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DTComPair version 1.2.6 (2024-09-24)

  • The functions acc.1test() and acc.paired() now allow the user (via the argument method.ci)to choose from a range of differnt types of confidence intervals.

DTComPair version 1.2.4 (2024-04-10)

  • The functions tab.paired() and tab.1test() now allow for data where all subjects are either diseased or nondiseased.
  • A link to a package website and a hex sticker have been added.

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.gs()and 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.
  • A redundant table in man/dtcompair-package.rd was 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.