Uncertain Interval Methods for Three-Way Cut-Point Determination in Test Results


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Documentation for package ‘UncertainInterval’ version 0.5.2

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barplotMD Barplot of frequencies, densities or both of the two distributions of patients with and without the targeted condition.
check.data Function to check the dataset of individuals with (1) and without (0) the targeted condition.
get.intersection get.intersection Obtain the intersection of two distributions using the kernel method
greyzone Function for the determination of a grey zone for quantitative diagnostic and screening tests
nlopt.ui Function for the determination of the population thresholds an uncertain and inconclusive interval for bi-normal distributed test scores.
nlopt.ui.general Function for the determination of the population thresholds an uncertain and inconclusive interval for test scores with a known common distribution.
nomogram Fagan's nomogram to show the relationships between the prior probability, the likelihood ratios, sensitivity and specificity, and the posterior probability.
plotMD Function to plot the mixed densities of distributions of individuals with (1) and without (0) the targeted condition.
psa2b CARET PSA Biomarker data - Etzioni substudy (454 control patients; 229 patients with prostate cancer)
quality.threshold Function for the description of the qualities of one or two decision thresholds or threshold.
quality.threshold.uncertain Function for the description of the qualities of the Uncertain Interval.
RPV Trichotomization of ordinal test results using predictive values
synthdata_NACC synthdata NACC
TG.ROC Two-Graphs Receiving Operating Characteristics.
tostbegg2 Hepatic metastasis ultrasound study - Tosteston & Begg study (96 patients)
ui.binormal Function for the determination of the thresholds of an uncertain interval for bi-normal distributed test scores that are considered as inconclusive.
ui.nonpar Function for the determination of an inconclusive interval for continuous test scores
ui.ordinal Function to explore possible uncertain intervals of ordinal test results of individuals with (1) and without (0) the targeted condition.
UncertainInterval Set of functions for the determination of an Uncertain Interval of test scores