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Results tagged with machine-learning
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user 135014
Machine Learning is a subfield of computer science that draws on elements from algorithmic analysis, computational statistics, mathematics, optimization, etc. It is mainly concerned with the use of data to construct models that have high predictive/forecasting ability. Topics include modeling building, applications, theory, etc.
2
votes
1
answer
712
views
class weighted classification
I am working on my multi-class classification project and I have a question:
I have three classes in proportion: 50%, 47% and 3%. I decided to use class_weight="balanced" parameter in random forest cl …
- 41
0
votes
1
answer
88
views
Matching items in a recommender system
I would like to ask for a proposal for a machine learning model that would be suitable for the following problem:
I have a training set where each element of type A corresponds to a certain number of …
- 41
0
votes
1
answer
1k
views
Dropping highly correlated features
I am making my classification project and I have this situation after using seaborn heatmap.
Column 0 is my target, where I have data with 3 classes. To my knowledge I should remove column highly corr …
- 41
2
votes
2
answers
1k
views
Low classification accuracy
I want to do a multi class classification with 6 classes. Whole dataset has 12750 and 56 features samples, so every class has 2125 samples. Before prediction I reduces amount of outliers by winsorizat …
- 41