Search Results for author: Grzegorz Dudek

Found 21 papers, 5 papers with code

A Method of Generating Random Weights and Biases in Feedforward Neural Networks with Random Hidden Nodes

no code implementations13 Oct 2017 Grzegorz Dudek

In these networks the weights and biases of hidden nodes determining the nonlinear feature mapping are set randomly and are not learned.

Data-Driven Randomized Learning of Feedforward Neural Networks

no code implementations11 Aug 2019 Grzegorz Dudek

In this work, a method which adjusts the random parameters, representing the slopes and positions of the sigmoids, to the target function features is proposed.

Improving Randomized Learning of Feedforward Neural Networks by Appropriate Generation of Random Parameters

no code implementations15 Aug 2019 Grzegorz Dudek

In this work, a method of random parameters generation for randomized learning of a single-hidden-layer feedforward neural network is proposed.

Generating Random Parameters in Feedforward Neural Networks with Random Hidden Nodes: Drawbacks of the Standard Method and How to Improve It

no code implementations16 Aug 2019 Grzegorz Dudek

The standard method of generating random weights and biases in feedforward neural networks with random hidden nodes, selects them both from the uniform distribution over the same fixed interval.

A Constructive Approach for Data-Driven Randomized Learning of Feedforward Neural Networks

no code implementations4 Sep 2019 Grzegorz Dudek

Feedforward neural networks with random hidden nodes suffer from a problem with the generation of random weights and biases as these are difficult to set optimally to obtain a good projection space.

Pattern Similarity-based Machine Learning Methods for Mid-term Load Forecasting: A Comparative Study

no code implementations3 Mar 2020 Grzegorz Dudek, Pawel Pelka

In the experimental part of the work the proposed models were used to forecasting the monthly demand for 35 European countries.

BIG-bench Machine Learning Load Forecasting +3

Ensemble Forecasting of Monthly Electricity Demand using Pattern Similarity-based Methods

no code implementations29 Mar 2020 Paweł Pełka, Grzegorz Dudek

This work presents ensemble forecasting of monthly electricity demand using pattern similarity-based forecasting methods (PSFMs).

regression Time Series +1

Are Direct Links Necessary in RVFL NNs for Regression?

no code implementations29 Mar 2020 Grzegorz Dudek

A random vector functional link network (RVFL) is widely used as a universal approximator for classification and regression problems.

regression

Pattern-based Long Short-term Memory for Mid-term Electrical Load Forecasting

no code implementations22 Apr 2020 Paweł{ }Pełka, Grzegorz Dudek

The novelty of this work is the use of pattern representation of the seasonal time series as an alternative to decomposition.

Load Forecasting Time Series +1

N-BEATS neural network for mid-term electricity load forecasting

1 code implementation24 Sep 2020 Boris N. Oreshkin, Grzegorz Dudek, Paweł Pełka, Ekaterina Turkina

We show that our proposed deep neural network modeling approach based on the deep neural architecture is effective at solving the mid-term electricity load forecasting problem.

Decision Making Load Forecasting +2

Autoencoder based Randomized Learning of Feedforward Neural Networks for Regression

no code implementations4 Jul 2021 Grzegorz Dudek

However, the problem in randomized learning is how to determine the random parameters.

regression

Randomized Neural Networks for Forecasting Time Series with Multiple Seasonality

no code implementations4 Jul 2021 Grzegorz Dudek

This work contributes to the development of neural forecasting models with novel randomization-based learning methods.

Time Series Time Series Forecasting

Data-Driven Learning of Feedforward Neural Networks with Different Activation Functions

no code implementations4 Jul 2021 Grzegorz Dudek

This work contributes to the development of a new data-driven method (D-DM) of feedforward neural networks (FNNs) learning.

Ensembles of Randomized NNs for Pattern-based Time Series Forecasting

no code implementations8 Jul 2021 Grzegorz Dudek, Paweł Pełka

In this work, we propose an ensemble forecasting approach based on randomized neural networks.

Time Series Time Series Forecasting

ES-dRNN: A Hybrid Exponential Smoothing and Dilated Recurrent Neural Network Model for Short-Term Load Forecasting

1 code implementation5 Dec 2021 Slawek Smyl, Grzegorz Dudek, Paweł Pełka

A multi-layer RNN is equipped with a new type of dilated recurrent cell designed to efficiently model both short and long-term dependencies in TS.

Load Forecasting Time Series +1

ES-dRNN with Dynamic Attention for Short-Term Load Forecasting

1 code implementation2 Mar 2022 Slawek Smyl, Grzegorz Dudek, Paweł Pełka

Short-term load forecasting (STLF) is a challenging problem due to the complex nature of the time series expressing multiple seasonality and varying variance.

Load Forecasting Time Series +1

Boosted Ensemble Learning based on Randomized NNs for Time Series Forecasting

no code implementations2 Mar 2022 Grzegorz Dudek

The latter two methods are employed to ensure similar forecasting tasks are solved by all ensemble members, which justifies the use of exactly the same base models at all stages of ensembling.

Ensemble Learning Time Series +1

Recurrent Neural Networks for Forecasting Time Series with Multiple Seasonality: A Comparative Study

no code implementations17 Mar 2022 Grzegorz Dudek, Slawek Smyl, Paweł Pełka

This paper compares recurrent neural networks (RNNs) with different types of gated cells for forecasting time series with multiple seasonality.

Load Forecasting Time Series +1

STD: A Seasonal-Trend-Dispersion Decomposition of Time Series

1 code implementation21 Apr 2022 Grzegorz Dudek

To deal with heteroscedasticity in time series, the method proposed in this work -- a seasonal-trend-dispersion decomposition (STD) -- extracts the trend, seasonal component and component related to the dispersion of the time series.

Time Series Time Series Analysis

Contextually Enhanced ES-dRNN with Dynamic Attention for Short-Term Load Forecasting

1 code implementation18 Dec 2022 Slawek Smyl, Grzegorz Dudek, Paweł Pełka

These cells enable the model to capture short-term, long-term and seasonal dependencies across time series as well as to weight dynamically the input information.

Load Forecasting Time Series +1

Cannot find the paper you are looking for? You can Submit a new open access paper.