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Derek O's user avatar
Derek O's user avatar
Derek O's user avatar
Derek O
  • Member for 4 years, 8 months
  • Last seen more than a week ago
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About

I am a data scientist interested in e-commerce and finance, and in my spare time, I enjoy answering questions about data visualization.

Formerly I was a professional chess player, reaching the top 200 in the United States. These days I play on lichess under the handle joddle.

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Top posts
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answer
3
Which between random forest or extra tree is best in a unbalance dataset?
Jun 21, 2020
answer
3
What is this type of plot and how to interpret it?
Jul 4, 2020
answer
2
Training accuracy is ~97% but validation accuracy is stuck at ~40%. What does it imply?
May 31, 2020
answer
2
Can bidirectional RNN use variable sequence length?
Jun 9, 2020
answer
2
Brownian motion in models for virus spread?
Apr 3, 2020
answer
1
Is there a reference data set for ridge regression?
Apr 3, 2020
answer
1
Applying a keras model working with greyscale images to RGB images
Apr 5, 2020
answer
1
Predictions of a Deep Learning Model
Apr 5, 2020
answer
1
Does this data work with Convolutional Neural Network
Apr 8, 2020
answer
1
Keeping DataFrame in Memory while working - R vs Python in VS Code
Jun 15, 2020
Top network posts
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15
How to break a long line in a hover text Plotly?
14
Draw an arrow between two specific points in a 3d scatter plot with plotly graph objs
12
Plotly: Including additional data in hovertemplate
12
A Cata-Strophic Pun
11
Extracting first and last element from sublists in nested list