outliers_gaussian {daltoolbox} | R Documentation |
outliers_gaussian
Description
The outliers_gaussian class uses box-plot definition for outliers_gaussian.
An outlier is a value that is below than \overline{x} - 3 \sigma_x
or higher than \overline{x} + 3 \sigma_x
.
The class remove outliers_gaussian for numeric attributes.
Usage
outliers_gaussian(alpha = 3)
Arguments
alpha |
gaussian threshold (default 3) |
Value
returns an outlier object
Examples
# code for outlier removal
out_obj <- outliers_gaussian() # class for outlier analysis
out_obj <- fit(out_obj, iris) # computing boundaries
iris.clean <- transform(out_obj, iris) # returning cleaned dataset
#inspection of cleaned dataset
nrow(iris.clean)
idx <- attr(iris.clean, "idx")
table(idx)
iris.outliers_gaussian <- iris[idx,]
iris.outliers_gaussian
[Package daltoolbox version 1.2.727 Index]