sim.sigmoid: Signal perturbation: sigmoid curve

In davnovak/qctoy: Synthetic QC data generator

Description

Distort a baseline signal by permanently shifting part of the baseline by a specified amount, inserting a sigmoid curve as transition to the new part of the baseline.

Usage

sim.sigmoid(baseline, range, range_by_time = TRUE, shift,
  right_side = TRUE)

Arguments

baseline	baseline, as generated by function sim.baseline, possibly perturbed by other functions.
range	indices of affected values. Either a start and end index or the whole range. If length of range is 2 and second value is infinity, the second value is converted to highest possible value. If range is NULL, maximum range (1 to max) is taken.
range_by_time	Boolean, indicates whether values in range correspond to value of time of signal, rather than row indices. This is recommended, since time values for fluorescence signals with non-uniform flow rate are also not uniform.
shift	offset of the newly elevated/decreased level of the baseline.
right_side	Boolean, increases whether the shift should occur over increasing time (versus decreasing).

Value

Modified baseline input.

See Also

See functions beginning with sim.sample. for examples of usage.

davnovak/qctoy documentation built on Nov. 4, 2019, 9:45 a.m.