Calls regions that are copy neutral from the total copy numbers (TCNs) of segments in allelic balance (AB).
# S3 method for PairedPSCBS
callCopyNeutralByTCNofAB(fit, delta=estimateDeltaCN(fit), alpha=0.05, ..., force=FALSE,
  verbose=FALSE)Returns a PairedPSCBS fit object where a column
  with the copy-neutral call.
A PairedPSCBS fit object as returned by
    segmentByPairedPSCBS.
A non-negative double specifying the width of the
    "acceptance" region.
    Defaults to half of the distance between two integer TCN states,
    i.e. 1/2.  This argument should be shrunken as a function of
    the amount of the normal contamination and other background signals.
A double in [0,0.5] specifying the significance level
    of the confidence intervals used.
Additional arguments passed to
             *calcStatsForCopyNeutralABs().
If TRUE, an already called object is skipped, otherwise not.
See Verbose.
Henrik Bengtsson
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