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Simone
Helsinki, Finland
Check out my twitter account: @ialuronico
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Top Questions
23
votes
Superscripts before a letter in math
superscripts
asked Oct 5 '11 at 13:32
tex.stackexchange.com
15
votes
Is There a Continuous Analogue of the Hypergeometric Distribution?
probability-distributions
asked Aug 4 '12 at 2:33
math.stackexchange.com
14
votes
When over/under-sampling unbalanced classes, does maximizing accuracy differ from minimizing misclassification costs?
machine-learning
classification
unbalanced-classes
asked Oct 18 '11 at 20:55
stats.stackexchange.com
12
votes
Statistical test for positive and negative predictive value
epidemiology
contingency-tables
p-value
asked Jan 17 '11 at 11:25
stats.stackexchange.com
9
votes
Survival analysis for event prediction
classification
survival
asked Jan 9 '13 at 7:27
stats.stackexchange.com
7
votes
Accuracy of a random classifier
machine-learning
classification
asked Oct 14 '11 at 13:18
stats.stackexchange.com
7
votes
Interactive decision trees
sas
cart
weka
asked Feb 15 '11 at 15:52
stats.stackexchange.com
7
votes
Random forests vs boosting
random-forest
boosting
asked Mar 14 '13 at 23:09
stats.stackexchange.com
5
votes
CART for unsupervised learning - clustering
clustering
cart
asked Oct 23 '15 at 6:57
stats.stackexchange.com
5
votes
Expected value of a transformed random variable
mathematical-statistics
random-variable
expected-value
mgf
asked Dec 4 '12 at 5:20
stats.stackexchange.com
Top Answers
145
How to normalize data between -1 and 1?
stats.stackexchange.com
25
Mathematics behind classification and regression trees
stats.stackexchange.com
25
What does “node size” refer to in the Random Forest?
stats.stackexchange.com
16
Number of bins when computing mutual information
stats.stackexchange.com
15
What is the practical difference between association rules and decision trees in data mining?
stats.stackexchange.com
15
a general measure of data-set imbalance
stats.stackexchange.com
13
What is the relationship between the GINI score and the log-likelihood ratio
stats.stackexchange.com
12
Adjusted Rand Index vs Adjusted Mutual Information
stats.stackexchange.com
10
Partitioning data for k-fold cross validation that will not have equal partitions
stats.stackexchange.com
10
Why KNN is a non linear classifier ?
stats.stackexchange.com
9
Which is a better cost function for a random forest tree: Gini index or entropy?
stats.stackexchange.com
8
What are the “hot algorithms” for machine learning?
stats.stackexchange.com
8
How is the Weighted Gini Criterion defined?
stats.stackexchange.com
8
How to to find and evaluate optimal discretization for continuous variable with $\chi^2$ criterion?
stats.stackexchange.com
7
How do I handle predictor variables from different distributions in logistic regression?
stats.stackexchange.com
6
Ideas for outputting a prediction equation for Random Forests
stats.stackexchange.com
6
Theoretical results for random forests?
cstheory.stackexchange.com
5
How are classifications merged in an ensemble classifier?
stats.stackexchange.com
5
Increasing number of features results in accuracy drop but prec/recall increase
stats.stackexchange.com
5
Does Random Forest ever compare the splitting of one node to the slitting of a **different** node?
stats.stackexchange.com
5
Mutual info via binning gives non-zero results for independent variables
stats.stackexchange.com
5
Can decision trees look multiple levels deep when selecting features to maximize information gain?
stats.stackexchange.com
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