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 ...
2
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1answer
388 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 ...
2
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1answer
2k views

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 ...
1
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1answer
460 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 on-board Neural Network in Orange. Our lead programmer said he thought Orange ...
1
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2answers
267 views

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. I found the Github files for the widgets but ...
0
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1answer
251 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"
0
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1answer
331 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 ...