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Data Science
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GeorgeOfTheRF
  • Member for 7 years, 11 months
  • Last seen more than a month ago
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Data Scientist

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Top posts
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All Questions Answers
Score Newest
question
120
How to get correlation between two categorical variable and a categorical variable and continuous variable?
Aug 3, 2014
question
23
How to predict probabilities in xgboost using R?
Sep 8, 2015
question
9
How to use Cohen's Kappa as the evaluation metric in GridSearchCV in Scikit Learn?
Sep 11, 2015
question
7
Why is finite precision a problem in machine learning?
Dec 8, 2015
question
6
What does SpatialDropout1D() do to output of Embedding() in Keras?
Sep 20, 2018
question
3
Which accuracy metric of a ML classifier can maximize map@K of a recommender system for an unbalanced dataset?
Sep 2, 2015
question
2
What does GlobalMaxPooling1D() do to output of LSTM unit in Keras?
Sep 19, 2018
question
2
What is a suitable loss function and evaluation metric for a classification model with large number of unbalanced target classes?
Nov 9, 2018
question
2
Why is each successive tree in GBM fit on the negative gradient of the loss function?
Feb 21, 2016
question
0
What exactly is the "hyperbolic" tanh function used in the context of activation functions?
Mar 6, 2018
Top network posts
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95
How to convert string to datetime format in pandas python?
85
How to find count of Null and Nan values for each column in a PySpark dataframe efficiently?
72
How to tune hyperparameters of xgboost trees?
69
How to import keras from tf.keras in Tensorflow?
58
How to delete multiple pandas (python) dataframes from memory to save RAM?

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