective optimisation for receiver operating characteristic analysis

... As we described for the STCA example, a common use of the two-class ROC curve is to locate a ‘knee’, a point of high curvature. The parameters at the knee are chosen as the operational parameters because ...

24

Receiver Operating Characteristic (ROC) Area Under the Curve (AUC): A Diagnostic Measure for Evaluating the Accuracy of Predictors of Education Outcomes

Receiver Operating Characteristic (ROC) Area Under the Curve (AUC): A Diagnostic Measure for Evaluating the Accuracy of Predictors of Education Outcomes

... Bowers & Zhou (2019) imputations, before using pROC to calculate AUC so that the results will be more generalizable. As we were attempting to provide an example in practice with data similar to what a school ...

19

Nonparametric and Semiparametric Estimation of the Three Way Receiver Operating Characteristic Surface

Nonparametric and Semiparametric Estimation of the Three Way Receiver Operating Characteristic Surface

... as receiver operating characteristic (ROC) curve and area under the ROC curve (AUC) need to be expanded to address three-category classification ...disease example from a ...

25

Sex differences in the prediction of the effectiveness of paroxetine for patients with major depressive disorder identified using a receiver operating characteristic curve analysis for early response

Sex differences in the prediction of the effectiveness of paroxetine for patients with major depressive disorder identified using a receiver operating characteristic curve analysis for early response

... Methods Patients Patients eligible for this study included male and female patients aged 18–70 years. They suffered from MDD accord- ing to the Diagnostic and Statistical Manual of Mental Disorders Fourth Edition and ...

8

Non Parametric Confidence Intervals for Receiver Operating Characteristic Curves

Non Parametric Confidence Intervals for Receiver Operating Characteristic Curves

... For example, we demonstrate that bandwidths which are appropriate for point or curve estimation are not of the right size for good coverage ...for receiver operating characteristic ...

14

Application of receiver operating characteristic curve for pipeline reliability analysis.

Application of receiver operating characteristic curve for pipeline reliability analysis.

... paper, Receiver Operating Characteristic (ROC) curve has been applied where empirical and Nonparametric Predictive Inference (NPI) techniques are used to evaluate the accuracy of pipeline ...

29

A Linear Regression Framework for the Receiver Operating Characteristic(ROC) Curve Analysis

A Linear Regression Framework for the Receiver Operating Characteristic(ROC) Curve Analysis

... ROC curve; Sensitivity Introduction New advances in medical technology have produced an array of potentially powerful tools to screen for and diagnose various medical ...the receiver operating ...

9

Estimation and Comparison of Receiver Operating Characteristic Curves

Estimation and Comparison of Receiver Operating Characteristic Curves

... The receiver operating characteristic (ROC) curve displays the capacity of a marker or diagnostic test to discriminate between two groups of subjects, cases versus ...ROC curve as the ...

14

Show all 10000 documents...

Related subjects