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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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4k views

How to do multivariable regression in Orange?

Orange contains a number of regression widgets, but they all seem to be univariable i.e. one independent variable that correlates to one dependent variable. When I have more independent variables that ...
2 votes
1 answer
2k views

Modify value of data in Orange

I am new to Orange and it seems very useful for conducting exploratory data analysis. One question I have is - can we use a widget to modify some values in the dataset? For example, several numerical ...
2 votes
1 answer
1k views

How can I "export" a model from Orange once I have prototyped a solution?

Using Orange, I would like to use the underlying python model within the control system of my device. A device is a simple machine that is not connected to the internet. My intent is to use the ...
2 votes
1 answer
197 views

Visualizing categorical data in scatter plot with Orange (version > 3.18)

Why in Orange versions after 3.18 is not possible to visualize categorical data in Scatter Plot widget?
0 votes
1 answer
397 views

Orange does not show Geo Map tool on OS X

I am using Orange 3.3.11 and I cannot find "Geo Map" widget on OS X. But the documentation says there is such a widget. How can I find this widget?
2 votes
1 answer
124 views

Cluster Hyperspectral Images in Orange

Orange has a hyperspectral dataset called "liver cirrhosis" and you can visualize the hyperspectral image using the hyperspectral image widget. However, I would like to perform various ...
0 votes
1 answer
141 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?
2 votes
1 answer
217 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 ...
0 votes
1 answer
342 views

How can you perform a hyperparameter grid search with Orange?

Is there a way to perform a hyperparameter grid search with Orange?
0 votes
1 answer
99 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: ...
1 vote
1 answer
72 views

Suggestion for a better way to organize data to generate frequent item-sets?

I have a data of a bag of words in a document. The data has 3 columns: {document number, word number, count of the word in the number}. I am supposed to generate ...
2 votes
2 answers
133 views

Clustering with sets as values

I have gathered a large amount of qualitative data and am now looking to cluster it so as to make sense of it. For this, I am using Biolab's Orange. In my data, specific values may co-occur in a ...
1 vote
1 answer
825 views

Removing duplicate rows in Orange

In Orange, I have a table with row duplicates. How can I simply remove the duplicated rows to keep only one copy of each? I feel like Orange is great but cannot do simple tasks. I hope I just did not ...
0 votes
1 answer
209 views

Orange Geo Map does not show background map

We are running Orange with our students and most of them are having problems with running the Geo Map widget. It does not show any background map. In the bottom an error message is displayed: ...
1 vote
1 answer
668 views

Using if statement as a model in orange

I am seeking to evaluate logistic regression against a rule-based (nested if-else statements) classification in Orange. The steps I've taken to investigate this are as follows: I could not identify ...
1 vote
1 answer
448 views

Feature construction widget on Orange 3.13

I am working with Orange for my thesis with logs and core data; however, since I am a beginner, I am a little bit stuck with the feature construction widget. Ultimately, I would like to combine ...
0 votes
1 answer
736 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 ...
1 vote
2 answers
2k views

Orange3 summarizing data, grouping data values

Is there a simple way in orange3 (not writing a Python script) to summarize data and group similar data values? For example, instead of plotting a scatter with lots of data points, I would like to ...
0 votes
1 answer
310 views

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 ...
0 votes
2 answers
56 views

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 ...
0 votes
1 answer
351 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 ...
0 votes
1 answer
1k views

Handling Imbalanced Datasets in Orange

I work in the medical domain, so class imbalance is the rule and not the exception. While I know Python has packages for class imbalance, I don't see an option in Orange for e.g. a SMOTE widget. I ...
1 vote
1 answer
1k views

Database missing extensions:tym_system_time,quantile orange widget error

I'm working with the orange data mining tool. In most of the examples data taken from files or google sheets links but in the blog link they given that we can take data from postgresql database ...
0 votes
0 answers
17 views

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.
0 votes
1 answer
196 views

PCA and orange software

I am analyzing if 15 books can be grouped according to 6 variables (of the 15 books, 2 are written by an author, 6 by an other one, and 7 by an other one). I counted the number of occurrences of the ...
0 votes
1 answer
169 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?
0 votes
0 answers
14 views

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 ...
1 vote
0 answers
14 views

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 ...
0 votes
0 answers
9 views

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 ...
2 votes
1 answer
424 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 ...
0 votes
1 answer
31 views

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 ...
2 votes
1 answer
122 views

Orange Import and process spectra time dependent/kinetics

I would like to import FTIR spectra that have been collected over time then use Orange to preprocess these as a group. I currently have the spectra as individual SPC or CSV files. How do I import the ...
2 votes
1 answer
61 views

Orange reading in new features from Tab-Delimited File

In my tab delimited file I have 65 features and 1 target variable that are numerical and continuous. My data is supposed to be used for regression models. There should be 65 features and 1 target ...
1 vote
1 answer
701 views

Orange data mining: Balancing data set using imblearn code

I am using an unbalanced dataset. I wanted to oversample my dataset using a Python script (Scripting code for class imbalance in Biolabs Orange). However, it still gives me an error ...
2 votes
1 answer
607 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 ...
0 votes
1 answer
358 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
2 votes
1 answer
65 views

Out-of-bag error in Orange

There is some way to see the out-of-bag error in Orange? The widget Test and Score only reports mean squared error, root mean square, mean absolute error, coefficient of determination and root-mean-...
0 votes
1 answer
498 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
1 answer
321 views

Twitter API widget

I am using the Twitter API. The Orange widget for Twitter works fine if we do a search by content. However, it throws an error if you search by author. ...
0 votes
0 answers
16 views

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 ...
0 votes
1 answer
461 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, ...
0 votes
0 answers
16 views

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 ...
0 votes
0 answers
15 views

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 ...
1 vote
0 answers
14 views

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?
0 votes
0 answers
22 views

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
0 votes
0 answers
38 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 ...
0 votes
1 answer
97 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 ...
0 votes
1 answer
144 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: ...
0 votes
0 answers
19 views

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... ...
0 votes
1 answer
54 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 ...

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