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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2answers
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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. I found the github files for the widgets but ...
2
votes
1answer
279 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
votes
1answer
1k 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
vote
1answer
434 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 ...
0
votes
1answer
222 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
votes
1answer
230 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 ...