Questions tagged [isolation-forest]
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questions
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Discordance between various methods of multivariate outliers detection
Here is a small "toy example" dataset, with 15 individuals described by 6 variables (this is R language):
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Oversampling/Undersampling in respect to Train and Test - Isolation Forest
I've got a quite imbalanced data set.
144.496 : 162 -> ratio of 1000:1
I would like to use IsolationForest to detect the 162 anomalys.
I've already split the data.
However, the iForest doesn't ...
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363 views
Isolation forest with categorical data?
I understand how isolation forests can work with numeric data, but I wonder how it can work with categorical data?
Also, at least when working with Sci-kit-Learn, the recommendation I saw was to ...
