Miracle-dz/UniFAR-FTUs huggingface dataset:
[Socioeconomical level and behavior in school-age children: the mediating role of parents].

A determinant of particular relevance in human development is the socioeconomic status (SES) and, specifically, low SES and poverty. Likewise, family environment is essential in the development of children and a potential mediator or moderator of the effect of broader social conditions. OBJECTIVE To analyze the role of parenting stress as a mediating variable of the relationship between SES and both externalized and internalized behaviors in preschool children. SUBJECTS AND METHOD Descriptive secondary base study based on the Longitudinal Survey of Chilean First Infancy that selected a stratified sample, representative by clusters, of 9.996 children from 3 to 5 years old and their caregivers, that completed a battery of instruments for measuring SES variables, parenting stress and externalized and internalized behaviors. The analysis used a linear model with least square estimate. As hypothesis testing, the Dm (an adaptation of the F-test for multiple imputation method) was used. RESULTS The mediation model of parenting stress in the relationship between SES and both externalized and internalized behaviors was confirmed for the latter; regarding externalized behaviors a model of moderation was observed, being the stress influence lower on the low SES. CONCLUSIONS Parental stress showed a clear relationship with the presence of externalized and internalized behaviors, stronger than the SES. The relationship between SES and parenting stress is very important to understand the processes that affect childrens development.
Salary differences under the salary cap in Major League Soccer

Professional soccer is the world’s most popular sport; a number of National Leagues are under the control of National Associations. The economic theory behind soccer is the continuing competition to earn much more than other sports do in the sports market. Since the supply of talent is limited, teams’ demand for certain professionals is so strong that it leads to salary differences between players. Therefore, in this study, attention is given to the determinants of the differences in workers’ salaries in the Major League Soccer labor market using Generalized Least Squares (GLS) estimation on panel data from 2007 to 2016. Birth place is the most influential determinant of a player’s salary, along with a player’s position, a player’s age, whether the player has a national team duty, and the number of games in which the player started in the first eleven. Conversely, moving from one Major League Soccer team to another and the number of games played as a substitute have a negative effect on players’ salaries.
The Fisher Information Matrix : Performance Measure and Monte Carlo-Based Computation

The Fisher information matrix summarizes the amount of information in the data relative to the quantities of interest. There are many applications of the information matrix in modeling, systems analysis, and estimation, including confidence region calculation, input design, prediction bounds, and “noninformative” priors for Bayesian analysis. This paper reviews some basic principles associated with the information matrix, presents a resampling-based method for computing the information matrix together with some new theory related to efficient implementation, and presents some numerical results. The resampling-based method relies on an efficient technique for estimating the Hessian matrix, introduced as part of the adaptive (“second-order”) form of the simultaneous perturbation stochastic approximation (SPSA) optimization algorithm.
Compressing Mesh Geometry using Spectral Methods and a Set Partitioning Approach

We propose a mesh geometry coder that utilizes spectral methods and a set partitioning approach for coding the spectral coefficients. The spectral method of Karni Z. et al., (2000) not only achieved high rate-distortion performance on irregular meshes, but also allowed progressive transmission of meshes by truncating the coefficient vector and performing reconstruction with a small subset of coefficients that contain most of the total energy. In this paper, mesh geometry is projected onto an orthonormal basis that is derived from the mesh topology as in Karni Z. et al., (2000), and the spectral coefficients are coded with the set partitioning sorting algorithm of Pearlman W. A. et al., (2004). Since the method achieves implicit bit allocation to the spectral coefficients of the three coordinates and efficiently codes the significant coefficient location information by jointly coding the zeroes in the bit planes of these coefficients the rate-distortion performance of the proposed method is superior to that of Karni Z. et al., (2000) as demonstrated by our experiments on common irregular meshes. The generated bit stream is also truly embedded
Work-related attitudes as antecedents of perceived individual-, unit- and organisation-level performance

Purpose The purpose of this paper is to the debate on employees’ subjective performance evaluations by examining how organisational commitment and job satisfaction are related to perceived performance at the individual, unit and organisation levels. Design/methodology/approach Quantitative survey data were collected from two large corporations in Finland: one operating in the field of information and communications technology and the other in the forestry industry. The partial least squares (PLS) method was used for the data analyses. Findings Both job satisfaction and organisational commitment had a positive effect on employees’ perceived individual-, unit- and organisation-level performance. These effects were the strongest at the organisation level. Originality/value To date, limited attention has been paid to perceived individual-, unit- and organisation-level performance as a consequence of organisational commitment and job satisfaction.
A high-end binary search unit for svm dna micro-arrays

The Use of DNA micro-arrays helps scientist detecting several types of cancer at primitive stage. There is a great amount of data that have to be processed when using DNA micro-arrays by computational heavy algorithms. For these two reasons, the great scientific interest of the problem, and the heavy computational load of the algorithm, bioinformatics research community have proposed several approaches, while the reconfigurable logic research community has implement certain systems for performance boosting. At this paper we have profiled the algorithm that produce the most accurate results, and implement the computational intensive functions in a reconfigurable based system. This approach produces up to 500 times performance boosting in comparison with a conventional general purpose processor using Matlab.
Load-pull circles analysis method for aplying the outphasing technique in power amplifier design

This paper presents a simple way of analyzing the suitability of a power amplifier for its use in an outphasing system. Simple steps are presented, allowing the designer to decide in advance if the outphasing technique will improve the efficiency versus back-off characteristic of the amplifier. For validating the method, an outphasing system for a Class AB amplifier has been designed, simulated and measured. In addition, a Class D amplifier has been also simulated to make a comparison of the results.
A NOTE ON PORTFOLIO MANAGEMENT UNDER NON-GAUSSIAN LOGRETURNS

We calculate numerically the optimal allocation and consumption strategies for Merton's optimal portfolio management problem when the risky asset is modelled by a geometric normal inverse Gaussian Levy process. We compare the computed strategies to the ones given by the standard asset model of geometric Brownian motion. To have realistic parameters in our studies, we choose Norsk Hydro quoted on the New York Stock Exchange as the risky asset. We find that an investor believing in the normal inverse Gaussian model puts a greater fraction of wealth into the risky asset. We also investigate the limiting investment rate when the volatility increases. We observe different behaviour in the two models depending on which parameters we vary in the normal inverse Gaussian distribution.
FPGA Realization of Activation Function for Artificial Neural Networks

Implementation of artificial neural network (ANN) in hardware is needed to fully utilize the inherent parallelism. Presented work focuses on the configuration of field-programmable gate array (FPGA) to realize the activation function utilized in ANN. The computation of a nonlinear activation function (AF) is one of the factors that constraint the area or the computation time. The most popular AF is the log-sigmoid function, which has different possibilities of realizing in digital hardware. Equation approximation, lookup table (LUT) based approach and piecewise linear approximation (PWL) are a few to mention. A two-fold approach to optimize the resource requirement is presented here. Primarily, fixed-point computation (FXP) that needs minimal hardware, as against floating-point computation (FLP) is followed. Secondly, the PWL approximation of AF with more precision is proved to consume lesser Si area when compared to LUT based AF. Experimental results are presented for computation.
A logic based approach to locate composite refactoring opportunities in object-oriented code

In today's software engineering, more and more emphasis is put on the quality of object-oriented software design. It is commonly accepted that building a software system with maintainability and reusability issues in mind is far more important than just getting all the requirements fulfilled in one way or another. Design patterns are powerful means to obtain this goal. Tools have been built that automatically detect design patterns in object-oriented code and help in understanding the code. Other tools help in refactoring object-oriented code towards introducing design patterns, but human intelligence is needed to detect where these design patterns should be inserted. This paper proposes a logic approach to the automatic detection of places within object-oriented code where the Composite design pattern could have been used. Suspects identified by such a tool could very well be served as input data for other tools that automatically refactor the code as to introduce the missing design pattern.
MODEL PEMBELAJARAN THINK TALK WRITE (TTW) BERBASIS ASSESSMENT FOR LEARNING (AFL) MELALUI PENILAIAN TEMAN SEJAWAT MENINGKATKAN KEMANDIRIAN BELAJAR SISWA KELAS VIII

Penelitian ini merupakan penelitian eksperimental semu dengan desain faktorial 3 3. Populasi dari penelitian ini adalah seluruh siswa kelas VIII SMP Darul Hijrah Martapura. Pengambilan sampel dilakukan dengan simple random sampling . Berdasarkan uji hipotesis, diperoleh kesimpulan sebagai berikut. (1) Hasil belajar siswa yang diberi perlakuan model pembelajaran kooperatif tipe TTW berbasis Assessment for Learning (AfL) melalui penilaian teman sejawat lebih baik dari hasil belajar siswa yang diberi perlakuan model pembelajaran TTW maupun model pembelajaran konvensional, dan hasil belajar siswa yang diberi perlakuan model pembelajaran TTW lebih baik dari hasil belajar siswa yang diberi perlakuan model pembelajaran konvensional. (2) Hasil belajar siswa yang memiliki kemandirian belajar tinggi lebih baik dari hasil belajar siswa yang memiliki kemandirian belajar sedang maupun rendah, dan hasil belajar siswa yang memiliki kemandirian belajar sedang lebih baik dari siswa yang memiliki kemandirian belajar rendah. (3) Pada model pembelajaran TTW berbasis Assessment for Learning (AfL) melalui penilaian teman sejawat, TTW maupun model pembelajaran konvensional, siswa dengan kemandirian belajar tinggi mempunyai hasil belajar yang lebih baik daripada siswa dengan kemandirian belajar sedang maupun siswa dengan kemandirian belajar rendah, dan siswa dengan kemandirian belajar sedang mempunyai hasil belajar yang lebih baik daripada siswa dengan kemandirian belajar rendah. (4) Pada kategori kemandirian belajar tinggi, sedang maupun rendah, model pembelajaran TTW berbasis Assessment for Learning (AfL) melalui penilaian teman sejawat memberikan hasil belajar yang lebih baik daripada model pembelajaran TTW maupun model pembelajaran konvensional. Pada kategori kemandirian belajar tinggi, sedang maupun rendah, model pembelajaran TTW memberikan hasil belajar lebih baik daripada model pembelajaran konvensional.
The Halo Effect on User Interfaces An evaluation of design strategies involving aesthetics and design metaphors

This study has focused on the relation between aesthetics and usability within a user interface based on a design metaphor. Three designs with a tree metaphor and one design as a simple list has been used for evaluation. These designs have been evaluated by six usability experts with a heuristic inspection and by user testing. The heuristic inspection consisted of twelve specialized heuristics for smartphones. The user testing was done with a field-study and a think-aloud protocol. The results from both the heuristic evaluation and the user testing showed that the simple list design had the highest usability but one of the tree metaphor designs was the most aesthetically pleasing. However, the user did prefer the aesthetically pleasing design. This suggest that there is a relation between perceived aesthetics and perceived usability similar to the halo effect.
Case Report: Langerhans' Cell Histiocytosis in the Parotid Gland

Langerhans' cell histiocytosis presenting as a parotid gland mass is extremely rare. We report a case of Langerhans' cell histiocytosis in the parotid gland that occurred in a 34-year-old Korean male. The patient underwent parotidectomy followed by adjuvant chemotherapy. There has been no evidence of local recurrence or disease progression during 20 months after the lesion was first diagnosed. Differentiation of Langerhans' cell histiocytosis from Kimura's disease was crucial in this clinical setting. (received 14 December
Reuse by Contract

Reuse by contract is the application of formal methods to software reuse: software components are associated with contracts|formal models of their functional behaviour|and administered , retrieved, and reused by these. We argue that reuse by contract is necessary for safe reuse in a formal process model, but is helpful even for more traditional software development. We discuss some obstacles against the use of formal component speciications, and propose some solutions in order to make reuse by contract practical. Workshop Goals: Discuss the design of reusable component libraries; discuss ways to mitigate acceptance problems; discuss tool architectures; study relation with OO design methods; study combination with structural code reuse mechanism (e.g., patterns or functors.)
Refining an Ad-hoc Network Performance by Executing Multiple Channel in Mac Protocol

The MANET is shaped by set of wireless node without any predefined arrangement. The ad-hoc networks are based on the multi -hop communication to find the ideal route for conveyance. To make the communication, in ad-hoc network every node must collaborate among themselves to forward the packets. In ad-hoc network each node acts as a router to transmit the information to the other node. In existing network, there is a single channel is used in the MAC protocol for communication which is lead for limited throughput. The inadequate throughput can be overcome by introducing multiple channels in the MAC protocol for ad-hoc networks. One of the major challenging issues in the MANET is designing an efficient routing strategy between the multiple channel based on the channel condition. The unique characteristic of ad-hoc network is mobility . The ad-hoc networks use the MAC protocol which is defined by IEEE 802.11. The feature of the MAC protocol is used to coordinate the node in the network and allow to access the shared medium inordered to increase the network performance in multi-channel ad-hoc network. The proposed paper, deal with the multi-channel ad-hoc network to discover which channel is suitable for transmitting the packets among the multiple channel in the network. The proposed Legion Channel(LC) algorithm, allocate the channel to the host “on-demand” style, all the channels in the network act as autonomous, few control packets want to accomplish the channel assignment and the network performance can improve.
Modification of Locus of Control in First and Fifth Graders: A Comparison of Change Techniques

The purpose of this study was to investigate the rel­ ative effectiveness of three training programs on internality in an academic setting and a generalized setting and on reflectivity-impulsivity. The training procedures consisted of behavioral intervention, achievement training, and a combination of the two. The subjects were 48 first and fifth grade children (24 in each grade) from a largely middle-class school. Each of the three treatment groups consisted of four males and four females who were assigned to the groups on the basis of a median split performed on pretest Intellecutal Achievement Responsibility test scores. A group of eight students from each grade served as a control. The total training period lasted for six-weeks, with two 20-minute sessions each week at each grade level. The behavioral intervention training program focussed on students' self analysis of school related behaviors, and a self-constructed behavioral change program. The achievement training program used typical achievement motivation training procedures, including modeling and the use of low-anxiety games, to demonstrate problem solving techniques. The combination program consisted of one behavioral analysis and one achievement training session each week. An immediate posttest and delayed posttest at six weeks were used to assess the effects of the training procedures. For . the first grade subjects, the three treatments were effective in increasing internality, but the combination treatment was the most effective in increasing internality on the IAR for the fifth graders. The changes on the Total I score were greater for the first graders when compared to the control group. The major change component in both grades was the I Minus score 021 which the students increased in their assumption of responsibility for negative events. The mean scores for the Nowicki-Strickland test, the generalized measure of locus of control, indicated that changes towards internality generalized outside the specifically academic environment tested by the IAR. Substantial changes in latency scores on the Matching Familiar Figures Test showed a treatment effect for both grade levels in increasing reflectivity. Overall, the results suggest that internality:in elementary school students can be modified through the use of relatively short-term programs, but such programs seem to be most effective at the lower grades. Elements of these treatment programs might be included in areas of the elementary curriculum. Accepted for the faculty of the Graduate College, University of Nebraska, in partial fulfillment of the requirements for the degree of Master of Arts, University of Nebraska at Omaha* Thesis Committee # Name Department
Out-of-band radiation measure for MIMO arrays with beamformed transmission

The spatial characteristics of the out-of-band radiation that a multiuser MIMO system emits, due to its power amplifiers (modeled by a polynomial model) being nonlinear, are studied by deriving an analytical expression for the continuous-time cross-correlation of the transmit signals. It is shown that, at any spatial point and on any frequency, the received power averaged over many channel realizations from a MIMO base station is the same as from a SISO base station when the two radiate the same amount of power. For a specific channel realization however, the received power can deviate from this average. We show that the deviations from the average are small in a MIMO system with multiple users and that the deviations can be significant with only one user. Using an ergodicity argument, we conclude that out-of-band radiation is less of a problem in massive MIMO, where precoding and array gain let us reduce the total radiated power compared to SISO systems. The requirements on spectral regrowth can therefore be relaxed in MIMO systems without causing more total out-of-band radiation.
Levels of Functional Equivalence in Reverse Bioengineering: The Darwinian Turing Test for Artificial Life

Both Artificial Life and Artificial Mind are branches of what Dennett has called "reverse engineering": Ordinary engineering attempts to build systems to meet certain functional specifications, reverse bioengineering attempts to understand how systems that have already been built by the Blind Watchmaker work. Computational modelling (virtual life) can capture the formal principles of life, perhaps predict and explain it completely, but it can no more be alive than a virtual forest fire can be hot. In itself, a computational model is just an ungrounded symbol system; no matter how closely it matches the properties of what is being modelled, it matches them only formally, with the mediation of an interpretation. Synthetic life is not open to this objection, but it is still an open question how close a functional equivalence is needed in order to capture life. Close enough to fool the Blind Watchmaker is probably close enough, but would that require molecular indistinguishability, and if so, do we really need to go that far?
Leveraging candidate popularity on Twitter to predict election outcome

In recent years, Twitter has become one of the most important modes for social networking and disseminating content on a variety of topics. It has developed into a popular medium for political discourse and social organization during elections. There has been growing body of literature demonstrating the ability to predict the outcome of elections from Twitter data. This works aims to test the predictive power of Twitter in inferring the winning candidate and vote percentages of the candidates in an election. Our prediction is based on the number of times the name of a candidate is mentioned in tweets prior to elections. We develop new methods to augment the counts by counting not only the presence of candidate's official names but also their aliases and commonly appearing names. In addition, we devised a technique to include relevant and filter irrelevant tweets based on predefined set of keywords. Our approach is successful in predicting the winner of all three presidential elections held in Latin America during the months of February through April, 2013.
Do grandparents matter? Intergenerational relationships between the closest grandparents and Malaysian adolescents

ABSTRACT A close connection with a grandparent can interact with an adolescent’s experience of life stressors to increase or decrease their risk for negative outcomes. Traditional filial values may be linked to closer grandparent–grandchildren interactions in Asian cultures, such as Malaysia. This study examined how grandparental involvement and emotional closeness moderated the associations between life stressors and adjustment difficulties among adolescents in Malaysia (n = 643 adolescents). Hierarchical regression analysis showed that greater proximal and distal life stressors were associated with more adjustment difficulties of adolescents. Moreover, emotional closeness with the closest grandparents moderated the association between adolescent distal adversities and adjustment difficulties. Specifically, the contribution of accumulative stress from adverse life events on the risk of adjustment difficulties among adolescents may be alleviated when adolescents perceived high levels of emotional ties with the closest grandparents. These findings suggest that grandparents can directly relate to grandchildren’s adjustment through engaging emotional relationships. Our study shed lights on the interpretation of the contribution of grandparents to adolescent outcomes and the development of adolescents’ resilience in the face of adversity within the Malaysian cultural context.