# Questions tagged [competitions]

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### Finding/analyzing data competitions that share the individual model's predicted outcomes?

I would like to analyze past machine-learning data competitions, focusing on bias and variance of predictions. I thought I could look at past kaggle competitions, but unfortunately kaggle typically ...
• 149
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### Statistical aggregations for numerical features

Can someone explain why in a lot of machine learning competitions, many participants perform some statistical aggregations like mean and median aggregation for numerical features? How can this improve ...
1 vote
48 views

### State of the Art Models for House Pricing task

Currently for my master thesis I'm working on a ML model to evaluate the price of some real estate assets. I'm trying to better understand the current state of the art of this kind of regression ...
• 181
90 views

### Python and Titanic competition how to get the median of specific range of values where class is 3

I am trying to solve Kaggle's titanic competition. In the test set, there is only 1 row having Fare value as null. It's so easy to replace it with median or average of all Fare values. But I am ...
• 163
26 views

### How to define the adequate cash prize sizing for hosting a Kaggle or similar compeition?

If you take Kaggle as a well known example of data science competition size, how do you know what is an adequate budget for the cash prize size? At least to determine an order of magnitude, given I am ...
263 views

### Coursera's course "How to Win a Data Science Competition"

The Coursera Course "How to Win a Data Science Competition". Has onyone seen it? How is the quality of it? Would you recommend it?
315 views

### Poker tournament winner prediction

I am trying to solve poker tournament winner prediction problem. I’ve millions of historical records in this format: Players ==> Winner P1,P2,P4,P8 ==> P2 P4,P7,P6 ==> P4 P6,P3,P2,P1 ==> P1 I ...