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Vladimir Belik's user avatar
Vladimir Belik's user avatar
Vladimir Belik's user avatar
Vladimir Belik
  • Member for 4 years, 1 month
  • Last seen more than a week ago
Profile Activity

39 Answers

Score Activity Newest
5 votes
Accepted

R - estimating probability from predictive model

4 votes

Criteria evaluation for cluster generation in R

4 votes
Accepted

Negative skew - Stock returns - Clarification

3 votes
Accepted

Can I use test data in model to make predictions?

3 votes
Accepted

Why ML involves trial and error and no overarching rules?

3 votes
Accepted

Measure to indicate overfitting?

3 votes
Accepted

Using outcome label to create feature qualifies as data leakage?

2 votes
Accepted

What model should I use to predict a time series like this?

2 votes

Poor model performance on certain out-of-sample data

2 votes
Accepted

learning approach for an expert system

2 votes

Without encoding, how can we solve high cardinality issue?

2 votes
Accepted

when to choose predictive power of a model over explainability?

2 votes
Accepted

How to shape the reward function based on multiple parameters?

1 vote
Accepted

silhouette score vs Distortion score

1 vote
Accepted

Infer limits of unscaled values from their standardized values - Clustering

1 vote

Reinforcement Learning - what causes a plateau in the performance of the model during training?

1 vote

How to plot the random and best model in Lift and gain charts?

1 vote
Accepted

Generating interesting/useful features from existing useless features

1 vote

Representation of population data mean/median (similar to BMI/age curve)

1 vote
Accepted

When is it okay to accept overfit model for production?

1 vote

Correlation coefficient as a dependent variable in regression analysis

1 vote

Determine best clustering algorithm for geospatial data

1 vote
Accepted

Why not just testing alternative hypothesis? Why do we need null hypothesis?

1 vote
Accepted

How to identify overfitting from LSTM plot, from the prediction on trained+unseen data

1 vote

When there are NaN values for a column of data, why is it okay to fill the values with the median or mean of that column?

1 vote

Live peak / trough detection (data provided)

1 vote
Accepted

Feature selection for uncorrelated dataset

1 vote
Accepted

How to bin continuous variable based on label frequency?

1 vote
Accepted

How to interpret categorical correlation coefficients?

0 votes
Accepted

Can survey responses be random variables?

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