Questions tagged [featurization]

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2
votes
3answers
1k views

What kind of “vector” is a feature vector in machine learning?

I'm having trouble understanding the use of Vector in machine learning to represent a group of features. If one looks up the definition of a Vector, then, according to wikipedia, a Vector is an ...
12
votes
2answers
15k views

List of feature engineering techniques

Is there any resource with a list of feature engineering techniques? A mapping of type of data, model and feature engineering technique would be a gold mine
6
votes
7answers
5k views

How to define a distance measure between two IP addresses?

I have IP addresses as feature and I would like to know how much two IP addresses are similar to each other to use the difference in an Euclidean distance measure (in order to quantify the ...
29
votes
3answers
11k views

What is a good way to transform Cyclic Ordinal attributes?

I am having 'hour' field as my attribute, but it takes a cyclic values. How could I transform the feature to preserve the information like '23' and '0' hour are close not far. One way I could think ...
5
votes
3answers
764 views

Is automatic feature detection feasible?

I am searching for pointers to algorithms for feature detection. EDIT: all the answers helped me a lot, I cannot decide which one I should accept. THX guys! What I did: For discrete variables (i.e....