Description Slots Objects from the Class Extends Note Author(s) References See Also Examples

Exponential transform class, which represents a transformation given by the function

*f(parameter,a,b)=e^{parameter/b}*\frac{1}{a}*

`.Data`

Object of class

`"function"`

.`a`

Object of class

`"numeric"`

– non-zero constant.`b`

Object of class

`"numeric"`

- non-zero constant.`parameters`

Object of class

`"transformation"`

– flow parameter to be transformed.`transformationId`

Object of class

`"character"`

– unique ID to reference the transformation

Objects can be created by calls to the
constructor`exponential(parameters,a,b)`

.

Class `"singleParameterTransform"`

, directly.

Class `"transform"`

, by class "singleParameterTransform", distance 2.

Class `"transformation"`

, by class "singleParameterTransform", distance 3.

Class `"characterOrTransformation"`

, by class "singleParameterTransform", distance 4.

The exponential transformation object can be evaluated using the eval method by passing the data frame as an argument.The transformed parameters are returned as a matrix with a single column

Gopalakrishnan N, F.Hahne

Gating-ML Candidate Recommendation for Gating Description in Flow Cytometry V 1.5

logarithm

Other mathematical transform classes:
`EHtrans-class`

,
`asinht-class`

,
`asinhtGml2-class`

,
`dg1polynomial-class`

,
`hyperlog-class`

,
`hyperlogtGml2-class`

,
`invsplitscale-class`

,
`lintGml2-class`

,
`logarithm-class`

,
`logicletGml2-class`

,
`logtGml2-class`

,
`quadratic-class`

,
`ratio-class`

,
`ratiotGml2-class`

,
`sinht-class`

,
`splitscale-class`

,
`squareroot-class`

,
`unitytransform-class`

1 2 3 4 | ```
dat <- read.FCS(system.file("extdata","0877408774.B08",
package="flowCore"))
exp1<-exponential(parameters="FSC-H",a=1,b=37,transformationId="exp1")
transOut<-eval(exp1)(exprs(dat))
``` |

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