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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Unexpected Error in Orange Text Mining app

When importing a CSV file in Orange (Text Minig Application, MDS tool), I receive an Unexpected Error and then Orange crashes. I tried import options and specifying the type of data in each column but ...
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Gaussian Fitting Amplitude Value

Using the Orange Software (Quasar), I am trying to obtain the height of a spectral peak, which I thought I could do by the amplitude of a fitted Gaussian. However, when I fit a Gaussian to my data (...
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large dataset problem

my name is Lucas and I'm working with single cell analysis on my PhD. A few weeks ago I started using scOrange for my analysis, but I noticed that when I try to load large datasets (more than 60k ...
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How to remove data from a feature (column) in Orange?

How can I remove values, or in my case, a whole column from a set in Orange? It must be removed because the higher values are capped at a certain point and this makes the distribution uneven. So I ...
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Fresh Orange install on Windows running 3840 x 2160 and text is microscopic

Are there any settings or options that control the text size in the Orange GUI? Right now it's so small it's unreadable.
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Orange: Predictive Model for Future Wifi Speed

I would like to use Orange to create a model that will allow me to predict future WiFi speeds using average quarterly WiFi speed from the last few years. The data sets I am using include the average ...
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Clustering mixed type variables with Orange

I wonder if with Orange it is possible to cluster mixed type data, so a dataset with numeric as well as discrete (categorical) data (ordered / unordered). Can you show an example of how that could be ...
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Orange data mining: instances with missing targets are ignored while scoring

In predictions warning showing "instances with missing targets are ignored while scoring" is coming how to resolve
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How to get model equation/coefficients for SVM in Orange

I have dataset and want to train an SVM model, I have done so in Orange, and the model behaves good, I used the File -> SVM -> 'test and score' widgets, now I want to take that linear model and ...
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In Orange Data Mining, how do I use results from clustering a training-set to test and score a test-set?

I am performing analysis on the well-known 'Adult' data-set, available on UCI using Orange Data Mining. In a PhD thesis, Pelleg (2004; pg 79) uses unsupervised clustering of the prescribed training ...
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Orange Data Mining Tool on Google Colab

Is it possible to use Orange Data Mining Tool on Google Colab?
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Why is Orange (CSV import or Line Series) doing some weird rounding on my data?

The data I have is in tab-separated format (exported from MetaTrader5): ...
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Cut off words on the word cloud

Our cloud has some kind of bug we cannot fix. The words appear complete in the original csv file, but while generating the cloud, Orange cuts off the end of it. It happens to short words as well... It ...
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Orange doesn't recognize paragraphs of text as feature, keeps seeing them as meta attribute

I am trying to build a predictive model in Orange. I have a .csv file that I want to split into a training and testing set. In this file, every row looks like this: N,"A small paragraph of text&...
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Seasonal adjustment line chart - Orange data mining

I'm trying to create a Seasonality plot in Orange data mining but it doesn't seem to plot the calculations. I don't get error messages and the supplied data set shows up on the line chart. Workflow: ...
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Where do I draw the line at unbalanced datasets?

I have a problem where I am to construct a classification variable Yes/No based on another feature's value. We are interested in the Yes class in this case. I am told to use 10-fold cross validation. ...
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Orange: Linux (WSL2): GLX 1.3 or later is required

When I create a Word Cloud widget and in other cases, I get the above error. Do you if there is a way for me to install GLX 1.3 in Linux? I have not found good references (googling) elsewhere. Below ...
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Split a column in rows in Orange

I have an input dataset like Frank Group1::Group2::Group3 Mark Group1 Joe Group2::Group3 and I have to transform it to ...
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How to use distance matrix from csv in Orange for network explorer *without* using distance tool?

It seems the only way to create a network from distances is to use the distances tool, so I have to connect my distance matrix in csv format to the distances tool in order to create a network, which ...
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At what dataset size does Orange performance begin to get impacted?

I can't find any information on max size for data uploaded to Orange before it starts to get bogged down. This information would be helpful to know so that I can minimize how much I need to sample.
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TIMES SERIES add-on v0.4.0 issues installing?

Does anyone else encounter problems with the TIME SERIES add-on v0.4.0 in ORANGE? Mine says it's installed but not showing in my pane??
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Does "Apply Domain" only work with PCA?

I am trying to use nonlinear manifold learning with Apply Domain. Documentation and examples show use of Apply Domain with PCA, and it works fine. However it doesn't work when using Manifold ...
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Orange v3.32: Accuracy and precision not showing up

As explained in the orangehelp files the test and score widget would provide an accuracy colum like "CA". I only have MSE RMSE MAE and R2 besides the times. Furthermore, the predictions ...
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Can orange datamining python script in_data only one widget table?

If you receive in_data from two orange widget tables with an orange Python script, you don't know how to read them like in_data1, in_data2. Can I in_data only one table? Please tell me how to import ...
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Read corpus from a csv file in Orange3

I have twitter text as an Excel file: every line is one one tweet. How do I view this corpus in Orange3? I don't understand why I can't simply see this corpus. As you can see in the image below, the ...
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103 views

Twitter API Scraping Problem with Orange

I am trying to scrape tweets with the Twitter widget. However, when I try to connect Orange to my Twitter APP, it asks for a bearer token. After I put the bearer token, it shows up API error... I don'...
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Orange3 and OCR Help

I would like to be able to utilize Orange to OCR pictures with pytesseract. I have been able to create simple code in the Python Script widget in order to read one image at a time, but I want to be ...
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Orange Hangs After Geo Widget Install

I removed the latest Orange on my system along with all traces of Python. Then successfully installed Orange 3.18 (I'm looking for the original Geo module that drew circular clusters). However, when I ...
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PCA components don't look orthogonal on scatter plot

I'm playing around with PCA in Orange. I painted 10 data points and look at their PCA components. The Data Table suggests they should be orthogonal in the (x, y) coordinates as the dot product is 0. ...
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Orange's Results are not reproducible

I've been watching a few training videos from Orange here and attempted to reproduce the process. They used iris dataset for classification task. When I compared my confusion matrix to theirs, I didn'...
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Setting the Dates properly in Orange Times series module

I am successfully using an Orange Time Series model to make ARIMA model predictions. I am struggling to get the forecasts to show at the end of series in a line chart. A 4 period forecast shows a ...
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Orange Import dataset which has the feature on rows and instances on the columns

How to import a flipped dataset into the Orange 3.26? By flipped dataset I mean a dataset which has the features as rows and the instances as columns. I tried to transpose the data after imported but ...
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Orange Document Map

I've used the Document Map widget in Orange to identify all countries mentioned in the corpus. There appears to be a bug in the document map: On the map itself some countries are not colored (high ...
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Scraping Twitter Hashtags with Orange

I'm new to data scraping, and I would like to know if there is a way to scrape from multiple Twitter hashtags at the same time using Orange? I've been trying to scrape from #covidvaccine and #gst at ...
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Text Mining - Statistics Module Issue

I'm using Orange Canvas for a text mining study. This issue seems to appear once I migrated to more recent versions. When I am trying to use Statistics (from Text Mining) I can only use/add a limited ...
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With a 5000x20 CSV as data input discover the most common occurrences of numbers in a row

As input I have a CSV with 5000 lines (and growing) and 20 fixed columns containing a number from 1-80. A row may look like this. Is it possible using Orange3 to analyze each row and find out what ...
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Keyword extraction with Orange

I’m very new to using Orange Data Mining software and I’m having a hard time finding what I am looking for. I have 30,000 text files. I wish to use Orange to help me extract key words and phrases, ...
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Layout/Drawing in Workflows or a node for a Sub-Workflow

I am creating Orange Workflows for a few days, therefore I am pretty new. I want to spread my workflows with colleagues such that they can also use them and further develop them. I am facing now the ...
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Is orange software available for Mac with m1 chip?

Hello I have the new Mac with m1 chip, do you know if I can use orange? or orange is still not available for this computers? thanks
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Get "Selected variable has too many values." when using Orange Data Mining's Pivot Table widget (implying too many column values?)

I am assuming there are too many columns in the (generated) pivot table when I get the "Selected variable has too many values." when using Pivot Table widget Is there a way to increase? If ...
1 vote
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32 views

Why is a column detected as text and not as categorical when opening excel file?

I have the following values in an excel sheet Aguascalientes Baja California Baja California Sur Campeche Chiapas Chihuahua Ciudad de México Coahuila Colima Durango Estado de México Guanajuato ...
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1 answer
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Difference between DataSampler and TestAndScore widgets in Orange

I'm trying to figure out the difference between using the data sampler to get a 70/30 train/test split and directly using the ...
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What type of 'Naive Bayes' algorithm is provided by Orange?

I've been using Orange for a while to rapidly prototype a few classification models. One of the ones I've been using is 'Naive Bayes'. If I understand correctly, there are a few types available based ...
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Remote image embedders fail with "no internet connection"

I'm following the Orange "Getting Started" YouTube tutorial and noticed that the Inception v3 image embedder (and any of the other remote services for that matter) all fail with the message: ...
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91 views

Data info: Orange data mining

I am trying to use the widgets from Orange Data Mining in the practical world. When do you use Data Info in Orange Data Mining set?
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Measuring Topic-coherence score & optimal number of topics in LDA Topic Modeling in Orange data mining

I'm trying to build an Orange workflow to perform LDA topic modeling for analyzing a text corpus (.CSV dataset). Unfortunately, the LDA widget in Orange lacks for advanced settings when comparing it ...
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I don't understand the answer on this site for installing the network option in Orange 3.28

The instructions for using Options>Settigns>Add-ons in the post below are confusing. Orange Error when installing Network Add On Is there a version of the "Network" addon that will ...
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Input and output layer activation functions of neurons in Orange

What are the activation functions of the neurons in the input and output layer of a neural network model from the Orange machine learning application?
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203 views

LDA in Orange Linear Projection widget?

I'm struggling to get an LDA in Orange 3.28 (GUI). Using the good'ol iris dataset, loaded from the dataset widget: The data, as you can see, is loaded as it should and has "iris" set as ...
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Classification with Orange error "test and train datasets have differents target variable"

m having a problem on the widget "Test and score" used for classification. Im doing a classification on images and i would like to use the widget "test and score" with the option &...

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