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DTComPair version 1.2.4 (2024-04-10)

• tab.paired and tab.1test now allow for data where all subjects are either diseased or nondiseased
• Added package website and hex sticker

DTComPair version 1.2.2 (2023-08-20)

• Functions that compare sensitivity/ specificity and predictive values now return lists of vectors (instead of lists of lists).
• Test 1 is consistently used as the reference test.
• In pv.gsand pv.wgs, it is now diff.ppv <- ppv.2-ppv.1 (instead of diff.ppv <- abs(ppv.1-ppv.2)), and accordingly for negative predictive values.
• Added a new function (pv.prev) to allow computation of positive and negative predictive values for different theoretical prevalences.
• Added a new function (sesp.gen.mcnemar) implementing a generalized McNemar’s test for a joint comparison of sensitivity and specificity.
• Redundant table in man/dtcompair-package.rd deleted.

DTComPair version 1.2.0 (2023-04-20)

• pv.rpv() now returns the full variance-covariance matrix (Sigma).
• ellipse.pv.rpv() generates the data to plot a joint confidence region for rPPV and rNPV (depends on the ellipse package) (as in Moskowitz and Pepe, 2006).
• sesp.rel() calculates relative sensitivity and relative specificity (with Wald CIs and p-value).
• tpffpf.rel() calculates relative sensitivity (rTPF) and relative ‘one minus specificity’ (rFPF) (with Wald CIs and p-value), but it does not calculate their individual components (ie, TPFs and FPFs); this function is meant to be used with paired screen-positive designs, where only rTPF and rFPF are estimable form the data (see Cheng and Macaluso, 1997 or Alonzo, Pepe, Moskowitz, 2002).
• The new features were contributed by A. Discacciati - many thanks!

DTComPair version 1.1.0 (2023-02-21)

• Restored compatibility with CRAN requirements.

DTComPair version 1.0.3 (2014-02-14)

• Corrected an error in sesp.diff.ci (detected by F. Gimenez - many thanks!).
• Minor documentation update.

DTComPair version 1.0.2 (2013-11-12)

• Corrected an error in function sesp.exactbinom (detected by J. Swiecicki - many thanks!).
• Minor documentation update.

These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.