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Development of advanced machine learning for prognostic analysis of drying parameters for banana slices using indirect solar dryer
PublikacjaIn this study, eXtreme Gradient Boosting (XGBoost) and Light Gradient Boosting (LightGBM) algorithms were used to model-predict the drying characteristics of banana slices with an indirect solar drier. The relationships between independent variables (temperature, moisture, product type, water flow rate, and mass of product) and dependent variables (energy consumption and size reduction) were established. For energy consumption,...
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Nanoparticles: Taking a Unique Position in Medicine
PublikacjaThe human nature of curiosity, wonder, and ingenuity date back to the age of humankind. In parallel with our history of civilization, interest in scientific approaches to unravel mechanisms underlying natural phenomena has been developing. Recent years have witnessed unprecedented growth in research in the area of pharmaceuticals and medicine. The optimism that nanotechnology (NT) applied to medicine and drugs is taking serious...
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Brewery spent grain valorization through fermentation: Targeting biohydrogen, carboxylic acids and methane production
PublikacjaThis study investigated three different fermentation approaches to explore the potential for producing biohydrogen, carboxylic acids, and methane from hydrolysates of thermally dilute acid pretreated brewer's spent grains (BSG). Initially, the research focused on maximizing the volumetric hydrogen production rate (HPR) in the continuous dark fermentation (DF) of BSG hydrolysates by varying the hydraulic retention time (HRT). The...
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Photochemical and thermal reaction of intermediates in the phenylnitrene rearangment inside a hemicarcerand
PublikacjaBroadband irradiation (λ > 320 nm) of hemicarceplex H1 between −74 °C and −84 °C, produces encapsulated didehydroazepine (2), triplet phenylnitrene (3PN), 2-azabicyclo[3.2.0]hepta-1,3,6-triene (6), and 4-azaspiro[2.4]hepta-1,4,6-triene (7). The highly strained anti-Bredt imine 6 is formed from 2 via a photochemical four-electron electrocyclization. Under the irradiation conditions, 6 rearranges further to azaspirene 7. In addition,...
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Model based evaluation of plant improvement at a large wastewater treatment plant (WWTP)
PublikacjaIn this work, the effect of the improvement carried out at a large-scale wastewater treatment plant (WWTP) was evaluated, by means of modelling works, with the aim to determine the influence of the modernization over the process performance. After modernization, the energy consumption due to the aeration decreased about a 20% maintaining the effluent quality. In order to double-check the good effluent quality, modelling works were...
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Formation of carbon monoxide by radiative association: a quantum dynamical study
PublikacjaRate coefficients for the formation of carbon monoxide (CO) by radiative association of carbon and oxygen atoms are computed using quantum dynamical simulations. At temperatures above 10 K CO radiative association is dominated by C(3P) and O(3P) approaching on the A1Π potential energy curve. The rate coefficient is estimated as k=A(T/300 K)αexp−β/T with A= 1.39 × 10−18 cm3 s−1, α=−0.016 and β= 92.2 for temperatures between 6 and...
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Lower Rim Substituted p-tert-Butyl-Calix[4]arene. Part 15. Pb(II)-Ion-Selective Electrodes Based on p-tert-Butyl-calix[4]arene Thioamides.
PublikacjaTetra podstawione tioamidowe pochodne para-tert-butylokaliks[4]arenu (1-5) zostały zastosowane jako jonofory w membranowych elektrodach jonoselektywnych (EJS) selektywne na kationy Pb(II). Wyznaczono współczynniki selektywności. Czwartorzędowe kaliks[4]aren-tioamidy (1,2) wykazują nadzwyczaj dobrą selektywność na kationy Pb(II) w porównaniu z kaliks[4]aren-amidami. Membrany z tymi ligandami wykazują dużą trwałość, a charakterystyki...
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Determination of flow properties of a pneumatic hose from changes in air pressure in a tank being emptied or filled by a differently configured pneumatic line
Dane BadawczeThe aim of the study was to determine the flow properties of various pneumatic hoses. The experiments were to measure the pressure changes in a being filled or emptied tank for a differently configured pneumatic line, including pneumatic hoses of different length and diameter. Three test configurations were used: (1) pressure source -> pneumatic...
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Linear impedance of V2O5 nanorods obtained at 903K
Dane BadawczeThe DataSet contains the linear electrical properties of V2O5 nanorods which were measured by the impedance spectroscopy method. V2O5 nanorods were obtained by the sol-gel method. The information about xerogel powder synthesis is described in the Journal of Nanomaterials. The precursor powder was pressed into the disk-shaped pellets (12mm in diameter...
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Linear impedance of V2O5 nanorods obtained at 913K
Dane BadawczeThe DataSet contains the linear electrical properties of V2O5 nanorods which were measured by the impedance spectroscopy method. V2O5 nanorods were obtained by the sol-gel method. The information about xerogel powder synthesis is described in the Journal of Nanomaterials. The precursor powder was pressed into the disk-shaped pellets (12mm in diameter...
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Thermal behavior of TeOx powder
Dane BadawczeThe DataSet contains the results of the thermal behavior of the TeOx powder. The material was obtained by the sol-gel method. The starting solution was prepared by mixing telluric acid (precursor) with thetraetylene glycol, water, and ethanol. The sol was obtained by vigorously stirring precursor solution at 50°C for 2h, then the temperature was raised...
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Linear impedance of V2O5 nanorods obtained at 893K
Dane BadawczeThe DataSet contains the linear electrical properties of V2O5 nanorods which were measured by the impedance spectroscopy method. V2O5 nanorods were obtained by the sol-gel method. The information about xerogel powder synthesis is described in the Journal of Nanomaterials. The precursor powder was pressed into the disk-shaped pellets (12mm in diameter...
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Implementation of Coprocessor for Integer Multiple Precision Arithmetic on Zynq Ultrascale+ MPSoC
PublikacjaRecently, we have opened the source code of coprocessor for multiple-precision arithmetic (MPA). In this contribution, the implementation and benchmarking results for this MPA coprocessor are presented on modern Zynq Ultrascale+ multiprocessor system on chip, which combines field-programmable gate array with quad-core ARM Cortex-A53 64-bit central processing unit (CPU). In our benchmark, a single coprocessor can be up to 4.5 times...
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Direct estimation of linear and nonlinear functionals of quantum state
PublikacjaWe present a simple quantum network, based on the controlled-SWAP gate, that can extract certain properties of quantum states without recourse to quantum tomography. It can be used as a basic building block for direct quantum estimations of both linear and nonlinear functionals of any density operator. The network has many potential applications ranging from purity tests and eigenvalue estimations to direct characterization of...
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Energy efficient indoor localisation for narrowband internet of things
PublikacjaThere are an increasing number of Narrow Band IoT devices being manufactured as the technology behind them develops quickly. The high co-channel interference and signal attenuation was seen in edge Narrow Band IoT devices make it challenging to guarantee the service quality of these devices. To maximize the data rate fairness of Narrow Band IoT devices, a multi-dimensional indoor localization model is devised, consisting of...
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Indirect control over subordinate units
PublikacjaDeveloping a game universe usually involves creation of various units which can be both, encountered by a player or controlled by him. There is a number of works considering autonomous behaviours of units wandering around the game world. When it comes to the units controlled by the player, they often are lack of autonomy and are strictly controlled by the player. This paper presents a concept of units behaviour depending on their...
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INDIRECT CONTROL OVER SUBORDINATE UNITS
PublikacjaDeveloping a game universe usually involves creation of various units which can be both, encountered by a player or controlled by him. There is a number of works considering autonomous behaviors of units wandering around the game world. When it comes to the units controlled by the player, they are often deprived of autonomy and are strictly controlled by the player. This paper presents a concept of units behavior depending on their...
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Integrated Control in High-Speed Networks Using Constrained Model Predictive Control
PublikacjaThis paper studies congestion control in high-speed communication networks using Model Predictive Control (MPC). Network traffic is assumed to consist of best-effort and priority traffic sources. An integrated controller consisting of two control parts is designed. The controller calculates the capacity for priority sources and the input rate of best-effort sources. MPC is desirable as it can take into account the constraints on...
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Reliability of Pulse Measurements in Videoplethysmography
PublikacjaReliable, remote pulse rate measurement is potentially very important for medical diagnostics and screening. In this paper the Videoplethysmography was analyzed especially to verify the possible use of signals obtained for the YUV color model in order to estimate the pulse rate, to examine what is the best pulse estimation method for short video sequences and finally, to analyze how potential PPG-signals can be distinguished from...
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Wzrost gospodarczy a zapotrzebowanie na prace - teoria i rzeczywistość gospodarcza Polski w latach 1995-2014
PublikacjaW części teoretycznej artykułu w pierwszej kolejności przedstawiono makroekonomiczne podstawy zapotrzebowania na pracę w warunkach postępu technicznego oraz zmian kapitału rzeczowego. W następnej kolejności sformułowano założenia dla modelu opisującego zależności pomiędzy stopami wzrostu produktu krajowego i zatrudnienia. W części empirycznej artykułu rozważano wybrane wersje oszacowanego modelu opisujące gospodarkę Polski. Do...
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Gdynia Wielkopolska street 2020 - video traffic data
Dane BadawczeGdynia Wielkopolska street 2020 - video traffic data
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Architectural & Urban Heritage 2021/2022
Kursy OnlineParticipation in the course ARCHITECTURAL & URBAN HERITAGE gives an opportunity of knowing political, economic, and cultural issues of Polish Architecture in the 19th and 20th century. This period includes the fall of feudalism, the flourish of the industrial era, the birth of modernism, two totalitarian systems, and the rebuilding of Poland after II World War. Mentioned circumstances caused deep changes which gave a strong...
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[Soft Skills] Writing grant application
Kursy Online{mlang pl} Dyscyplina: soft skills Zajęcia obowiązkowe dla doktorantów II roku, Prowadzący: mgr Renata Downar-Zapolska Liczba godzin: 5 Forma zajęć: online Data:15.06.2023 {mlang} {mlang en} Discipline: soft skills Obligatory course for 2nd-year PhD students Academic teacher: mgr Renata Downar-Zapolska Total hours of training: 5 teaching hours Course type: online Date: 15.06.2023 {mlang}
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Ilona Edyta Kłosowska-Chomiczewska dr inż.
Osoby -
Integration of the sulfate reduction and anammox processes for enhancing sustainable nitrogen removal in granular sludge reactors
PublikacjaThe Anammox and Sulfate Reduction Ammonium Oxidation processes were compared in two granular sequencing batch reactors operated for 160 days under anammox conditions. It was hypothesized that increasing the concentration of SO42− may positively influence the rate of N removal under anaerobic conditions and it was tested whether SO42− reduction and anammox occur independently or are related to each other. The cooperation of N-S...
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INFLUENCE OF TEMPERATURE ON THE ACTIVITY OF ANAMMOX GRANULAR BIOMASS - SHORT AND LONG-TERM ASPECT
PublikacjaThe aim of this study was to determine a short-term and long-term effect of temperature on the anammox process rate and determination of temperature coefficients in the Arrhenius and Ratkowski equations. The short-term effects of temperature on the anammox biomass were investigated in batch tests at ten different temperatures in the range of 10-55 ̊C. The maximum rate 1.3 gN (gVSS·d)-1 observed at 40 ̊C. The minimum rate, close...
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Application of atmospheric pressure microwave plasma source for hydrogen production from ethanol
PublikacjaIn contrast to conventional technologies of hydrogen production like water electrolysis or coal gasification we propose a method based on the atmospheric pressure microwave plasma. In this paper we present results of the experimental investigations of the hydrogen production from ethanol in the atmospheric pressure plasma generated in waveguidesupplied cylindrical type nozzleless microwave (915 MHz and 2.45 GHz) plasma source (MPS)....
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Novel fast non-linear electrochemical impedance method for corrosion investigations
PublikacjaThe paper presents a novel approach to corrosion rate monitoring using non-linear electrochemical impedance spectroscopy. The authors propose a new variant of non-linear impedance measurement using amplitude-modulated multi-frequency ac perturbation signal. It allows shortening of measurement duration so it is possible to monitor corrosion rate of the systems experiencing rapid changes. In this way a limitation resulting from lack...
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Sebastian Wilczewski dr inż.
OsobyDr inż. Sebastian Wilczewski jest zatrudniony na stanowisku adiunkta w Katedrze Zastosowań Informatyki w Zarządzaniu, Wydział Zarządzania i Ekonomii. Ponadto od ponad 20 lat pracuje w firmach informatycznych, gdzie zajmował stanowiska od inżyniera i konsultanta, poprzez stanowisko Project Managera, Portfolio Manager i Proces Ownera aż do stanowiska Team Leadera dla zespołu około 30 analityków IT. Zdobytą wiedzą i doświadczeniem...
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Road safety analysis in Poland using time-series modelling techniques
PublikacjaA number of international studies argue that there is a correlation between the number of traffic fatalities and the degree of public activity. The studies use the unemployment rate to support that argument. As unemployment grows miles travelled fall, a factor known to affect road safety. This relationship seems to be true for Poland, as well. The model presented in the paper is intended to prove it. It is a structural time-series local...
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Zero-visibility cops and robber and the pathwidth of a graph
PublikacjaWe examine the zero-visibility cops and robber graph searching model, which differs from the classical cops and robber game in one way: the robber is invisible. We show that this model is not monotonic. We show that the zero-visibility copnumber of a graph is bounded above by its pathwidth and cannot be bounded below by any nontrivial function of the pathwidth. As well, we define a monotonic version of this game and show that the...
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Koncert Zimowy
WydarzeniaNajpiękniejsze polskie kolędy i pastorałki w wykonaniu Kuby Jurzyka, Pauliny Grochowskiej (wokale), Golden Gate String Quartet i Jana Jareckiego (piano). Nie zabraknie największych świątecznych zagranicznych hitów.
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A method for counting people attending large public events
PublikacjaThe algorithm for people counting in crowded scenes, based on the idea of virtual gate which uses optical flow method is presented. The concept and practical application of the developed algorithm under real conditions is depicted. The aim of the work is to estimate the number of people passing through entrances of a large sport hall. The most challenging problem was the unpredicted behavior of people while entering the building....
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Video recordings of bees at entrance to hives
Dane BadawczeVideo recordings of bees at entrance to hives from 2017-04-22, 2017-04-23 and 2018-05-22. All recordings were made using hand-held full HD camera (Samsung Galaxy S3) and encoded using H.264 video codec (Standard Baseline Profile for mov files from 2017, High Profile for mp4 files from 2018) , 30 FPS and bit rate 14478 kb/s (mov files from 2017) or 16869 kb/s...
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Linear impedance of V2O5 nanorods obtained at 923K
Dane BadawczeThe DataSet contains the linear electrical properties of V2O5 nanorods which were measured by the impedance spectroscopy method. V2O5 nanorods were obtained by the sol-gel method. The information about xerogel powder synthesis is described in the Journal of Nanomaterials. The precursor powder was pressed into the disk-shaped pellets (12mm in diameter...
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Wieloobszarowa regulacja systemu turbogeneratora elektrowni jądrowej =Multiregional control of nuclear power plant turbogenerator system
PublikacjaW artykule przedstawiono propozycję zaawansowanej struktury sterowania układem turbogeneratora w szerokim zakresie zmian zapotrzebowania na moc czynną. Dla potrzeb syntezy tej struktury wykorzystano nieliniowe, dynamiczne modele turbiny parowej i generatora synchronicznego współpracującego z systemem elektroenergetycznym. Zaproponowane algorytmy sterowania oparte są odpowiednio o wieloobszarowe regulatory rozmyte, z lokalnymi regulatorami...
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Determination of changes in viscosity of refined oil depending on the temperature (19-96 Celsius degrees).
Dane BadawczeThe rheological characteristics of the refined oil were made on the basis of the viscosity assessment using a Brookfield viscometer with an LV SC4 - 18 spindle and a shear rate of 52.8 s-1 in from temperature 19-96 °C.
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Total annual EU country support for tax credits and child benefits in EUR (2017)
Dane BadawczeThe inhabitants of Luxembourg can count on the highest support, the smallest - only a dozen or so euros in Bulgaria. Considerable variation also occurs when we consider the help of general support measured in relation to the average salary. In this case, the highest rate is in France (13.7%), and the lowest, similarly to Bulgaria, (only 0.2%).
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MONITORING OF PERMANENT GPS STATIONS AT THE SUDETY MOUNTAINS
PublikacjaThe aim of this paper is to show time-dependent baseline variation between GPS stations situated in South-East Poland. This study was based on daily data analysis of selected GPS stations: WROC, GOPE, MOPI, KRAW and KATO. The start date of the analysis is linked at every station with the beginning of its operation and the closing date of the operation is in 2006. The multiresolution signal decomposition method has been used to...
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System supporting behavioral therapy for children with autism
PublikacjaIn this paper, a system supporting behavioral therapy for autistic children is presented. The system consists of sensors network, base station and a brooch indicating person's emotional states. The system can be used to measure values of physiological parameters that are associated with changes in the emotional state. In the future, it can be useful to inform the autistic child and the therapist about the emotional state of the...
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An new method of audio-visual correlation analysis
PublikacjaThis paper presents a new methodology of conducting the audio-visual correlation analysis employing the gaze tracking system. Interaction between two perceptual modalities, seeing and hearing, their interaction and mutual reinforcement in a complex relationship was a subject of many research studies. Earlier stage of the carried out experiments at the Multimedia Systems Department (MSD) showed that there exists a relationship between...
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Model of the Internet mortgage market optimization
PublikacjaThe Internet mortgages are currently a fast growing market, allowing selling mortgages cheaper andfaster than in the traditional methods such as in bank departments.Given the specificity of selling mortgages in the Internet, banks try to sell more mortgages by spendingmore money on advertising and paying higher commission to the brokers selling their products. It is important tooptimise the amounts of money in both sectors (the...
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Selection of physiological parameters for optoelectronic system supporting behavioral therapy of autistic children
PublikacjaIn this article the procedure of selection of physiological parameters for optoelectronic system supporting behavioral therapy of autistic children is proposed. Authors designed and conducted an experiment in which a group of 30 health volunteers (16 females and 14 males) were examined. Under controlled conditions people were exposed to a stressful situation caused by the picture or sound (1kHz constant sound, which was gradually...
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Experimental economics in business education: Using simple games to achieve multifaceted effects
PublikacjaEconomics differs from other sciences not only because of its normative part, but also because of very limited use of experiments. In this way, economics is often perceived as being methodologically more similar to astronomy or meteorology rather than physics or chemistry. Over last decades, however, experimental economics has been significantly developed. This chapter presents some of the possibilities for academic teachers to...
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JamesBot - an intelligent agent playing StarCraft II
PublikacjaThe most popular method for optimizing a certain strategy based on a reward is Reinforcement Learning (RL). Lately, a big challenge for this technique are computer games such as StarCraft II which is a real-time strategy game, created by Blizzard. The main idea of this game is to fight between agents and control objects on the battlefield in order to defeat the enemy. This work concerns creating an autonomous bot using reinforced...
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Olsztyn 2019- video traffic data
Dane BadawczeOlsztyn 2019- video data
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Giżycko 2017- video data - pedestrian, bicycles, vehicles
Dane BadawczeGiżycko 2017- video data - pedestrian, bicycles, vehicles
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Zastosowanie hydrofitowej metody oczyszczania ścieków na świecie i w Polsce
PublikacjaMiędzynarodowa i krajowa współpraca naukowców, projektantów i wykonawców jest niezbędna w rozwoju przyjaznej dla środowiska hydrofitowej metody unieszkodliwiania wód i ścieków.Doświadczenia związane z działaniem systemów złożonych ze złóż hydrofitowych z pionowym i poziomym przepływem ścieków w latach dziewięćdziesiątych przyczyni-ły się do powstania nowych bardziej stabilnych i efektywnych w działaniu rozwiązań możliwych do wykorzystania...
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Problemy wnioskowania z ontologii Semantic Web
PublikacjaIdea Semantic Web (Semantycznego Internetu) opiera się m.in. na ogłaszaniu w Internecie ontologii stanowiących opis pewnego fragmentu rzeczywistości. Aby miało to sens, ontologie te muszą być sformułowane w jednym, powszechnie akceptowanym języku. Takim językiem jest OWL-DL, promowany i standaryzowany przez konsorcjum W3C. Jest to język opary na formalizmie logicznym zwanym logiką opisową. W tym artykule, po krótkim i nieformalnym...
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Examining Statistical Methods in Forecasting Financial Energy of Households in Poland and Taiwan
PublikacjaThis paper examines the usefulness of statistical methods in forecasting the financial energy of households. The study’s objective is to create the innovative ratios that combine both financial and demographic information of households and implement them in the forecasting models. To conduct this objective, six forecasting models are developed using three different methods—discriminant analysis, logit analysis, and decision trees...