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user49422
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2 votes
4 answers
3k views

smart sampling techniques in r

2 votes
1 answer
4k views

In xgboost: how can I know if a variable has a negative or positive impact on probability of event

1 vote
1 answer
35 views

Do confidence levels' ranges have a high correlation with prediction error

1 vote
2 answers
694 views

What algorithm be best to use for recommendation system based on string features [closed]

0 votes
1 answer
43 views

How to do the right sampling for a classification model

0 votes
0 answers
613 views

How to overcome prediction results that are overestimated

0 votes
0 answers
529 views

In linear regression the prediction error range is increasing while the the mean of the error is decreasing

0 votes
1 answer
1k views

Difference between prediction in R and SQL

0 votes
1 answer
739 views

How can I correct a negative tendency of residuals?

0 votes
1 answer
29 views

How to research very unbalanced groups

0 votes
1 answer
59 views

how to decompose in distribution so it will fit another distribution [closed]

0 votes
0 answers
126 views

How to calculate logistic regression prediction based on Gaussian distribution

-1 votes
1 answer
2k views

How to do linear regression prediction for each level of a category variable and apply it on a new data frame