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Results tagged with machine-learning
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user 95498
Machine Learning is a subfield of computer science that draws on elements from algorithmic analysis, computational statistics, mathematics, optimization, etc. It is mainly concerned with the use of data to construct models that have high predictive/forecasting ability. Topics include modeling building, applications, theory, etc.
2
votes
1
answer
262
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Gini index as a labeling strategy for leaf nodes
Can we use the gini index to assign a class to a leaf node? If yes how? As far as I understand the gini index can only be used as a splitting metric.
- 153
0
votes
1
answer
689
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Impurity measures in decision trees
I have recently stepped into impurity based criteria for decision trees and I was just wondering why do we really need an impurity based criteria model such as the Gini index? What if we could simply …
- 153
1
vote
1
answer
253
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Support Vectors of SVM
I have read somewhere that the value of slack variables of support vectors is not 0. Does that mean the points lying in the wrong region e.g a positive point lying in the negative region will also be …
- 153