Results 31 to 40 of about 6,142 (181)

Application of Statistical and Econometric Tools in The Analysis of Air Pollution Level on The Example of Czestochowa

open access: yesFolia Oeconomica Stetinensia, 2018
One of the key elements of environmental protection is taking care of air quality. This is a difficult task as the quality of air is influenced by numerous factors connected with man’s activity.
Zawada Marcin, Szajt Marek
doaj   +1 more source

Trends in the incidence of cancers of the breast and female genital tract in Harare, Zimbabwe 1990–2019

open access: yesInternational Journal of Cancer, Volume 159, Issue 4, Page 844-852, 15 August 2026.
What's new? Cancers of the breast and female genital tract represent more than half of all cancers in women in sub‐Saharan Africa. Here, the authors assessed incidence trends in a female population living in urban sub‐Saharan Africa based on the Zimbabwe National Cancer Registry in Harare over a 30‐year period.
Eric Chokunonga   +7 more
wiley   +1 more source

The Application of Random Noise Reduction By Nearest Neighbor Method To Forecasting of Economic Time Series

open access: yesFolia Oeconomica Stetinensia, 2014
Since the deterministic chaos appeared in the literature, we have observed a huge increase in interest in nonlinear dynamic systems theory among researchers, which has led to the creation of new methods of time series prediction, e.g.
Miśkiewicz-Nawrocka Monika
doaj   +1 more source

Model Hybrid for Sales Forecast for the Housing Market of São Paulo

open access: yesReal Estate Management and Valuation, 2020
This research proposes a combined model of time series for forecasting housing sales in the city of São Paulo. We used data referring to the time series of sales of residential units provided by SECOVI-SP.
Moro Matheus Fernando   +2 more
doaj   +1 more source

Nationwide Study on the Cervical Cancer Screening Pathway in Estonia

open access: yesInternational Journal of Cancer, Volume 159, Issue 4, Page 883-895, 15 August 2026.
Cervical cancer remains a significant burden despite being preventable, largely due to inadequate screening participation and poor follow‐up of high‐risk women. Here, the authors investigated follow‐up rates among women who tested positive for high‐risk human papillomavirus (hr‐HPV) infection in primary screening in Estonia. Data show that more than 57
Aleksandra Šavrova   +6 more
wiley   +1 more source

Forecasting cryptocurrencies in turbulent times: Evidence on parsimony versus model complexity

open access: yesEconomics and Business Review
This study examines short-term return forecasting for Bitcoin, Ethereum, and Litecoin over 2020–2024, comparing autoregressive benchmarks with Kitchen Sink and VARX-type models using point and density accuracy measures supported by Diebold–Mariano and ...
Tatarczak Anna, Humeniuk Oleksandra
doaj   +1 more source

Modeling of Cash Flows from Nonperforming Loans in a Commercial Bank

open access: yesNaše Gospodarstvo, 2018
The purpose of this paper is to derive a model for calculation of maturities and volumes of repayments that a bank may expect from nonretail nonperforming loans (hereafter NPLs).
Devjak Srečko
doaj   +1 more source

Cortisol Recognition by a Conformationally Responsive DNA Aptamer

open access: yesAdvanced Sensor Research, Volume 5, Issue 8, August 2026.
The full‐length 85mer cortisol aptamer intrinsically populates two metastable conformational states in equilibrium. Cortisol binding redistributes the conformational ensemble by shifting the equilibrium between open and compact states while maintaining the underlying secondary structure. This ligand‐induced tertiary reorganization provides an atomistic
Lakshitha Jasin Arachchige   +4 more
wiley   +1 more source

Forecasting Value-at-Risk Using Conditional Volatility Models: Evidence from Tehran Stock Exchange [PDF]

open access: yesتحقیقات مالی, 2008
In this paper, we investigate the performance of parametric ARCH class models to forecast out-of-sample VaR for two portfolios of Tehran Stock Exchange (TSE) companies (Market portfolio and a portfolio of 50 liquid companies), using a number of ...
شاپور محمدی   +2 more
doaj  

Unveiling the diverse efficacy of artificial neural networks and logistic regression: A comparative analysis in predicting financial distress

open access: yesCroatian Review of Economic, Business and Social Statistics, 2023
The prediction of financial distress has emerged as a significant concern over a prolonged period spanning more than half a century. This subject has garnered considerable attention owing to the precise outcomes derived from its predictive models.
Sabek Amine
doaj   +1 more source

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