Description Usage Arguments Author(s) References See Also Examples

inverseLogicleTransform can be use to compute the inverse of the Logicle transformation. The parameters w, t, m, a for calculating the inverse are obtained from the 'trans' input passed to the 'inverseLogicleTransform' function. (The inverseLogicleTransform method makes use of the C++ implementation of the inverse logicle transform contributed by Wayne Moore et al.)

1 | ```
inverseLogicleTransform(transformationId, trans)
``` |

`transformationId` |
A name to assigned to the inverse transformation. Used by the transform routines. |

`trans` |
An object of class 'transform' created using the 'logicleTransform' function. The parameters w, t, m, a for calculating the inverse are obtained from the 'trans' input passed to the 'inverseLogicleTransform' function. |

Wayne Moore, N. Gopalakrishnan

Parks D.R., Roederer M., Moore W.A.(2006) A new "logicle" display method avoids deceptive effects of logarithmic scaling for low signals and compensated data. CytometryA, 96(6):541-51.

1 2 3 4 5 6 7 8 9 | ```
data(GvHD)
samp <- GvHD[[1]]
logicle <- logicleTransform(t = 10000, w = 0.5, m = 4.5 , a =0 ,"logicle")
## transform FL1-H parameter using logicle transformation
after <- transform(samp, transformList('FL1-H', logicle))
## Inverse transform the logicle transformed data to retrieve the original data
invLogicle <- inverseLogicleTransform(trans = logicle)
before <- transform (after, transformList('FL1-H', invLogicle))
``` |

Bioconductor-mirror/flowCore documentation built on July 7, 2017, 11:55 p.m.

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