Alexey Grigorev's user avatar
Alexey Grigorev's user avatar
Alexey Grigorev's user avatar
Alexey Grigorev
  • Member for 8 years, 5 months
  • Last seen more than a month ago
121 votes

How to get correlation between two categorical variable and a categorical variable and continuous variable?

36 votes
Accepted

Dimensionality and Manifold

20 votes

Quick guide into training highly imbalanced data sets

14 votes

Deep learning basics

12 votes

Do Random Forest overfit?

8 votes
Accepted

Difference between tf-idf and tf with Random Forests

8 votes
Accepted

Analyzing A/B test results which are not normally distributed, using independent t-test

5 votes
Accepted

Handling categorical features in Factorization Machines algorithm - Feature Hashing vs. One-Hot encoding

5 votes
Accepted

Implementing Complementary Naive Bayes in python?

4 votes

How to build a textual search engine?

4 votes

Network analysis classic datasets

3 votes

Data Science Project Ideas

2 votes

Handling huge dataset imbalance (2 class values) and appropriate ML algorithm

2 votes
Accepted

Tokenizing words of length 1, what would happen if I do topic modeling?

2 votes

What is an 'old name' of data scientist?

2 votes

Could one algorithm fetch keywords from texts of different natural languages?

2 votes

How are clusters from DBSCAN sometimes non-convex?

2 votes
Accepted

XGBoost in final model what does "yes=3,no=4" mean?

1 vote

Reading Persian Characters in R

1 vote

Creating Domain specific Question Answering Systems

1 vote

When does it makes senses to use Dot-Product as similarity measure instead of Cosine?

1 vote

is there any whatever2vec to generate one vector for one document?

1 vote

Facebook's Huge Database

-1 votes

Best approach for this unsupervised clustering problem with categorical data?