Questions tagged [orange]

Use for questions about Orange, the free, open-source, component-based, data mining and machine learning software suite.

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Scripting code for class imbalance in Biolabs Orange

I'm trying to manipulate some data in Biolabs Orange, using the built in Python Script widget and information at Biolabs Orange tutorial on scripting. However, I'm struggling with taking the results ...
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2 votes
1 answer
576 views

Predicting house price using linear regression [closed]

I'm trying to predict a house price using linear regression method. I gather the real data from a real estate website. I have some features and two numerical value in which the price is the target ...
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  • 141
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How do I integrate Github files to Orange for ML?

I am currently trying to make a facial recognition workflow with Orange but since the widgets are still prototypes they are not all available in Orange through the add-on menu. I found the Github ...
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  • 1,391
2 votes
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Orange Data Mining load saved models

I am planning to use the Orange Data Mining Tool for easy data exploration and model generation. What is still unclear to me is: after finding a good model, what can I do with it, how can I use or ...
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1 vote
1 answer
499 views

We are using PostgreSQL to store big data and are concerned it may crash the on-board Neural Net. Any thoughts?

We have figured out how to write Big Data to our PostgreSQL database. We would like to run this (normalized) data into the onboard Neural Network in Orange. Our lead programmer said he thought Orange ...
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1 answer
316 views

How to change the threshold value in orange?

How can I change the threshold value for each classifier? In the ROC analysis curve we are allowed to remove the tick from "default threshold"
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1 answer
531 views

Orange3: Is it possible to get the total number of rows for a given column from inside 'Feature Constructor'?

I'm using the Orange3 gui and have been asked to generate basic plots where values relative to a "mean" or "Percentile Rank" are colorized. I looked in ...
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0 votes
1 answer
133 views

Handling Imbalanced Datasets in Orange

I work in the medical domain, so class imbalance is the rule and not the exception. While I know Python has packages for class imbalance, I don't see an option in Orange for e.g. a SMOTE widget. I ...
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-1 votes
2 answers
982 views

Orange Error when installing Network Add On

Command failed: python python -m pip install Orange3-Network exited with non zero status Environment Windows 10 Python 3.7 Orange 3.17 Detail Log Data ...
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