testing the validity of a computational model

... palms facing downwards, and faced the monitor at a distance of approximately 70 cm The image on the monitor showed a virtual arm in the same orientation and relative position as the real arms, ... http://www.jneuroengrehab.com/content/7/1/57 Page of 13 the analysis The median was chosen instead of the mean as it is more robust to outliners that may have statistically unbalanced the analysis in our relatively ... hemisphere: diagram of the Δ[O2Hb] amplitude changes with standard error of the mean (SEM) and statistical significances of paired t-test are shown perhaps because they are less ‘automatic’ It has been...

Ngày tải lên: 19/06/2014, 08:20

... data were assumed to be the absence of the extra-articular manifestation for pulmonary nodule When radiologic and laboratory data were not available, the data was considered as missing ACR, American ... USA) Statistical analysis To test the convergent validity of RARBIS as a measure of disease severity, the Spearman rank correlation between the RARBIS and the DAS28 was assessed in the total study ... coefficients of a linear regression of all subscales on the DAS28 Results Patients characteristics and the RARBIS score Patient characteristics of the study cohort are summarized in Table The mean age of...

Ngày tải lên: 09/08/2014, 07:20

... convergent validity? The DAS28 is a process measure of disease activity, incorporating clinical status (joint counts and global health) and acute phase reactants [4] Disease activity is associated ... substantial — and not statistical — arguments that favour an increased weight of disease activity (clinical status) in a severity index could that Fundamental considerations rather than statistical inference ... radiographic damage [5] and with surgery [6], both components of the RARBIS Acute phase reactants are also an independent component of the RARBIS It is therefore not surprising at all that the...

Ngày tải lên: 09/08/2014, 07:20

... have a profound impact on early therapy and intervention in these cases The role of early appropriate therapy has become important as inappropriate or delayed therapy leads to higher mortality [8-10] ... of all bacteremia cases), certain high-risk patients have much higher rates approaching 27% as outlined in this study Risk stratification by application of the validated risk model can have a ... candidemia, studies have show that delayed therapy can lead to a higher mortality in hospitalized patients with late candidemia [11] Early identification of these patients therefore becomes paramount...

Ngày tải lên: 13/08/2014, 19:20

... Japanese: An Autosegmental Theory of Tonology Kaitakusha, Tokyo Kaplan, Ronald and Joan Bresnan (1982) Lexical Functional Grammar: A Formal System for Grammatical Representation in The Mental ... Xbar value associated with the major phrase ((~) is Xmax Therefore, a major phrase boundary must appear at the left edge of any maximal projection (9) Mother -~

Ngày tải lên: 09/03/2014, 01:20

... circular PCA algorithm is included in the non-linear PCA software package for MATLAB® available at [28] Data acquisition and preprocessing This analysis is based on microarray data of the P falciparum ... Dd2 at approximately 22 h Additional data file is an animation of the IDC based on gene activities of strain P falciparum HB3 Additional data file is an animation of the IDC based on change of ... following Additional data are available with the online version of this paper Additional data file is a table listing all P falciparum genes included in the circular PCA analysis Additional data file...

Ngày tải lên: 14/08/2014, 08:21

... populations The data was tabulated and analyzed through qualitative analysis of the gathered data, which reveal the behaviors and decision making patterns in lower income populations towards ... behavioral and attitudinal aspects of individuals An in-depth analysis in each of the broad parameters revealed the following: Educational Facet Education plays a vital role in shaping up a personality ... expectations The academia in Pakistan may facilitate the MFIs in producing relevant research work in understanding the broader social paradigms of borrowers, which may actually lead to the success...

Ngày tải lên: 06/09/2013, 05:48

... y, and Θ is the parameter vector The mapping F is thus: F (x) = arg max y∈GEN(x) Φ(x, y) · Θ 4.1 Features Given the small amount of training data available4 , the feature space must be kept small ... vectors of words of a Note that the training set consists of only one xtrain — the Gospel of Luke Luke’s only other book, the Acts of the Apostles, contains few identifiable reused material A targert ... one advocated in (Barzilay and Elhadad, 2003) On the one hand, we perform no paragraph clustering or mapping before sentence alignment Ancient texts are rarely divided into paragraphs, nor are they...

Ngày tải lên: 08/03/2014, 02:21

... advantage of The reason is that too many queries makes the program loses its appeal as a work-saving device A related limitation is that its model of the speaker's goals is static, rather than dynamic ... on each link For every path that reaches an act by satisfying all conditions along the path, add the act to the new message by instantiating the act's text template 4.3 An Alternative To Planning ... variety of other acts, such as issuing a threat In Figure 3, both praising and apologizing are examples of acts that can increase the heater's liking for the speaker, and both apologiMng and thanking...

Ngày tải lên: 08/03/2014, 05:21

... Shore as a storage system Some of the advantages of Polar over most of the mentioned systems are itemized as follows • Use of a standard data model: Polar adopts a standard object data model, the ... Muralikrishna M Gamma a high performance dataflow database machine Proceedings of the International Conference on Very Large Data Bases, Kyoto, Japan, August 1986 Morgan Kaufmann: San Mateo, CA, ... to the worst-case situation for the values chosen The advantage of this approach is the possibility of checking how the variation of D and D affect the performance of materialise An alternative...

Ngày tải lên: 17/03/2014, 00:20

... select any particular aspect of Shakespeare from the relevant individuating set Indeed, he may not care at all how the hearer makes the connection between the name "Shakespeare" and the referent The ... particular aspect of Shakespeare, namely, the fact that he is the author of Othello, and intends the hearer to think of Shakespeare in terms of this aspect In the second statement, the speaker does not ... whereas in the attributive he does not Let us call these the database, the planner, and the utterancegenerator, respectively The next three sections describe a cog- These criteria have been taken...

Ngày tải lên: 31/03/2014, 17:20

... TRICARE, use a variety of health self-reporting surveys to assess the health status of military members and other beneficiaries These questionnaires are used to provide data on the health and healthcare ... healthcare needs of all military healthcare beneficiaries and to target specific health issues For instance, the Health Care Survey of DoD Beneficiaries [8] assesses a broad range of healthcare ... respondents to rate their overall health An implicit assumption of this item is that an individual's self-assessment of overall health provides a valid representation of the individual's health status [1]...

Ngày tải lên: 20/06/2014, 15:20

... AB−1     + ka,apoB for d < d a ,apoE ka,liver(d) = ka,apoB Where k a ,liver max is the maximum liver attachment rate, k a ,apoB is the apoB-related liver attachment rate, d a ,apoE is the ... minimum particle size at which apoE-related liver attachment takes place, and A and B are shape parameters -6- The model specifies that once a particle has been attached it is either directly taken ... to be at steady state and excluded from the dataset A summary of the data used for the analysis can be found in Table Since all these studies contain lipoprotein flux data, the number of subjects...

Ngày tải lên: 10/08/2014, 09:22

... salary from an organization that may in any way gain or lose financially from the publication of this manuscript - They doesn’t hold any stocks or shares in an organization that may in any way ... name of suicide attempter, the signature of the physician who included the patient, and the logo of the hospital where the patient was originally treated The cards include the phone numbers of the ... kind of study, the data may be biased by an excessive number of patients included and lost of contact To limit this bias and improve the data quality, the participants remained lost of contact...

Ngày tải lên: 11/08/2014, 16:22

... baseline values of an outcome measure as the covariate It is assumed (conservatively) that the covariate would explain 5% of the variance in the dependent variable Based on previous research at ... the amount of missing values is substantial Safety and supervision The research assistant received training in the administration of the measures and in the assessment of suicide risk The research ... would be able to detect a small effect size of 0.21 with a significance level of 0.05 and power of 0.8 The actual sample size (n = 165) has made only a small change to the power calculation - the...

Ngày tải lên: 11/08/2014, 17:20

... participated in the design of the study and performed the statistical analysis JB conceived of the study, participated in the design and coordination and drafted the manuscript All authors read and approved ... indicates a better health status The total score is the sum of the scores of the three domains (varying to 7) The LCQ already has been validated in English and has also been used in at least one other ... the patient's perception and there is lack of well-validated reliable objective alternative parameters that are commercially available to quantify the burden of chronic cough Responsiveness The...

Ngày tải lên: 13/08/2014, 08:20

... investigate the statistical properties of the model Model Mathematical Modeling of Circadian Rhythms In all organisms studied so far, circadian rhythms that allow adaptation to a periodically changing ... natural population, taking the heritability of the assumed QTL as H2 = 0.4 The numbers in parentheses are the square roots of the mean square errors of the MLEs Rhythmic Parameters AA Aa aa Given ... population, taking the heritability of the assumed QTL as H2 = 0.1 The numbers in parentheses are the square roots of the mean square errors of the MLEs Rhythmic Parameters AA Aa aa Given n m...

Ngày tải lên: 13/08/2014, 16:21

... repeats are apparently translated to form poly-asparagine, which makes up a substantial fraction of some proteins The description of the whole genome allows the large scale of these repeats in ... amoeba whose genome has recently been sequenced [5] Entamoeba is an intestinal parasite of mammals, causing diseases such as amoebic dysentery - an antisocial amoeba to Dictyostelium’s social amoeba, ... from the animal lineage before fungi and yeasts, but after plants From the point of view of its use as a model organism, the evolutionary distance between Dictyostelium and human is actually...

Ngày tải lên: 14/08/2014, 14:21

... frontal and parietal areas that bridges between the other levels in a principled way The model has been evaluated against behavioral data collected from normal young adults, behavioral data collected ... source of variation between participants, enabling precise calculation of the computational demand of each problem and, when a constrained presentation paradigm is adopted, of each move The casualty ... They define a space of 48 model variants that are evaluated against the data The result of interest is not best-fitting values for the model s free parameters Rather, it is guidance on four of...

Ngày tải lên: 13/11/2014, 10:58

... in the pie chart above From the chart, we can reckon that, the teachers place the highest percentage on grammar and vocabulary usage; 31 percent suppose that the grammar and vocabulary test can ... processes of language acquisition and language teaching.” (1990:3) For the use of language tests in education program, he said that, the fundamental use of testing in an educational program is to ... empirical criterion related validity. ” (Henning, 1987) The validity is based on the collected data and formulas applied to generate an actual numerical validity coefficient Of course, the validity...

Ngày tải lên: 28/03/2015, 08:52