Simply pushes the input forward.
Can be useful during
Graph construction using the
%>>%-operator to specify which
PipeOp gets connected to which.
R6Class object inheriting from
PipeOpNOP$new(id = "nop", param_vals = list())
Identifier of resulting object, default
param_vals :: named
List of hyperparameter settings, overwriting the hyperparameter settings that would otherwise be set during construction. Default
PipeOpNOP has one input channel named
"input", taking any input (
"*") both during training and prediction.
PipeOpNOP has one output channel named
"output", producing the object given as input (
"*") without changes.
$state is left empty (
PipeOpNOP has no parameters.
PipeOpNOP is a useful "default" stand-in for a
Graph that does nothing.
Only fields inherited from
Only methods inherited from
Other Placeholder Pipeops:
library("mlr3") nop = po("nop") nop$train(list(1)) # use `gunion` and `%>>%` to create a "bypass" # next to "pca" gr = gunion(list( po("pca"), nop )) %>>% po("featureunion") gr$train(tsk("iris"))[]$data()
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