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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This is a question about Orange3

When I open Predictions in orange3, there is a pink mark under the output material and output material, and I wonder if it is expressed as a percentage value. When you look at the data table in the ...
juyoungLee's user avatar
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How to plot PCA loadings vs spectral region

I am trying to plot the PCA loadings vs spectra. So far I can retrieve the PCA coordinates per observation. In a manual, I saw there was a widget called curves to do this. It does exactly what I need ...
Microbiologie13's user avatar
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Reinstalling Orange Add-on over again

After I upgraded to the latest orange version (3.36.2), I observed that whenever I install an add-on, for instance, Bioinformatics, when I close and reopen the orange software, all the new add-ons are ...
Ayodeji Samuel's user avatar
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Error handling in orange python script

Is there any workaround for error handling using python script in Orange? I'm creating a python script module that only receive one column from in_data. If there are more than one column exists in the ...
Dezar Zulkarnain's user avatar
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Using a custom made image embedder in Orange

I trained my own Image embedder using PyTorch, and I'd like to use as an Image embedder in Orange. is there an easy way to do it? is it also possible to make it always run locally on my GPU?
shahar's user avatar
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how to give numeric value for a categorical feature instances

i have a data set with day of the week. i want to transform this to numerical in the data preprocessing stage. how can i do this? I want to do this in Orange data mining software...thank you
Jerry Campbell's user avatar
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30 views

Cross validation and standard error

I'm performing a CV and I need to report the score with its error, but it only returns the score's average from the folds. Is there a way to either show each folder's score or find the standard error ...
Rafael Vinícius da Silveira's user avatar
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65 views

Loading Data with column Headers

I have a file called adult.data that contains my test set in a CSV file format. Unfortunately there are no column headers in the file to describe the variables. But I have a file called adult.names ...
Sean's user avatar
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about orange3, exe file is not worked with an pyimod02_importers error

pip install orange3 main.py import Orange pyinstaller main.py main.exe was made... but when executed, there is an pyimod02_importers error. main.py works well in pycham... but main.exe don't work... ...
111's user avatar
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1 answer
37 views

Import image as array in Orange

I would like to import a PNG image as an 2D array or "flattened" as a vector (e.g. row of a table) in orange such that, e.g., one can use all pixel values as input for PCA or for descriptive ...
BanDoP's user avatar
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Connecting Orange to Sql Server

I've installed Orange 3.34.0 and I'd like to connect "Sql Table" object to my Sql Server 2008 "R2". I've installed Python 3.11 and launched the command "pip install pymssql&...
Gianluca Brachini's user avatar
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154 views

How do you uninstall Orange Data Mining on Windows 11?

How do you completely uninstall Orange Data Mining on Windows 11? It is necessary to do a reinstall, and I wish to clean-out existing installations first. What are the steps for uninstall of the ...
noobie's user avatar
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25 views

Easiest way to get a simple sales data graph

I'm a coder but have very little knowledge of data science. I'm want to use Orange for very simple data visualizations. Starting from a sales data table with columns like "date" (datetime), &...
John's user avatar
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18 views

Can we automatically save plots from Plot widgets each time inputs are refreshed?

I see that: It is possible to generate a csv output using the "Save Data" widget each time the inputs are reloaded. That the plot of a eg Scatter Plot widget can be either saved to file (...
Gael Lorieul's user avatar
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187 views

How can you perform a hyperparameter grid search with Orange?

Is there a way to perform a hyperparameter grid search with Orange?
Perry Gogas's user avatar
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114 views

Orange Data Mining creating a target variable on a table at run time

In Orange Data Mining I have created a table at run time and I need to declare one of the columns as a target. I have seen all widgets, but with no solution. I think to use a Python Script but I don't ...
Mario Capurso's user avatar
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48 views

How to create the target column for tweets classification in Orange

I am interested in performance analysis of classification algorithms. For this, I have collected tweets on a specific topic, and saved as .csv file. The .csv file consists of only one column called ...
tryflyhi's user avatar
1 vote
1 answer
123 views

Seasonal ARIMA?

Greatly enjoy exploring data in Orange Data Mining! I have daily average temperature data for several years. I can plot the periodogram, and do a seasonal decompose. Is there a way to forecast the ...
Gamer 007's user avatar
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98 views

Multilingual Sentiment Analysis in orange

I have an issue with multilingual sentiment analysis using orange data mining. Everytime I tried using the widget, It gave me 0 score sentiment for all tweets data. I didn't know the problem. FYI, my ...
Muhamad Chozin's user avatar
1 vote
0 answers
111 views

Select rows in Orange based on column value comparison

I'm trying to remove some rows from a cardio dataset where the value for the systolic pressure (ap_hi) is below the diastolic pressure (ap_low) which to me indicates a data error. The code I would ...
Newbie Oranger's user avatar
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Orange averaging 1 second time data to 10 second time data

I have CO2 concentration at every second measured in a dataset. I want to have the 10s averages of this dataset. (not 1 number but a column of all these 10s datapoints) How do I do this? (I am new in ...
Hans Helsen's user avatar
1 vote
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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 ...
Lucas's user avatar
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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 ...
Lucas 's user avatar
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1 answer
104 views

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 ...
user2982010's user avatar
2 votes
1 answer
502 views

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 ...
Paul Higgins's user avatar
1 vote
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235 views

Orange Data Mining Tool on Google Colab

Is it possible to use Orange Data Mining Tool on Google Colab?
csp1po's user avatar
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1 vote
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37 views

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): ...
Daniel Donnelly's user avatar
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1 answer
83 views

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: ...
Tim Mullady's user avatar
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28 views

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. ...
PythonNewb's user avatar
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1 answer
648 views

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 ...
Carlos Lang's user avatar
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63 views

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.
Maxim's user avatar
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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 ...
Huy Truong's user avatar
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1 answer
62 views

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'...
Huy Truong's user avatar
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1 answer
300 views

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 ...
Tim Mullady's user avatar
1 vote
0 answers
131 views

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 ...
Adolfo Correa's user avatar
1 vote
0 answers
21 views

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 ...
Andrei's user avatar
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1 vote
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32 views

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 ...
Bill's user avatar
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0 votes
1 answer
394 views

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, ...
Monsoniland's user avatar
1 vote
0 answers
16 views

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 ...
Alois's user avatar
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0 votes
1 answer
339 views

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
cristina's user avatar
1 vote
0 answers
82 views

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 ...
Doting Thomas's user avatar
1 vote
0 answers
46 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 ...
Gabriel Barrera's user avatar
2 votes
1 answer
175 views

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 ...
Cranialsurge's user avatar
2 votes
0 answers
125 views

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 ...
Cranialsurge's user avatar
0 votes
1 answer
114 views

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: ...
scrollinondubs's user avatar
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1 answer
134 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?
Sayani's user avatar
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1 vote
0 answers
354 views

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 ...
Salah Eddin's user avatar
1 vote
0 answers
13 views

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 ...
RonDespain's user avatar
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1 answer
168 views

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?
Ivo's user avatar
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2 votes
0 answers
350 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 ...
jfmoyen's user avatar
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