Questions tagged [orange]
Use for questions about Orange, the free, open-source, component-based, data mining and machine learning software suite.
234
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K-means algorithm for multiple variables
I am a new to ML and current in reading about K-Means algorithm and trying it out with ORANGE tool. After going through several examples on YouTube and various other places, I am slightly confused on ...
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23
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Hyperparameter Widget
Could you please inform me if there exists a widget designed for the purpose of conducting hyperparameter optimization? I attempted to locate such a tool, but regrettably, I was unable to find one.
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How to organize multi-layer data in Orange Data Mining?
I have data in the form of a MATLAB cell array in which:
Rows are individual ROIs
columns are image channels
But each element of each column stores not only the mean intensity value of the ROI, but ...
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18
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Problem with HDI dataset
I am new to Orange3. I am trying to follow the same steps in the following article https://orangedatamining.com/blog/data-mining-covid-19-epidemics-part-1/
But unfortunately the HDI dataset that is ...
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14
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Using shape files in Orange
Is there any way to use shape files in orange for Geomaps? Otherwise how can I fetch shapes for states/districts not in the default ones provided. For context I want to use shapes of districts in an ...
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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 ...
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39
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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 ...
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16
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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 ...
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15
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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 ...
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14
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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?
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23
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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
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38
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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 ...
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115
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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 ...
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19
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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...
...
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62
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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 ...
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308
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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 ...
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380
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How can you perform a hyperparameter grid search with Orange?
Is there a way to perform a hyperparameter grid search with Orange?
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197
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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 ...
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165
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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 ...
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62
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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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2
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58
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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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125
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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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646
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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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293
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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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39
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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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101
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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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29
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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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774
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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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70
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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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339
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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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66
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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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364
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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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152
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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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22
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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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37
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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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474
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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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20
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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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364
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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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90
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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 ...
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49
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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
...
2
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1
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230
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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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136
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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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154
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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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145
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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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385
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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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14
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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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172
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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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441
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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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316
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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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44
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What is the optimal method to evaluate clusters further?
Supervised learning is straightforward on medical data using Orange, but unsupervised learning is more challenging. I selected a data set based on Florida County Health Ratings where individuals rated ...
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