Showing 1 - 10 of 123
Findings from previous studies indicate that the long-run stationarity of the real exchange rate in different time horizons remains unclear. In order to shed light on this problem, we have adopted a new method which is widely used to analyze signals, the so-called wavelet transformation. This...
Persistent link: https://www.econbiz.de/10014001508
One of the challenges of PV power generation is solar intermittency from weather conditions. Solar irradiance prediction is therefore required to deal with this issue. Several prediction methods have been proposed based on whole sky image processing techniques. This paper presents a combination...
Persistent link: https://www.econbiz.de/10012652289
COVID-19 has changed the way we live, communicate and work, as well as altering our feelings. The higher education sector, alongside other sectors, has been severely affected by the pandemic and its serious repercussions. Academic and teaching staff have had to work from home and convert to...
Persistent link: https://www.econbiz.de/10014329483
The adoption of models based on key performance indicators to diagnose and evaluate the competitiveness of companies has been presented as a trend in the operations' management. These models are structured with different variables in complex interrelationships, making diagnosis and monitoring...
Persistent link: https://www.econbiz.de/10014333200
Nahezu die Hälfte der Bundestagsmandate wird über die Direktwahl in den Wahlkreisen vergeben. Das bleibt in einem Großteil der Wahlprognosemodelle jedoch unberücksichtigt. In diesem Beitrag stellen wir einen Ansatz zur Vorhersage der Erststimmenanteile in Wahlkreisen für Bundestagswahlen...
Persistent link: https://www.econbiz.de/10014503528
Estimation of missing precipitation records is one of the most important tasks in hydro-logical and environmental study. The efficiency of hydrological and environmental models is sub-ject to the completeness of precipitation data. This study compared some basic soft computing techniques,...
Persistent link: https://www.econbiz.de/10010311903
capital commitment costs are high. For this reason, an accurate forecast can improve service levels and ensure efficient stock …
Persistent link: https://www.econbiz.de/10014542171
This paper addresses the steep learning curve in Machine Learning faced by noncomputer scientists, particularly social scientists, stemming from the absence of a primer on its fundamental principles. I adopt a pedagogical strategy inspired by the adage "once you understand OLS, you can work your...
Persistent link: https://www.econbiz.de/10014567597
elections (2004, 2008, and 2012). The proposed approach significantly increases the accuracy of the forecast. …
Persistent link: https://www.econbiz.de/10011995849
(GARCH) models, of differing lag and parameter terms, to forecast the variance of the market used in the denominator of the … squared forecast error (MSE) were used to compare the forecasting ability of the ex-ante GARCH models, Artificial Neural …
Persistent link: https://www.econbiz.de/10011709010