Nothing
Use case:
All features have been calculated:
xtractor$results
Let's say we want to edit our features to use the robust measures median()
and mad()
.
First we need to write the functions:
fun1_robust = function(data) { c(median_sepal_length = median(data$Sepal.Length), mad_sepal_length = mad(data$Sepal.Length)) } fun2_robust = function(data) { c(median_petal_length = median(data$Petal.Length), mad_petal_length = mad(data$Petal.Length)) }
xtractor$remove_feature(fun1)
This deletes all calculated features corresponding to fun1
.
It's also possible to pass a character string:
xtractor$remove_feature("fun2")
All there is left to do is to add the new feature functions and to execute the calculation process:
xtractor$add_feature(fun1_robust) xtractor$add_feature(fun2_robust)
xtractor$calc_features() xtractor$results
unlink("fxtract_files", recursive = TRUE)
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