# All Questions

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### How to handle multiple multivariate timeseries?

I am trying to develop a model using machine learning that reproduces a biological behavior. My goal is to do a regression of timeseries e.g from multiple input each time_step predict multiple output :...
• 29
7 views

### Which F-metric to use in scientific paper?

Often, academic papers refer to F1-score, but don't explain which one they use (macro, micro, weighted). What is the common F-metric in academia?
• 101
9 views

### Can not validate LSTM/GRU if return_sequences=True

As I understand the last LSTM before output layer should be set to model.add(LSTM(lstmUnits, return_sequences=False)) but in such a case I can not validate while ...
• 101
4 views

### Orange - Spectroscopy Widgets

There are many widget categories that I see in the manual but they are not available in the program. Do I need to load these categories? In particular, I am looking for the interpolate widget in the ...
9 views

### Question about PCA cross validation & categorical data

I have been reading the book Hands of ML of Geron and a question arose for me the PCA you do after Normalization. let's say u do a cross validation u do multiple PCA's, there could be a bug in some ...
16 views

### Can neural network be able to convert analog timeseries to discrete timeseries

I have timeseries signal of sound echo back from instruments. They are firing kick, marker, wall, echo noise. Since neural network can produce Seq2Seq prediction. I am using ResNet + 1DCNN to produce ...
• 111
17 views

### how can I translate Whisper encodings to SBERT embeddings?

I'm using the Whisper model to recognize speech, and then matching the output text against a list of known questions by generating SBERT embeddings from the text and ranking the known questions by ...
• 101
10 views

### How to build an image generation model for interior room design?

I want to build an image generator model for interior room design. This model should be able to generate interior image of living room/bedroom/hall/kitchen/bathroom. I have searched about it and found ...
7 views

### LightningDataModule with Trainer in PytorchLightning automatically fits validation model?

I try to fight with overfitting, this is why I decided to look through documentation (https://pytorch-lightning.readthedocs.io/en/stable/common/evaluation_basic.html#train-with-the-validation-loop), ...
5 views

### Orange 3 GUI Won't Start - Could not load the Qt platform plugin "xcb"

I'm using Pop!_OS 22.04 and have run the following commands to install Orange using pip. The install commands threw no obvious errors. ...
25 views

### How Does the Reward Model in ChatGPT Calculate Losses?

Reading the InstructGPT paper(which seems to be what ChatGPT was built off of), I found this equation for the reward function. However, I'm struggling to understand how this equation is used to ...
3 views

### Multi Samples Belong to the same Person with one Label

i have acquired data from 8 person and this data is from the phone and saved in intervals (about 60 intervals per person), i want to use that Data for supervised learning to classify if a person is ...
3 views

### How to give a column a special weight for any algorithm? (binary option)

I'm dealing with binary option, I'm making a classification model using xgboost, my idea is to predict the posterior candle color by using some data of the 20 previous candles so I made a dataset on ...
1 vote
13 views

### ValueError: Found input variables with inconsistent numbers of samples: [120, 30]

I practice XGBClassifier() to predict the target in iris dataset. here is the code: ...
1 vote