Data Science
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rapaio
  • Member for 9 years, 7 months
  • Last seen more than a month ago
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About

statistics, data mining and ML greenhorn. experienced software engineer

https://github.com/padreati/rapaio

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Top posts
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All Questions Answers
Score Newest
answer
75
strings as features in decision tree/random forest
Feb 25, 2015
answer
22
Do you have to normalize data when building decision trees using R?
Mar 4, 2015
answer
22
What does the alpha and beta hyperparameters contribute to in Latent Dirichlet allocation?
May 23, 2014
answer
18
Python vs R for machine learning
Jun 12, 2014
answer
16
Is GLM a statistical or machine learning model?
Jun 20, 2014
answer
16
what is the difference between "fully developed decision trees" and "shallow decision trees"?
Jan 11, 2016
answer
15
Where in the workflow should we deal with missing data?
May 28, 2014
answer
11
My data is highly overlapping, but when I apply logistic regression, it is giving an impressive accuracy of 79%. Why?
Sep 26, 2021
answer
10
The data in our relational DBMS is getting big, is it the time to move to NoSQL?
May 14, 2014
answer
10
What is the most efficient data indexing technique
May 19, 2014
Top Meta posts
0
2
19
Can we get TeX support?
6
Who are you and why are you here?
Top network posts
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51
Why doesn't Random Forest handle missing values in predictors?
39
How do decision tree learning algorithms deal with missing values (under the hood)
30
Question about standardizing in ridge regression
20
Why is AUC higher for a classifier that is less accurate than for one that is more accurate?
19
Gini decrease and Gini impurity of children nodes

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