Search results for "Lust"

Mental health profiles of Finnish adolescents before and after the peak of the COVID-19 pandemic

2023

Abstract Background The COVID-19 pandemic has had implications for adolescents’ interpersonal relationships, communication patterns, education, recreational activities and well-being. An understanding of the impact of the pandemic on their mental health is crucial in measures to promote the post-pandemic recovery. Using a person-centered approach, the current study aimed to identify mental health profiles in two cross-sectional samples of Finnish adolescents before and after the peak of the pandemic, and to examine how socio-demographic and psychosocial factors, academic expectations, health literacy, and self-rated health are associated with the emerging profiles. Methods and findings Surv…

Inter arma silent revisores rationum : toisen maailmansodan aiheuttama taloudellinen rasitus Suomessa vuosina 1939-1952

1993

Puolustusvoimien liikuntakoulutuksen toteutuminen

2005

Monialustaisten mobiilisovellusten kehittämistavat

2017

Mobiililaitteiden käyttö on lisääntynyt huomattavasti lähivuosina, joten sovelluksia kehitetään yhä enemmän. Sovellusten kehittäminen kuhunkin ympäristöön natiivisti on kuitenkin kallista ja vaatii runsaasti aikaa, sillä sovellukset joudutaan luomaan alustoille erikseen. Monialustainen mobiilisovelluskehitys pyrkii tuomaan ratkaisun tähän ongelmaan mahdollistamalla sovelluksen toiminnan usealla alustalla yhden ohjelmakoodin pohjalta. Tässä tutkielmassa käydään läpi mitkä hyödyt ja haasteet ovat tyypillisiä natiiveille webpohjaisille, hybrideille, tulkatuille ja käännetyille sovelluksille. Lisäksi tutkielmassa vertaillaan neljän erilaisen ohjelmistokehyksen ominaisuuksia, sekä mitä rajoittei…

Los Ethicorum Libri III del ilustrado valenciano Mariano Madramany y Calatayud: edición crítica, traducción y notas

2013

Esta tesis doctoral consiste en una edición crítica de los Ethicorum Libri III (Valencia, 1816) escritos por el erudito valenciano Mariano Madramany y Calatayud, acompañada de una traducción al español y de notas explicativas. En la introducción se da detallada cuenta de la biografía de Madramany a partir de la consulta de la documentación de archivos, y se repasa el conjunto de su producción escrita, prestando especial atención a los contenidos, las estructuras y las fuentes de los Ethicorum. El doctorando establece las principales fuentes de los Ethicorum Libri III, a saber, santo Tomás de Aquino, el Catecismo Romano y la Theologia Moralis de Alfonso de Ligorio. La Tesis pone de manifiest…

Weighted Clustering of Sparse Educational Data

2015

Clustering as an unsupervised technique is predominantly used in unweighted settings. In this paper, we present an efficient version of a robust clustering algorithm for sparse educational data that takes the weights, aligning a sample with the corresponding population, into account. The algorithm is utilized to divide the Finnish student population of PISA 2012 (the latest data from the Programme for International Student Assessment) into groups, according to their attitudes and perceptions towards mathematics, for which one third of the data is missing. Furthermore, necessary modifications of three cluster indices to reveal an appropriate number of groups are proposed and demonstrated. pe…

SparseHC: A Memory-efficient Online Hierarchical Clustering Algorithm

2014

Computing a hierarchical clustering of objects from a pairwise distance matrix is an important algorithmic kernel in computational science. Since the storage of this matrix requires quadratic space with respect to the number of objects, the design of memory-efficient approaches is of high importance to this research area. In this paper, we address this problem by presenting a memory-efficient online hierarchical clustering algorithm called SparseHC. SparseHC scans a sorted and possibly sparse distance matrix chunk-by-chunk. Meanwhile, a dendrogram is built by merging cluster pairs as and when the distance between them is determined to be the smallest among all remaining cluster pairs. The k…

Detecting clusters in spatially correlated waveforms

2017

Seismic networks often record signals characterized by similar shapes that provide important information according to their geographic positions. We propose an approach to identify homogeneous clusters of seismic waves, combining analysis of waveforms with metadata and spectrogram information. In waveforms clustering, cross-correlation measures between signals may presents some limitations, so we refer to more recent contributes relating data-depth based clustering analysis. The mechanism for alignment is also an important topic of the analysis: warping (or aligning) procedures identify nuisance effects in phase variation, that, if ignored, may result in a possible loss of information and t…

Models and methods for space and space-time interactions in complex point processes with applications on earthquakes

Spatio-temporal Dynamical Analysis of Brain Activity during Mental Fatigue Process

2021

Mental fatigue is a common phenomenon with implicit and multidimensional properties. It brings dynamic changes of functional brain networks. However, the challenging problem of false positives appears when the connectivity is estimated by Electroencephalography (EEG). In this paper, we propose a novel framework based on spatial clustering to explore the sources of mental fatigue and functional activity changes caused by them. To suppress the false positive observations, spatial clustering is implemented in brain networks. The nodes extracted by spatial clustering are registered back to functional magnetic resonance imaging (fMRI) source space to determined the sources of mental fatigue. The…