Data Science
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desertnaut
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About

Real name: Christos Iraklis Tsatsoulis

Certified Analytics Professional (CAP®)

Kaggle Competitions Master

#2 all-time respondent for Machine Learning in Stack Overflow

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Top posts
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All Questions Answers
Score Newest
answer
30
Is it necessary to normalize data for XGBoost?
Sep 28, 2019
answer
11
Why you shouldn't upsample before cross validation
Sep 22, 2020
answer
8
How to force weights to be non-negative in Linear regression
Mar 15, 2021
answer
7
p-value and effect size
Feb 13, 2021
answer
7
Multiclass classification with Neural Networks
Dec 23, 2017
answer
5
Grid search or gradient descent?
Oct 28, 2019
answer
5
Subsequence parttern matching for time series
Oct 16, 2020
answer
5
Merging Training and Validation Sets for better accuracy
Oct 19, 2020
answer
4
how to find parameters used in decision tree algorithm
Sep 25, 2020
answer
3
ValueError: pos_label=1 is not a valid label: array(['N', 'Y'], dtype='<U1')
Jun 26, 2019
Top Meta posts
4
1
15
Stack Overflow is planning to give their non-programming Machine Learning questions wholesale to Cross Validated
7
What more is needed to permanently suspend a user for systematic, intentional, and planned plagiarism across SE?
5
Should we burninate unbalanced-classes tag and merge it with class-imbalance?
4
Custom flag for cross-posting was declined with puzzling justification
Top network posts
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259
Why binary_crossentropy and categorical_crossentropy give different performances for the same problem?
157
Accuracy Score ValueError: Can't Handle mix of binary and continuous target
152
How to implement the Softmax function in Python
89
No module named 'sklearn.datasets.samples_generator'
77
KMeans clustering in PySpark

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