Questions tagged [multi-output]
The multi-output tag has no usage guidance.
31
questions
0
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0answers
4 views
Feature selection algorithm for psychometrics, when there is several predicted variables
I'm on a psychometric study. It is a survey.
All variables are on a scale of 7. So these are considered as continuous variables.
I have this dataset:
600 features
100 predicted variables
100 survey ...
0
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0answers
14 views
Prediciting multiple target variables - multioutput regression
I am trying to predict how often a new patient will have specific treatments.
The target values are 8 different treatments
and the independent variables are age, sex, etc.
The outcome of my prediction ...
0
votes
0answers
16 views
Multi-Label Regression of Categorical Probability Distribution that adds up to one
What would an ideal Tensorflow/Keras architecture look like, if the target is a multi-regression with values that add up to one?
Toy Example: Tv Channels
You work for a big TV-Station and your boss ...
2
votes
1answer
54 views
Multi-target regression tree with additional constraint
I have a regression problem where I need to predict three dependent variables ($y$) based on a set of independent variables ($x$):
$$ (y_1,y_2,y_3) = \beta_0 + \beta_1 x_1 + \beta_2 x_2 + \dots + \...
0
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0answers
16 views
How to handle partial labels in multi output classifier using Keras API?
I am training a model with multiple categorical inputs/outputs. Some samples have partial labels.
Currently, I am dropping samples with any missing label but I am wasting a lot of data.
I would like ...
0
votes
1answer
24 views
Multiple targets in a classification problem
I have a vector of length $n \gt 4$ which has exactly 4 targets, so for example [0, 0, 0, 1, 0, 1, 0, 1, 1]. I would like to know how I can modify the softmax ...
1
vote
0answers
43 views
How does Keras optimization for a network with multiple outputs
I currently have a neural network that takes in 3 numbers as inputs and outputs 3 numbers. I've attached a picture of the network below and my code is accessible through the following link: [Google ...
0
votes
1answer
25 views
2
votes
1answer
109 views
Multi-output, multi-timestep sequence prediction with Keras
I've been searching for about three hours and I can't find an answer to a very simple question.
I have a time series prediction problem. I am trying to use a Keras LSTM model (with a Dense at the end) ...
0
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0answers
19 views
aggregating multi output regression outputs vs single output (=top down) approach: is it worth it?
basically I have this problem where I need to forecast the sales of some stores. such stores have multiple product lines of which I have the split data (say Y1,Y2,Y3 where Y1+Y2+Y3=Y). I have also ...
2
votes
1answer
23 views
Given a regression based model with many feature variables; what tools would you utilize to figure out which feature variables add the most variance?
Given a hypothetical dataset {S} with 100 X feature variables and 10 predicted Y variables.
X1
...
X100
Y1
....
Y10
1
..
2
3
..
4
4
..
3
2
..
1
Let's say I want to improve the accuracy of Y1. I am ...
2
votes
1answer
48 views
What method/algorithm for constrained multi-target regression
I am working with three dimensional measurement data and want to model them using a multivariate linear regression.
I have already implemented a simple gradient descent algorithm to solve the classic ...
0
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0answers
11 views
How to compute the R2-score for multivariate data?
I have a model that for each instance predicts some values and I have the real measurements for each instance, but the number of data points varies among instances, say, for the first one I have 4 ...
0
votes
0answers
19 views
Enforce Floor limit when predicting values using Multioutput Regression with Gradient Booster
I have a very simple program below that builds a model using multi-output regression. Even though all the training data consists of positive float values I'm discovering that predictions made often ...
0
votes
0answers
64 views
Tensorflow Model not returning a Distribution object when having DistributionLambda as last layer in a multitasking model
I am building a TF CNN model that takes a picture as input and has 3 outputs (multitask learning). On one of the output layers, I would like to output a distribution object, ...
0
votes
1answer
48 views
How To Motivate A Neural Network
Suppose a training dataset contains the following inputs:
company size
number of employees
turnover
average salary
country
years of operation
...and outputs:
...
0
votes
1answer
109 views
Neural Network for Multiple Dependent Outputs
I have a dataset with approx 6 input features and 5 output values to be predicted. I am trying to understand what kind of neural network would be most suitable to assign probability across multiple ...
1
vote
1answer
116 views
Multiple output size in neural network
In the paper "A NOVEL FOCAL TVERSKY LOSS FUNCTION WITH IMPROVED ATTENTIONU-NETFOR LESION SEGMENTATION" the author use deep supervision by outputing multiple outputmask which have different ...
1
vote
2answers
779 views
Custom output names for keras model
I have a model like this with multiple outputs and i want to change it's output names
...
1
vote
0answers
23 views
Derivative of multi-output Gaussian Process
I am working on a project where I estimate transition and measurements models for a kalman filter using Gaussian Processes.
In order to linearize the models I require the Jacobian of the estimated ...
2
votes
1answer
144 views
Keras loaded model output is different from the training model output
When I train my model it has a two-dimension output - it is (none, 1) - corresponding to the time series I'm trying to predict. But whenever I load the saved model in order to make predictions, it has ...
1
vote
0answers
52 views
Validation Accuracy greater than train accuracy, validation loss lesser than training loss MTL
I am training a multi task model using VGG16.
Datase:
Dataset contain 11K images. There are two tasks:
The dataset is imbalanced,
1) PFR classification: 10 classes
0 --- 5776
10-12 --- 1066
6-...
2
votes
1answer
32 views
Control which features are used for every task in multioutput classification?
I would like to perform a multiclass-multioutput classification task, on vectorized textual data. I started by using a random forest classifier in a multioutput startegy:
...
1
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0answers
16 views
What toolbox to use to create multi-output random forest(reggression) with custom spltting function at each node?
I am trying to implement "Real Time Head Pose Estimation fromConsumer Depth Cameras" by Fanelli et al.
I need to train a random forest(regression) with the following criterion
The predicted output is ...
3
votes
1answer
72 views
Physical modelling with neural networks - single output + stack ensemble vs multi-output
We are trying to replace an existing physical model (8 inputs/7 outputs) with artificial neural networks. The physics behind the existing model is mainly thermodynamics of humid air for air ...
4
votes
2answers
280 views
Are there any Python libraries for predicting the closest value to a correct label out of a variable-size list of possible label values?
Imagine I have the following dataset:
...
2
votes
1answer
72 views
unique predictions for "multi-label multi-output" classification task
Let’s assume that four participants (A, B, C and D) take on five sport-challenges (e.g. swimming, running, ...). Our goal is to predict the placement of each participant for each challenge. Moreover, ...
0
votes
0answers
21 views
Combining several Multi-Output-Models into a single Multi-Output-Model
I'm trying to create a k-Nearest-Neighbor based model of 76-dimensional input data $I$ and 44-dimensional output data $O$.
Through domain knowledge I know that only certain input dimensions are ...
1
vote
2answers
3k views
How to feed data to multi-output Keras model from a single TFRecords file
I know how to feed data to a multi-output Keras model using numpy arrays for the training data. However, I have all my data in a single TFRecords file comprising several feature columns: an image, ...
0
votes
1answer
526 views
Minimal example: Keras functional API & multi-input/multi-output regression
Problem:
I have a regression problem, where I want to predict two or more numerical outcomes $y_i$ based on a number of numerical features $X_i$. The model would look like: $$y_{1,i}, y_{2,i} = \...
1
vote
2answers
227 views
More output neurons than labels?
When we train a neural network model for a classification problem, we usually have a dense output layer of size equal to the number of labels we have.
If the layer size was greater, the model can ...
