\name{logicleTransform} \alias{logicleTransform} \title{Compute a transform using the 'logicle' function} \description{ Logicle transformation create a subset of \code{\link{biexponentialTransform}} } \usage{ logicleTransform(transformationId="defaultLogicleTransform", w = 0, r = 262144, d = 5,tol =.Machine$double.eps^0.8, maxit = as.integer(5000)) } \arguments{ \item{transformationId}{ A name to assign to the transformation. Used by the transform/filter integration routines. } \item{w}{positive number that corresponds to the width of the negative data range and the range of linearized data in natural log} \item{r}{top of the scale data value, e.g, 10000 for common 4 decade data or 262144 for a 18 bit data range.} \item{d}{breath of the display in natural logarithm units.} \item{tol}{Acceptable tolerance of the root value} \item{maxit}{ Maximum iterations allowed for the root search process} } \references{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.} \author{ B. Ellis N. LeMeur, N Gopalakrishnan} \seealso{\code{\link[flowCore]{biexponential}} } \examples{ data(GvHD) samp <- read.FCS(system.file("extdata", "0877408774.B08", package="flowCore")) samp <- GvHD[[1]] logicle <- logicleTransform(w=2, "logicle") after <- transform(samp, `FSC-H`=logicle(`FSC-H`)) } \keyword{methods}